v8
3.25.30(node0.11.13)
V8 is Google's open source JavaScript engine
|
Go to the source code of this file.
Data Structures | |
struct | JSArguments |
struct | MaybeBoolFlag |
Namespaces | |
v8 | |
v8::internal | |
Macros | |
#define | FLAG_MODE_DECLARE |
Functions | |
DEFINE_bool (use_strict, false,"enforce strict mode") DEFINE_bool(es_staging | |
enable upcoming ES6 features | DEFINE_bool (harmony_typeof, false,"enable harmony semantics for typeof") DEFINE_bool(harmony_scoping |
enable upcoming ES6 features enable harmony block scoping | DEFINE_bool (harmony_modules, false,"enable harmony modules (implies block scoping)") DEFINE_bool(harmony_symbols |
enable upcoming ES6 features enable harmony block scoping enable harmony | symbols (a.k.a.private names)") DEFINE_bool(harmony_proxies |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies | DEFINE_bool (harmony_collections, false,"enable harmony collections (sets, maps)") DEFINE_bool(harmony_generators |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators | DEFINE_bool (harmony_iteration, false,"enable harmony iteration (for-of)") DEFINE_bool(harmony_numeric_literals |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric | literals (0o77, 0b11)") DEFINE_bool(harmony_strings |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string | DEFINE_bool (harmony_arrays, false,"enable harmony arrays") DEFINE_bool(harmony_maths |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions | DEFINE_bool (harmony, false,"enable all harmony features (except typeof)") DEFINE_implication(harmony |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping | DEFINE_implication (harmony, harmony_modules) DEFINE_implication(harmony |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols | DEFINE_implication (harmony, harmony_proxies) DEFINE_implication(harmony |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections | DEFINE_implication (harmony, harmony_generators) DEFINE_implication(harmony |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration | DEFINE_implication (harmony, harmony_numeric_literals) DEFINE_implication(harmony |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings | DEFINE_implication (harmony, harmony_arrays) DEFINE_implication(harmony_modules |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping | DEFINE_implication (harmony, es_staging) DEFINE_implication(es_staging |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths | DEFINE_bool (packed_arrays, true,"optimizes arrays that have no holes") DEFINE_bool(smi_only_arrays |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values | DEFINE_bool (compiled_keyed_dictionary_loads, true,"use optimizing compiler to generate keyed dictionary load stubs") DEFINE_bool(clever_optimizations |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string | DEFINE_bool (pretenuring, true,"allocate objects in old space") DEFINE_bool(pretenuring_call_new |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new | DEFINE_bool (allocation_site_pretenuring, true,"pretenure with allocation sites") DEFINE_bool(trace_pretenuring |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions | DEFINE_bool (trace_pretenuring_statistics, false,"trace allocation site pretenuring statistics") DEFINE_bool(track_fields |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values | DEFINE_bool (track_double_fields, true,"track fields with double values") DEFINE_bool(track_heap_object_fields |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values | DEFINE_bool (track_computed_fields, true,"track computed boilerplate fields") DEFINE_implication(track_double_fields |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields | DEFINE_implication (track_heap_object_fields, track_fields) DEFINE_implication(track_computed_fields |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields | DEFINE_bool (smi_binop, true,"support smi representation in binary operations") DEFINE_bool(optimize_for_size |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed | DEFINE_bool (unbox_double_arrays, true,"automatically unbox arrays of doubles") DEFINE_bool(string_slices |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices | DEFINE_bool (crankshaft, true,"use crankshaft") DEFINE_string(hydrogen_filter |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter | DEFINE_bool (use_gvn, true,"use hydrogen global value numbering") DEFINE_int(gvn_iterations |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations | DEFINE_bool (use_canonicalizing, true,"use hydrogen instruction canonicalizing") DEFINE_bool(use_inlining |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining | DEFINE_bool (use_escape_analysis, true,"use hydrogen escape analysis") DEFINE_bool(use_allocation_folding |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding | DEFINE_bool (use_local_allocation_folding, false,"only fold in basic blocks") DEFINE_bool(use_write_barrier_elimination |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code | DEFINE_int (max_inlining_levels, 5,"maximum number of inlining levels") DEFINE_int(max_inlined_source_size |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining | DEFINE_int (max_inlined_nodes, 196,"maximum number of AST nodes considered for a single inlining") DEFINE_int(max_inlined_nodes_cumulative |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining | DEFINE_bool (loop_invariant_code_motion, true,"loop invariant code motion") DEFINE_bool(fast_math |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining | faster (but maybe less accurate) math functions") DEFINE_bool(collect_megamorphic_maps_from_stub_cache |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache | DEFINE_bool (hydrogen_stats, false,"print statistics for hydrogen") DEFINE_bool(trace_check_elimination |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase | DEFINE_bool (trace_hydrogen, false,"trace generated hydrogen to file") DEFINE_string(trace_hydrogen_filter |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter | DEFINE_bool (trace_hydrogen_stubs, false,"trace generated hydrogen for stubs") DEFINE_string(trace_hydrogen_file |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name | DEFINE_string (trace_phase,"HLZ","trace generated IR for specified phases") DEFINE_bool(trace_inlining |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions | DEFINE_bool (trace_load_elimination, false,"trace load elimination") DEFINE_bool(trace_store_elimination |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination | DEFINE_bool (trace_alloc, false,"trace register allocator") DEFINE_bool(trace_all_uses |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions | DEFINE_bool (trace_range, false,"trace range analysis") DEFINE_bool(trace_gvn |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering | DEFINE_bool (trace_representation, false,"trace representation types") DEFINE_bool(trace_escape_analysis |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis | DEFINE_bool (trace_allocation_folding, false,"trace allocation folding") DEFINE_bool(trace_track_allocation_sites |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites | DEFINE_bool (trace_migration, false,"trace object migration") DEFINE_bool(trace_generalization |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization | DEFINE_bool (stress_pointer_maps, false,"pointer map for every instruction") DEFINE_bool(stress_environments |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction | DEFINE_int (deopt_every_n_times, 0,"deoptimize every n times a deopt point is passed") DEFINE_int(deopt_every_n_garbage_collections |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections | DEFINE_bool (print_deopt_stress, false,"print number of possible deopt points") DEFINE_bool(trap_on_deopt |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing | DEFINE_bool (trap_on_stub_deopt, false,"put a break point before deoptimizing a stub") DEFINE_bool(deoptimize_uncommon_cases |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases | DEFINE_bool (polymorphic_inlining, true,"polymorphic inlining") DEFINE_bool(use_osr |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement | DEFINE_bool (array_bounds_checks_elimination, true,"perform array bounds checks elimination") DEFINE_bool(trace_bce |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination | DEFINE_bool (array_bounds_checks_hoisting, false,"perform array bounds checks hoisting") DEFINE_bool(array_index_dehoisting |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting | DEFINE_bool (analyze_environment_liveness, true,"analyze liveness of environment slots and zap dead values") DEFINE_bool(load_elimination |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination | DEFINE_bool (check_elimination, true,"use check elimination") DEFINE_bool(store_elimination |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination | DEFINE_bool (dead_code_elimination, true,"use dead code elimination") DEFINE_bool(fold_constants |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding | DEFINE_bool (trace_dead_code_elimination, false,"trace dead code elimination") DEFINE_bool(unreachable_code_elimination |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code | DEFINE_bool (trace_osr, false,"trace on-stack replacement") DEFINE_int(stress_runs |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs | DEFINE_bool (optimize_closures, true,"optimize closures") DEFINE_bool(lookup_sample_by_shared |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself | DEFINE_bool (cache_optimized_code, true,"cache optimized code for closures") DEFINE_bool(flush_optimized_code_cache |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC | DEFINE_bool (inline_construct, true,"inline constructor calls") DEFINE_bool(inline_arguments |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object | DEFINE_bool (inline_accessors, true,"inline JavaScript accessors") DEFINE_int(escape_analysis_iterations |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations | DEFINE_bool (optimize_for_in, true,"optimize functions containing for-in loops") DEFINE_bool(opt_safe_uint32_operations |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations | DEFINE_bool (concurrent_recompilation, true,"optimizing hot functions asynchronously on a separate thread") DEFINE_bool(trace_concurrent_recompilation |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation | DEFINE_int (concurrent_recompilation_queue_length, 8,"the length of the concurrent compilation queue") DEFINE_int(concurrent_recompilation_delay |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms | DEFINE_bool (block_concurrent_recompilation, false,"block queued jobs until released") DEFINE_bool(concurrent_osr |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement | DEFINE_implication (concurrent_osr, concurrent_recompilation) DEFINE_bool(omit_map_checks_for_leaf_maps |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes | DEFINE_int (typed_array_max_size_in_heap, 64,"threshold for in-heap typed array") DEFINE_int(frame_count |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler | DEFINE_int (interrupt_budget, 0x1800,"execution budget before interrupt is triggered") DEFINE_int(type_info_threshold |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization | DEFINE_int (self_opt_count, 130,"call count before self-optimization") DEFINE_bool(trace_opt_verbose |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing | DEFINE_implication (trace_opt_verbose, trace_opt) DEFINE_bool(debug_code |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra | code (assertions) for debugging") DEFINE_bool(code_comments |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly | DEFINE_bool (enable_sse2, true,"enable use of SSE2 instructions if available") DEFINE_bool(enable_sse3 |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available | DEFINE_bool (enable_sse4_1, true,"enable use of SSE4.1 instructions if available") DEFINE_bool(enable_cmov |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available | DEFINE_bool (enable_sahf, true,"enable use of SAHF instruction if available (X64 only)") DEFINE_bool(enable_vfp3 |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available | DEFINE_bool (enable_armv7, ENABLE_ARMV7_DEFAULT,"enable use of ARMv7 instructions if available (ARM only)") DEFINE_bool(enable_neon |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if | available (ARM only)") DEFINE_bool(enable_sudiv |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction | pairs (ARM only)") DEFINE_bool(enable_unaligned_accesses |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for | ARMv7 (ARM only)") DEFINE_bool(enable_32dregs |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 | DEFINE_bool (enable_vldr_imm, false,"enable use of constant pools for double immediate (ARM only)") DEFINE_bool(force_long_branches |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long | mode (MIPS only)") DEFINE_string(expose_natives_as |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object | DEFINE_string (expose_debug_as, NULL,"expose debug in global object") DEFINE_bool(expose_free_buffer |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension | DEFINE_bool (expose_gc, false,"expose gc extension") DEFINE_string(expose_gc_as |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name | DEFINE_implication (expose_gc_as, expose_gc) DEFINE_bool(expose_externalize_string |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension | DEFINE_bool (expose_trigger_failure, false,"expose trigger-failure extension") DEFINE_int(stack_trace_limit |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture | DEFINE_bool (builtins_in_stack_traces, false,"show built-in functions in stack traces") DEFINE_bool(disable_native_files |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files | DEFINE_bool (inline_new, true,"use fast inline allocation") DEFINE_bool(trace_codegen |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated | DEFINE_bool (trace, false,"trace function calls") DEFINE_bool(mask_constants_with_cookie |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants | DEFINE_bool (lazy, true,"use lazy compilation") DEFINE_bool(trace_opt |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization | DEFINE_bool (trace_opt_stats, false,"trace lazy optimization statistics") DEFINE_bool(opt |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations | DEFINE_bool (always_opt, false,"always try to optimize functions") DEFINE_bool(always_osr |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions | DEFINE_bool (prepare_always_opt, false,"prepare for turning on always opt") DEFINE_bool(trace_deopt |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization | DEFINE_bool (trace_stub_failures, false,"trace deoptimization of generated code stubs") DEFINE_int(min_preparse_length |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing | DEFINE_bool (always_full_compiler, false,"try to use the dedicated run-once backend for all code") DEFINE_int(max_opt_count |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up | DEFINE_bool (compilation_cache, true,"enable compilation cache") DEFINE_bool(cache_prototype_transitions |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions | DEFINE_int (cpu_profiler_sampling_interval, 1000,"CPU profiler sampling interval in microseconds") DEFINE_bool(trace_debug_json |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response | DEFINE_bool (trace_js_array_abuse, false,"trace out-of-bounds accesses to JS arrays") DEFINE_bool(trace_external_array_abuse |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays | DEFINE_bool (trace_array_abuse, false,"trace out-of-bounds accesses to all arrays") DEFINE_implication(trace_array_abuse |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse | DEFINE_implication (trace_array_abuse, trace_external_array_abuse) DEFINE_bool(debugger_auto_break |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue | DEFINE_bool (enable_liveedit, true,"enable liveedit experimental feature") DEFINE_bool(hard_abort |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing | DEFINE_int (stack_size, kPointerSize *123,"default size of stack region v8 is allowed to use (in kBytes)") DEFINE_int(max_stack_trace_source_length |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace | DEFINE_bool (always_inline_smi_code, false,"always inline smi code in non-opt code") DEFINE_int(max_new_space_size |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new | generation (in kBytes)") DEFINE_int(max_old_space_size |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable | memory (in Mbytes)") DEFINE_bool(gc_global |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs | DEFINE_int (gc_interval,-1,"garbage collect after <n> allocations") DEFINE_bool(trace_gc |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection | DEFINE_bool (trace_gc_nvp, false,"print one detailed trace line in name=value format ""after each garbage collection") DEFINE_bool(trace_gc_ignore_scavenger |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection | DEFINE_bool (print_cumulative_gc_stat, false,"print cumulative GC statistics in name=value format on exit") DEFINE_bool(print_max_heap_committed |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers | DEFINE_bool (log_colour, true,"When logging, try to use coloured output.") DEFINE_bool(ignore_asm_unimplemented_break |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros | DEFINE_bool (trace_sim_messages, false,"Trace simulator debug messages. Implied by --trace-sim.") DEFINE_bool(stack_trace_on_illegal |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown | DEFINE_bool (abort_on_uncaught_exception, false,"abort program (dump core) when an uncaught exception is thrown") DEFINE_bool(randomize_hashes |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash | collisions (with snapshots this option cannot override the baked-in seed)") DEFINE_int(hash_seed |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property | keys (0 means random)" "(with snapshots this option cannot override the baked-in seed)") DEFINE_bool(profile_deserialization |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot | DEFINE_bool (regexp_optimization, true,"generate optimized regexp code") DEFINE_bool(testing_bool_flag |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag | DEFINE_maybe_bool (testing_maybe_bool_flag,"testing_maybe_bool_flag") DEFINE_int(testing_int_flag |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag | DEFINE_float (testing_float_flag, 2.5,"float-flag") DEFINE_string(testing_string_flag |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag | DEFINE_int (testing_prng_seed, 42,"Seed used for threading test randomness") DEFINE_string(testing_serialization_file |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap | DEFINE_string (extra_code, NULL,"A filename with extra code to be included in"" the snapshot (mksnapshot only)") DEFINE_bool(profile_hydrogen_code_stub_compilation |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs | DEFINE_bool (predictable, false,"enable predictable mode") DEFINE_neg_implication(predictable |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation | DEFINE_neg_implication (predictable, concurrent_osr) DEFINE_neg_implication(predictable |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping | DEFINE_neg_implication (predictable, parallel_sweeping) DEFINE_bool(help |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console | DEFINE_bool (dump_counters, false,"Dump counters on exit") DEFINE_string(map_counters |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console Map counters to a file | DEFINE_args (js_arguments,"Pass all remaining arguments to the script. Alias for \"--\".") DEFINE_bool(debug_compile_events |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console Map counters to a file Enable debugger compile events | DEFINE_bool (debug_script_collected_events, true,"Enable debugger script collected events") DEFINE_bool(gdbjit |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console Map counters to a file Enable debugger compile events enable GDBJIT | interface (disables compacting GC)") DEFINE_bool(gdbjit_full |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console Map counters to a file Enable debugger compile events enable GDBJIT enable GDBJIT interface for all code objects | DEFINE_bool (gdbjit_dump, false,"dump elf objects with debug info to disk") DEFINE_string(gdbjit_dump_filter |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console Map counters to a file Enable debugger compile events enable GDBJIT enable GDBJIT interface for all code objects dump only objects containing this substring | DEFINE_bool (force_marking_deque_overflows, false,"force overflows of marking deque by reducing it's size ""to 64 words") DEFINE_bool(stress_compaction |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console Map counters to a file Enable debugger compile events enable GDBJIT enable GDBJIT interface for all code objects dump only objects containing this substring stress the GC compactor to flush out | bugs (implies" "--force_marking_deque_overflows)") DEFINE_bool(print_source |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console Map counters to a file Enable debugger compile events enable GDBJIT enable GDBJIT interface for all code objects dump only objects containing this substring stress the GC compactor to flush out pretty print source code | DEFINE_bool (print_builtin_source, false,"pretty print source code for builtins") DEFINE_bool(print_ast |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console Map counters to a file Enable debugger compile events enable GDBJIT enable GDBJIT interface for all code objects dump only objects containing this substring stress the GC compactor to flush out pretty print source code print source AST | DEFINE_bool (print_builtin_ast, false,"print source AST for builtins") DEFINE_string(stop_at |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console Map counters to a file Enable debugger compile events enable GDBJIT enable GDBJIT interface for all code objects dump only objects containing this substring stress the GC compactor to flush out pretty print source code print source AST function name where to insert a breakpoint | DEFINE_bool (trap_on_abort, false,"replace aborts by breakpoints") DEFINE_bool(print_builtin_scopes |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console Map counters to a file Enable debugger compile events enable GDBJIT enable GDBJIT interface for all code objects dump only objects containing this substring stress the GC compactor to flush out pretty print source code print source AST function name where to insert a breakpoint print scopes for builtins | DEFINE_bool (print_scopes, false,"print scopes") DEFINE_bool(trace_contexts |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console Map counters to a file Enable debugger compile events enable GDBJIT enable GDBJIT interface for all code objects dump only objects containing this substring stress the GC compactor to flush out pretty print source code print source AST function name where to insert a breakpoint print scopes for builtins trace contexts operations | DEFINE_bool (gc_greedy, false,"perform GC prior to some allocations") DEFINE_bool(gc_verbose |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console Map counters to a file Enable debugger compile events enable GDBJIT enable GDBJIT interface for all code objects dump only objects containing this substring stress the GC compactor to flush out pretty print source code print source AST function name where to insert a breakpoint print scopes for builtins trace contexts operations print stuff during garbage collection | DEFINE_bool (heap_stats, false,"report heap statistics before and after GC") DEFINE_bool(code_stats |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console Map counters to a file Enable debugger compile events enable GDBJIT enable GDBJIT interface for all code objects dump only objects containing this substring stress the GC compactor to flush out pretty print source code print source AST function name where to insert a breakpoint print scopes for builtins trace contexts operations print stuff during garbage collection report code statistics after GC | DEFINE_bool (verify_native_context_separation, false,"verify that code holds on to at most one native context after GC") DEFINE_bool(print_handles |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console Map counters to a file Enable debugger compile events enable GDBJIT enable GDBJIT interface for all code objects dump only objects containing this substring stress the GC compactor to flush out pretty print source code print source AST function name where to insert a breakpoint print scopes for builtins trace contexts operations print stuff during garbage collection report code statistics after GC report handles after GC | DEFINE_bool (print_global_handles, false,"report global handles after GC") DEFINE_bool(trace_ic |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console Map counters to a file Enable debugger compile events enable GDBJIT enable GDBJIT interface for all code objects dump only objects containing this substring stress the GC compactor to flush out pretty print source code print source AST function name where to insert a breakpoint print scopes for builtins trace contexts operations print stuff during garbage collection report code statistics after GC report handles after GC trace cache state transitions | DEFINE_bool (print_interfaces, false,"print interfaces") DEFINE_bool(print_interface_details |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console Map counters to a file Enable debugger compile events enable GDBJIT enable GDBJIT interface for all code objects dump only objects containing this substring stress the GC compactor to flush out pretty print source code print source AST function name where to insert a breakpoint print scopes for builtins trace contexts operations print stuff during garbage collection report code statistics after GC report handles after GC trace cache state transitions print interface inference details | DEFINE_int (print_interface_depth, 5,"depth for printing interfaces") DEFINE_bool(trace_normalization |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console Map counters to a file Enable debugger compile events enable GDBJIT enable GDBJIT interface for all code objects dump only objects containing this substring stress the GC compactor to flush out pretty print source code print source AST function name where to insert a breakpoint print scopes for builtins trace contexts operations print stuff during garbage collection report code statistics after GC report handles after GC trace cache state transitions print interface inference details prints when objects are turned into dictionaries | DEFINE_bool (trace_lazy, false,"trace lazy compilation") DEFINE_bool(collect_heap_spill_statistics |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console Map counters to a file Enable debugger compile events enable GDBJIT enable GDBJIT interface for all code objects dump only objects containing this substring stress the GC compactor to flush out pretty print source code print source AST function name where to insert a breakpoint print scopes for builtins trace contexts operations print stuff during garbage collection report code statistics after GC report handles after GC trace cache state transitions print interface inference details prints when objects are turned into dictionaries report heap spill statistics along with | heap_stats (requires heap_stats)") DEFINE_bool(trace_isolates |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console Map counters to a file Enable debugger compile events enable GDBJIT enable GDBJIT interface for all code objects dump only objects containing this substring stress the GC compactor to flush out pretty print source code print source AST function name where to insert a breakpoint print scopes for builtins trace contexts operations print stuff during garbage collection report code statistics after GC report handles after GC trace cache state transitions print interface inference details prints when objects are turned into dictionaries report heap spill statistics along with trace isolate state changes | DEFINE_bool (regexp_possessive_quantifier, false,"enable possessive quantifier syntax for testing") DEFINE_bool(trace_regexp_bytecodes |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console Map counters to a file Enable debugger compile events enable GDBJIT enable GDBJIT interface for all code objects dump only objects containing this substring stress the GC compactor to flush out pretty print source code print source AST function name where to insert a breakpoint print scopes for builtins trace contexts operations print stuff during garbage collection report code statistics after GC report handles after GC trace cache state transitions print interface inference details prints when objects are turned into dictionaries report heap spill statistics along with trace isolate state changes trace regexp bytecode execution | DEFINE_bool (trace_regexp_assembler, false,"trace regexp macro assembler calls.") DEFINE_bool(log |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console Map counters to a file Enable debugger compile events enable GDBJIT enable GDBJIT interface for all code objects dump only objects containing this substring stress the GC compactor to flush out pretty print source code print source AST function name where to insert a breakpoint print scopes for builtins trace contexts operations print stuff during garbage collection report code statistics after GC report handles after GC trace cache state transitions print interface inference details prints when objects are turned into dictionaries report heap spill statistics along with trace isolate state changes trace regexp bytecode execution Minimal | logging (no API, code, GC, suspect, or handles samples).") DEFINE_bool(log_all |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console Map counters to a file Enable debugger compile events enable GDBJIT enable GDBJIT interface for all code objects dump only objects containing this substring stress the GC compactor to flush out pretty print source code print source AST function name where to insert a breakpoint print scopes for builtins trace contexts operations print stuff during garbage collection report code statistics after GC report handles after GC trace cache state transitions print interface inference details prints when objects are turned into dictionaries report heap spill statistics along with trace isolate state changes trace regexp bytecode execution Minimal Log all events to the log file | DEFINE_bool (log_runtime, false,"Activate runtime system %Log call.") DEFINE_bool(log_api |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console Map counters to a file Enable debugger compile events enable GDBJIT enable GDBJIT interface for all code objects dump only objects containing this substring stress the GC compactor to flush out pretty print source code print source AST function name where to insert a breakpoint print scopes for builtins trace contexts operations print stuff during garbage collection report code statistics after GC report handles after GC trace cache state transitions print interface inference details prints when objects are turned into dictionaries report heap spill statistics along with trace isolate state changes trace regexp bytecode execution Minimal Log all events to the log file Log API events to the log file | DEFINE_bool (log_code, false,"Log code events to the log file without profiling.") DEFINE_bool(log_gc |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console Map counters to a file Enable debugger compile events enable GDBJIT enable GDBJIT interface for all code objects dump only objects containing this substring stress the GC compactor to flush out pretty print source code print source AST function name where to insert a breakpoint print scopes for builtins trace contexts operations print stuff during garbage collection report code statistics after GC report handles after GC trace cache state transitions print interface inference details prints when objects are turned into dictionaries report heap spill statistics along with trace isolate state changes trace regexp bytecode execution Minimal Log all events to the log file Log API events to the log file Log heap samples on garbage collection for the hp2ps tool | DEFINE_bool (log_handles, false,"Log global handle events.") DEFINE_bool(log_snapshot_positions |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console Map counters to a file Enable debugger compile events enable GDBJIT enable GDBJIT interface for all code objects dump only objects containing this substring stress the GC compactor to flush out pretty print source code print source AST function name where to insert a breakpoint print scopes for builtins trace contexts operations print stuff during garbage collection report code statistics after GC report handles after GC trace cache state transitions print interface inference details prints when objects are turned into dictionaries report heap spill statistics along with trace isolate state changes trace regexp bytecode execution Minimal Log all events to the log file Log API events to the log file Log heap samples on garbage collection for the hp2ps tool log positions | of (de) serialized objects in the snapshot.") DEFINE_bool(log_suspect |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console Map counters to a file Enable debugger compile events enable GDBJIT enable GDBJIT interface for all code objects dump only objects containing this substring stress the GC compactor to flush out pretty print source code print source AST function name where to insert a breakpoint print scopes for builtins trace contexts operations print stuff during garbage collection report code statistics after GC report handles after GC trace cache state transitions print interface inference details prints when objects are turned into dictionaries report heap spill statistics along with trace isolate state changes trace regexp bytecode execution Minimal Log all events to the log file Log API events to the log file Log heap samples on garbage collection for the hp2ps tool log positions Log suspect operations | DEFINE_bool (prof, false,"Log statistical profiling information (implies --log-code).") DEFINE_bool(prof_browser_mode |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console Map counters to a file Enable debugger compile events enable GDBJIT enable GDBJIT interface for all code objects dump only objects containing this substring stress the GC compactor to flush out pretty print source code print source AST function name where to insert a breakpoint print scopes for builtins trace contexts operations print stuff during garbage collection report code statistics after GC report handles after GC trace cache state transitions print interface inference details prints when objects are turned into dictionaries report heap spill statistics along with trace isolate state changes trace regexp bytecode execution Minimal Log all events to the log file Log API events to the log file Log heap samples on garbage collection for the hp2ps tool log positions Log suspect operations Used with turns on browser compatible mode for profiling | DEFINE_bool (log_regexp, false,"Log regular expression execution.") DEFINE_string(logfile |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console Map counters to a file Enable debugger compile events enable GDBJIT enable GDBJIT interface for all code objects dump only objects containing this substring stress the GC compactor to flush out pretty print source code print source AST function name where to insert a breakpoint print scopes for builtins trace contexts operations print stuff during garbage collection report code statistics after GC report handles after GC trace cache state transitions print interface inference details prints when objects are turned into dictionaries report heap spill statistics along with trace isolate state changes trace regexp bytecode execution Minimal Log all events to the log file Log API events to the log file Log heap samples on garbage collection for the hp2ps tool log positions Log suspect operations Used with turns on browser compatible mode for profiling v8 Specify the name of the log file | DEFINE_bool (logfile_per_isolate, true,"Separate log files for each isolate.") DEFINE_bool(ll_prof |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console Map counters to a file Enable debugger compile events enable GDBJIT enable GDBJIT interface for all code objects dump only objects containing this substring stress the GC compactor to flush out pretty print source code print source AST function name where to insert a breakpoint print scopes for builtins trace contexts operations print stuff during garbage collection report code statistics after GC report handles after GC trace cache state transitions print interface inference details prints when objects are turned into dictionaries report heap spill statistics along with trace isolate state changes trace regexp bytecode execution Minimal Log all events to the log file Log API events to the log file Log heap samples on garbage collection for the hp2ps tool log positions Log suspect operations Used with turns on browser compatible mode for profiling v8 Specify the name of the log file Enable low level linux profiler | DEFINE_bool (perf_basic_prof, false,"Enable perf linux profiler (basic support).") DEFINE_bool(perf_jit_prof |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console Map counters to a file Enable debugger compile events enable GDBJIT enable GDBJIT interface for all code objects dump only objects containing this substring stress the GC compactor to flush out pretty print source code print source AST function name where to insert a breakpoint print scopes for builtins trace contexts operations print stuff during garbage collection report code statistics after GC report handles after GC trace cache state transitions print interface inference details prints when objects are turned into dictionaries report heap spill statistics along with trace isolate state changes trace regexp bytecode execution Minimal Log all events to the log file Log API events to the log file Log heap samples on garbage collection for the hp2ps tool log positions Log suspect operations Used with turns on browser compatible mode for profiling v8 Specify the name of the log file Enable low level linux profiler Enable perf linux | profiler (experimental annotate support).") DEFINE_string(gc_fake_mmap |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console Map counters to a file Enable debugger compile events enable GDBJIT enable GDBJIT interface for all code objects dump only objects containing this substring stress the GC compactor to flush out pretty print source code print source AST function name where to insert a breakpoint print scopes for builtins trace contexts operations print stuff during garbage collection report code statistics after GC report handles after GC trace cache state transitions print interface inference details prints when objects are turned into dictionaries report heap spill statistics along with trace isolate state changes trace regexp bytecode execution Minimal Log all events to the log file Log API events to the log file Log heap samples on garbage collection for the hp2ps tool log positions Log suspect operations Used with turns on browser compatible mode for profiling v8 Specify the name of the log file Enable low level linux profiler Enable perf linux tmp Specify the name of the file for fake gc mmap used in ll_prof | DEFINE_bool (log_internal_timer_events, false,"Time internal events.") DEFINE_bool(log_timer_events |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console Map counters to a file Enable debugger compile events enable GDBJIT enable GDBJIT interface for all code objects dump only objects containing this substring stress the GC compactor to flush out pretty print source code print source AST function name where to insert a breakpoint print scopes for builtins trace contexts operations print stuff during garbage collection report code statistics after GC report handles after GC trace cache state transitions print interface inference details prints when objects are turned into dictionaries report heap spill statistics along with trace isolate state changes trace regexp bytecode execution Minimal Log all events to the log file Log API events to the log file Log heap samples on garbage collection for the hp2ps tool log positions Log suspect operations Used with turns on browser compatible mode for profiling v8 Specify the name of the log file Enable low level linux profiler Enable perf linux tmp Specify the name of the file for fake gc mmap used in ll_prof Time events including external callbacks | DEFINE_implication (log_timer_events, log_internal_timer_events) DEFINE_implication(log_internal_timer_events |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console Map counters to a file Enable debugger compile events enable GDBJIT enable GDBJIT interface for all code objects dump only objects containing this substring stress the GC compactor to flush out pretty print source code print source AST function name where to insert a breakpoint print scopes for builtins trace contexts operations print stuff during garbage collection report code statistics after GC report handles after GC trace cache state transitions print interface inference details prints when objects are turned into dictionaries report heap spill statistics along with trace isolate state changes trace regexp bytecode execution Minimal Log all events to the log file Log API events to the log file Log heap samples on garbage collection for the hp2ps tool log positions Log suspect operations Used with turns on browser compatible mode for profiling v8 Specify the name of the log file Enable low level linux profiler Enable perf linux tmp Specify the name of the file for fake gc mmap used in ll_prof Time events including external callbacks prof | DEFINE_bool (log_instruction_stats, false,"Log AArch64 instruction statistics.") DEFINE_string(log_instruction_file |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console Map counters to a file Enable debugger compile events enable GDBJIT enable GDBJIT interface for all code objects dump only objects containing this substring stress the GC compactor to flush out pretty print source code print source AST function name where to insert a breakpoint print scopes for builtins trace contexts operations print stuff during garbage collection report code statistics after GC report handles after GC trace cache state transitions print interface inference details prints when objects are turned into dictionaries report heap spill statistics along with trace isolate state changes trace regexp bytecode execution Minimal Log all events to the log file Log API events to the log file Log heap samples on garbage collection for the hp2ps tool log positions Log suspect operations Used with turns on browser compatible mode for profiling v8 Specify the name of the log file Enable low level linux profiler Enable perf linux tmp Specify the name of the file for fake gc mmap used in ll_prof Time events including external callbacks prof arm64_inst AArch64 instruction statistics log file | DEFINE_int (log_instruction_period, 1<< 22,"AArch64 instruction statistics logging period.") DEFINE_bool(redirect_code_traces |
enable upcoming ES6 features enable harmony block scoping enable harmony enable harmony proxies enable harmony generators enable harmony numeric enable harmony string enable harmony math functions harmony_scoping harmony_symbols harmony_collections harmony_iteration harmony_strings harmony_scoping harmony_maths tracks arrays with only smi values Optimize object Array DOM strings and string pretenure call new trace pretenuring decisions of HAllocate instructions track fields with only smi values track fields with heap values track_fields track_fields Enables optimizations which favor memory size over execution speed use string slices optimization filter maximum number of GVN fix point iterations use function inlining use allocation folding eliminate write barriers targeting allocations in optimized code maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining crankshaft harvests type feedback from stub cache trace check elimination phase hydrogen tracing filter trace hydrogen to given file name trace inlining decisions trace store elimination trace all use positions trace global value numbering trace hydrogen escape analysis trace the tracking of allocation sites trace map generalization environment for every instruction deoptimize every n garbage collections put a break point before deoptimizing deoptimize uncommon cases use on stack replacement trace array bounds check elimination perform array index dehoisting use load elimination use store elimination use constant folding eliminate unreachable code number of stress runs when picking a function to watch for shared function not JSFunction itself flushes the cache of optimized code for closures on every GC functions with arguments object maximum number of escape analysis fix point iterations allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms concurrent on stack replacement do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes number of stack frames inspected by the profiler percentage of ICs that must have type info to allow optimization extra verbose compilation tracing generate extra emit comments in code disassembly enable use of SSE3 instructions if available enable use of CMOV instruction if available enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long expose natives in global object expose freeBuffer extension expose gc extension under the specified name expose externalize string extension number of stack frames to capture disable builtin natives files print name of functions for which code is generated use random jit cookie to mask large constants trace lazy optimization use adaptive optimizations always try to OSR functions trace optimize function deoptimization minimum length for automatic enable preparsing maximum number of optimization attempts before giving up cache prototype transitions trace debugging JSON request response trace out of bounds accesses to external arrays trace_js_array_abuse automatically set the debug break flag when debugger commands are in the queue abort by crashing maximum length of function source code printed in a stack trace max size of the new max size of the old max size of executable always perform global GCs print one trace line following each garbage collection do not print trace line after scavenger collection print statistics of the maximum memory committed for the heap in only print modified registers Don t break for ASM_UNIMPLEMENTED_BREAK macros print stack trace when an illegal exception is thrown randomize hashes to avoid predictable hash Fixed seed to use to hash property Print the time it takes to deserialize the snapshot testing_bool_flag testing_int_flag string flag tmp file in which to serialize heap Print the time it takes to lazily compile hydrogen code stubs concurrent_recompilation concurrent_sweeping Print usage including on console Map counters to a file Enable debugger compile events enable GDBJIT enable GDBJIT interface for all code objects dump only objects containing this substring stress the GC compactor to flush out pretty print source code print source AST function name where to insert a breakpoint print scopes for builtins trace contexts operations print stuff during garbage collection report code statistics after GC report handles after GC trace cache state transitions print interface inference details prints when objects are turned into dictionaries report heap spill statistics along with trace isolate state changes trace regexp bytecode execution Minimal Log all events to the log file Log API events to the log file Log heap samples on garbage collection for the hp2ps tool log positions Log suspect operations Used with turns on browser compatible mode for profiling v8 Specify the name of the log file Enable low level linux profiler Enable perf linux tmp Specify the name of the file for fake gc mmap used in ll_prof Time events including external callbacks prof arm64_inst AArch64 instruction statistics log file output deopt information and disassembly into file code< pid > < isolateid > asm | DEFINE_string (redirect_code_traces_to, NULL,"output deopt information and disassembly into the given file") DEFINE_bool(hydrogen_track_positions |
DEFINE_bool (trace_elements_transitions, false,"trace elements transitions") DEFINE_bool(trace_creation_allocation_sites | |
trace the creation of allocation sites | DEFINE_bool (print_code_stubs, false,"print code stubs") DEFINE_bool(test_secondary_stub_cache |
trace the creation of allocation sites test secondary stub cache by disabling the primary one | DEFINE_bool (test_primary_stub_cache, false,"test primary stub cache by disabling the secondary one") DEFINE_bool(print_code |
trace the creation of allocation sites test secondary stub cache by disabling the primary one print generated code | DEFINE_bool (print_opt_code, false,"print optimized code") DEFINE_bool(print_unopt_code |
trace the creation of allocation sites test secondary stub cache by disabling the primary one print generated code print unoptimized code before printing optimized code based on it | DEFINE_bool (print_code_verbose, false,"print more information for code") DEFINE_bool(print_builtin_code |
DEFINE_bool (enable_ool_constant_pool, V8_OOL_CONSTANT_POOL,"enable use of out-of-line constant pools (ARM only)") DEFINE_bool(use_strict | |