AuroraMiddleware/v8
1
0
Fork 0
Code Issues 2 Pull Requests Releases Wiki Activity

[heap] Remove heap-local variable caching FLAG_concurrent_sweeping

Browse Source 
R=hpayer@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1522433002

Cr-Commit-Position: refs/heads/master@{#32789}
This commit is contained in:
mlippautz 2015-12-11 03:04:00 -08:00 committed by Commit bot
parent 3f648d7b44
commit bd104277c2
4 changed files with 5 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
src/heap/heap.cc
View File

@ -162,7 +162,6 @@ Heap::Heap()
pending_unmapping_tasks_semaphore_(0),
gc_callbacks_depth_(0),
deserialization_complete_(false),
concurrent_sweeping_enabled_(false),
strong_roots_list_(NULL),
array_buffer_tracker_(NULL) {
// Allow build-time customization of the max semispace size. Building
@ -5004,8 +5003,6 @@ bool Heap::SetUp() {
if (!ConfigureHeapDefault()) return false;
}
concurrent_sweeping_enabled_ = FLAG_concurrent_sweeping;
base::CallOnce(&initialize_gc_once, &InitializeGCOnce);
// Set up memory allocator.

4
src/heap/heap.h
View File

@ -959,8 +959,6 @@ class Heap {
void IncrementDeferredCount(v8::Isolate::UseCounterFeature feature);
bool concurrent_sweeping_enabled() { return concurrent_sweeping_enabled_; }
inline bool OldGenerationAllocationLimitReached();
void QueueMemoryChunkForFree(MemoryChunk* chunk);
@ -2363,8 +2361,6 @@ class Heap {
bool deserialization_complete_;
bool concurrent_sweeping_enabled_;
StrongRootsList* strong_roots_list_;
ArrayBufferTracker* array_buffer_tracker_;

2
src/heap/incremental-marking.cc
View File

@ -1176,7 +1176,7 @@ intptr_t IncrementalMarking::Step(intptr_t allocated_bytes,
if (state_ == SWEEPING) {
if (heap_->mark_compact_collector()->sweeping_in_progress() &&
(heap_->mark_compact_collector()->IsSweepingCompleted() ||
!heap_->concurrent_sweeping_enabled())) {
!FLAG_concurrent_sweeping)) {
heap_->mark_compact_collector()->EnsureSweepingCompleted();
}
if (!heap_->mark_compact_collector()->sweeping_in_progress()) {

8
src/heap/mark-compact.cc
View File

@ -561,7 +561,7 @@ void MarkCompactCollector::SweepOrWaitUntilSweepingCompleted(Page* page) {
void MarkCompactCollector::SweepAndRefill(CompactionSpace* space) {
if (heap()->concurrent_sweeping_enabled() && !IsSweepingCompleted()) {
if (FLAG_concurrent_sweeping && !IsSweepingCompleted()) {
SweepInParallel(heap()->paged_space(space->identity()), 0);
space->RefillFreeList();
}
@ -573,13 +573,13 @@ void MarkCompactCollector::EnsureSweepingCompleted() {
// If sweeping is not completed or not running at all, we try to complete it
// here.
if (!heap()->concurrent_sweeping_enabled() || !IsSweepingCompleted()) {
if (!FLAG_concurrent_sweeping || !IsSweepingCompleted()) {
SweepInParallel(heap()->paged_space(OLD_SPACE), 0);
SweepInParallel(heap()->paged_space(CODE_SPACE), 0);
SweepInParallel(heap()->paged_space(MAP_SPACE), 0);
}
if (heap()->concurrent_sweeping_enabled()) {
if (FLAG_concurrent_sweeping) {
pending_sweeper_tasks_semaphore_.Wait();
pending_sweeper_tasks_semaphore_.Wait();
pending_sweeper_tasks_semaphore_.Wait();
@ -3848,7 +3848,7 @@ void MarkCompactCollector::SweepSpaces() {
SweepSpace(heap()->map_space(), CONCURRENT_SWEEPING);
}
sweeping_in_progress_ = true;
if (heap()->concurrent_sweeping_enabled()) {
if (FLAG_concurrent_sweeping) {
StartSweeperThreads();
}
}