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[heap] Flip between large object and new large object allocation mode based on --young_generation_large_objects.

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Bug: chromium:852420
Change-Id: I5bb03c6ab14b4e42988e917f7ca7d449d53723d8
Reviewed-on: https://chromium-review.googlesource.com/c/1350995
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Hannes Payer <hpayer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57849}
This commit is contained in:
Hannes Payer 2018-11-26 18:35:32 +01:00 committed by Commit Bot
parent a86739187c
commit 8930ad2bb9
1 changed files with 5 additions and 10 deletions
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15
src/heap/heap-inl.h
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@ -177,21 +177,16 @@ AllocationResult Heap::AllocateRaw(int size_in_bytes, AllocationSpace space,
IncrementObjectCounters();
#endif
bool large_object = !FLAG_young_generation_large_objects &&
size_in_bytes > kMaxRegularHeapObjectSize;
bool new_large_object = FLAG_young_generation_large_objects &&
size_in_bytes > kMaxRegularHeapObjectSize;
bool large_object = size_in_bytes > kMaxRegularHeapObjectSize;
HeapObject* object = nullptr;
AllocationResult allocation;
if (NEW_SPACE == space) {
if (large_object) {
space = LO_SPACE;
// TODO(hpayer): Implement a LO tenuring strategy.
space = FLAG_young_generation_large_objects ? NEW_LO_SPACE : LO_SPACE;
} else {
if (new_large_object) {
allocation = new_lo_space_->AllocateRaw(size_in_bytes);
} else {
allocation = new_space_->AllocateRaw(size_in_bytes, alignment);
}
allocation = new_space_->AllocateRaw(size_in_bytes, alignment);
if (allocation.To(&object)) {
OnAllocationEvent(object, size_in_bytes);
}