diff options
Diffstat (limited to 'deps/v8/src/heap.h')
| -rw-r--r-- | deps/v8/src/heap.h | 45 |
1 files changed, 37 insertions, 8 deletions
diff --git a/deps/v8/src/heap.h b/deps/v8/src/heap.h index add42c01d6..b24b0b3608 100644 --- a/deps/v8/src/heap.h +++ b/deps/v8/src/heap.h @@ -128,7 +128,6 @@ namespace internal { V(Map, short_external_ascii_string_map, ShortExternalAsciiStringMap) \ V(Map, undetectable_string_map, UndetectableStringMap) \ V(Map, undetectable_ascii_string_map, UndetectableAsciiStringMap) \ - V(Map, external_pixel_array_map, ExternalPixelArrayMap) \ V(Map, external_byte_array_map, ExternalByteArrayMap) \ V(Map, external_unsigned_byte_array_map, ExternalUnsignedByteArrayMap) \ V(Map, external_short_array_map, ExternalShortArrayMap) \ @@ -137,6 +136,21 @@ namespace internal { V(Map, external_unsigned_int_array_map, ExternalUnsignedIntArrayMap) \ V(Map, external_float_array_map, ExternalFloatArrayMap) \ V(Map, external_double_array_map, ExternalDoubleArrayMap) \ + V(Map, external_pixel_array_map, ExternalPixelArrayMap) \ + V(ExternalArray, empty_external_byte_array, \ + EmptyExternalByteArray) \ + V(ExternalArray, empty_external_unsigned_byte_array, \ + EmptyExternalUnsignedByteArray) \ + V(ExternalArray, empty_external_short_array, EmptyExternalShortArray) \ + V(ExternalArray, empty_external_unsigned_short_array, \ + EmptyExternalUnsignedShortArray) \ + V(ExternalArray, empty_external_int_array, EmptyExternalIntArray) \ + V(ExternalArray, empty_external_unsigned_int_array, \ + EmptyExternalUnsignedIntArray) \ + V(ExternalArray, empty_external_float_array, EmptyExternalFloatArray) \ + V(ExternalArray, empty_external_double_array, EmptyExternalDoubleArray) \ + V(ExternalArray, empty_external_pixel_array, \ + EmptyExternalPixelArray) \ V(Map, non_strict_arguments_elements_map, NonStrictArgumentsElementsMap) \ V(Map, function_context_map, FunctionContextMap) \ V(Map, catch_context_map, CatchContextMap) \ @@ -273,7 +287,11 @@ namespace internal { V(minus_infinity_string, "-Infinity") \ V(hidden_stack_trace_string, "v8::hidden_stack_trace") \ V(query_colon_string, "(?:)") \ - V(Generator_string, "Generator") + V(Generator_string, "Generator") \ + V(send_string, "send") \ + V(throw_string, "throw") \ + V(done_string, "done") \ + V(value_string, "value") // Forward declarations. class GCTracer; @@ -1567,7 +1585,11 @@ class Heap { intptr_t limit = Max(old_gen_size + old_gen_size / divisor, kMinimumPromotionLimit); limit += new_space_.Capacity(); - limit *= old_gen_limit_factor_; + // TODO(hpayer): Can be removed when when pretenuring is supported for all + // allocation sites. + if (IsHighSurvivalRate() && IsStableOrIncreasingSurvivalTrend()) { + limit *= 2; + } intptr_t halfway_to_the_max = (old_gen_size + max_old_generation_size_) / 2; return Min(limit, halfway_to_the_max); } @@ -1578,7 +1600,11 @@ class Heap { intptr_t limit = Max(old_gen_size + old_gen_size / divisor, kMinimumAllocationLimit); limit += new_space_.Capacity(); - limit *= old_gen_limit_factor_; + // TODO(hpayer): Can be removed when when pretenuring is supported for all + // allocation sites. + if (IsHighSurvivalRate() && IsStableOrIncreasingSurvivalTrend()) { + limit *= 2; + } intptr_t halfway_to_the_max = (old_gen_size + max_old_generation_size_) / 2; return Min(limit, halfway_to_the_max); } @@ -1626,6 +1652,9 @@ class Heap { RootListIndex RootIndexForExternalArrayType( ExternalArrayType array_type); + RootListIndex RootIndexForEmptyExternalArray(ElementsKind kind); + ExternalArray* EmptyExternalArrayForMap(Map* map); + void RecordStats(HeapStats* stats, bool take_snapshot = false); // Copy block of memory from src to dst. Size of block should be aligned @@ -1998,10 +2027,6 @@ class Heap { // every allocation in large object space. intptr_t old_gen_allocation_limit_; - // Sometimes the heuristics dictate that those limits are increased. This - // variable records that fact. - int old_gen_limit_factor_; - // Used to adjust the limits that control the timing of the next GC. intptr_t size_of_old_gen_at_last_old_space_gc_; @@ -2140,6 +2165,10 @@ class Heap { // Allocate empty fixed array. MUST_USE_RESULT MaybeObject* AllocateEmptyFixedArray(); + // Allocate empty external array of given type. + MUST_USE_RESULT MaybeObject* AllocateEmptyExternalArray( + ExternalArrayType array_type); + // Allocate empty fixed double array. MUST_USE_RESULT MaybeObject* AllocateEmptyFixedDoubleArray(); |