AuroraMiddleware/v8
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Serializer: reorder root list items.

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The first 32 root list items can be encoded very efficiently.
By reordering, we can better encode some often referenced root objects.

R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/1019243002

Cr-Commit-Position: refs/heads/master@{#27293}
This commit is contained in:
yangguo 2015-03-19 02:33:46 -07:00 committed by Commit bot
parent f4fabd59a3
commit 4ddeac6cd7
1 changed files with 9 additions and 9 deletions
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18
src/heap/heap.h
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@ -38,7 +38,6 @@ namespace internal {
V(Oddball, true_value, TrueValue) \
V(Oddball, false_value, FalseValue) \
V(Oddball, uninitialized_value, UninitializedValue) \
V(Oddball, exception, Exception) \
V(Map, cell_map, CellMap) \
V(Map, global_property_cell_map, GlobalPropertyCellMap) \
V(Map, shared_function_info_map, SharedFunctionInfoMap) \
@ -53,17 +52,20 @@ namespace internal {
V(Map, fixed_double_array_map, FixedDoubleArrayMap) \
V(Map, constant_pool_array_map, ConstantPoolArrayMap) \
V(Map, weak_cell_map, WeakCellMap) \
V(Oddball, no_interceptor_result_sentinel, NoInterceptorResultSentinel) \
V(Map, hash_table_map, HashTableMap) \
V(Map, ordered_hash_table_map, OrderedHashTableMap) \
V(Map, one_byte_string_map, OneByteStringMap) \
V(Map, one_byte_internalized_string_map, OneByteInternalizedStringMap) \
V(Map, cons_one_byte_string_map, ConsOneByteStringMap) \
V(FixedArray, empty_fixed_array, EmptyFixedArray) \
V(ByteArray, empty_byte_array, EmptyByteArray) \
V(DescriptorArray, empty_descriptor_array, EmptyDescriptorArray) \
V(ConstantPoolArray, empty_constant_pool_array, EmptyConstantPoolArray) \
V(Oddball, arguments_marker, ArgumentsMarker) \
/* The roots above this line should be boring from a GC point of view. */ \
/* This means they are never in new space and never on a page that is */ \
/* being compacted. */ \
V(Oddball, no_interceptor_result_sentinel, NoInterceptorResultSentinel) \
V(Oddball, arguments_marker, ArgumentsMarker) \
V(Oddball, exception, Exception) \
V(Oddball, termination_exception, TerminationException) \
V(FixedArray, number_string_cache, NumberStringCache) \
V(Object, instanceof_cache_function, InstanceofCacheFunction) \
V(Object, instanceof_cache_map, InstanceofCacheMap) \
@ -71,13 +73,12 @@ namespace internal {
V(FixedArray, single_character_string_cache, SingleCharacterStringCache) \
V(FixedArray, string_split_cache, StringSplitCache) \
V(FixedArray, regexp_multiple_cache, RegExpMultipleCache) \
V(Oddball, termination_exception, TerminationException) \
V(Smi, hash_seed, HashSeed) \
V(Map, hash_table_map, HashTableMap) \
V(Map, ordered_hash_table_map, OrderedHashTableMap) \
V(Map, symbol_map, SymbolMap) \
V(Map, string_map, StringMap) \
V(Map, one_byte_string_map, OneByteStringMap) \
V(Map, cons_string_map, ConsStringMap) \
V(Map, cons_one_byte_string_map, ConsOneByteStringMap) \
V(Map, sliced_string_map, SlicedStringMap) \
V(Map, sliced_one_byte_string_map, SlicedOneByteStringMap) \
V(Map, external_string_map, ExternalStringMap) \
@ -89,7 +90,6 @@ namespace internal {
V(Map, short_external_string_with_one_byte_data_map, \
ShortExternalStringWithOneByteDataMap) \
V(Map, internalized_string_map, InternalizedStringMap) \
V(Map, one_byte_internalized_string_map, OneByteInternalizedStringMap) \
V(Map, external_internalized_string_map, ExternalInternalizedStringMap) \
V(Map, external_internalized_string_with_one_byte_data_map, \
ExternalInternalizedStringWithOneByteDataMap) \