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Unified Diff: src/heap/incremental-marking-inl.h

Issue 1380523002: [heap] Less aggressive inlining of IncrementalMarking code. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 3 months ago
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Index: src/heap/incremental-marking-inl.h
diff --git a/src/heap/incremental-marking-inl.h b/src/heap/incremental-marking-inl.h
index 5988426fd5de54924371dc7865dd106dd6af0c70..0d55b83a9d552456c5dbd15f71455c653f3ef920 100644
--- a/src/heap/incremental-marking-inl.h
+++ b/src/heap/incremental-marking-inl.h
@@ -6,42 +6,11 @@
#define V8_HEAP_INCREMENTAL_MARKING_INL_H_
#include "src/heap/incremental-marking.h"
-#include "src/heap/mark-compact.h"
namespace v8 {
namespace internal {
-bool IncrementalMarking::BaseRecordWrite(HeapObject* obj, Object** slot,
- Object* value) {
- HeapObject* value_heap_obj = HeapObject::cast(value);
- MarkBit value_bit = Marking::MarkBitFrom(value_heap_obj);
- if (Marking::IsWhite(value_bit)) {
- MarkBit obj_bit = Marking::MarkBitFrom(obj);
- if (Marking::IsBlack(obj_bit)) {
- MemoryChunk* chunk = MemoryChunk::FromAddress(obj->address());
- if (chunk->IsFlagSet(MemoryChunk::HAS_PROGRESS_BAR)) {
- if (chunk->IsLeftOfProgressBar(slot)) {
- WhiteToGreyAndPush(value_heap_obj, value_bit);
- RestartIfNotMarking();
- } else {
- return false;
- }
- } else {
- BlackToGreyAndUnshift(obj, obj_bit);
- RestartIfNotMarking();
- return false;
- }
- } else {
- return false;
- }
- }
- if (!is_compacting_) return false;
- MarkBit obj_bit = Marking::MarkBitFrom(obj);
- return Marking::IsBlack(obj_bit);
-}
-
-
void IncrementalMarking::RecordWrite(HeapObject* obj, Object** slot,
Object* value) {
if (IsMarking() && value->IsHeapObject()) {
@@ -52,7 +21,9 @@ void IncrementalMarking::RecordWrite(HeapObject* obj, Object** slot,
void IncrementalMarking::RecordWriteOfCodeEntry(JSFunction* host, Object** slot,
Code* value) {
- if (IsMarking()) RecordWriteOfCodeEntrySlow(host, slot, value);
+ if (IsMarking()) {
+ RecordWriteOfCodeEntrySlow(host, slot, value);
+ }
}
@@ -64,57 +35,7 @@ void IncrementalMarking::RecordWriteIntoCode(HeapObject* obj, RelocInfo* rinfo,
}
-void IncrementalMarking::RecordWrites(HeapObject* obj) {
- if (IsMarking()) {
- MarkBit obj_bit = Marking::MarkBitFrom(obj);
- if (Marking::IsBlack(obj_bit)) {
- MemoryChunk* chunk = MemoryChunk::FromAddress(obj->address());
- if (chunk->IsFlagSet(MemoryChunk::HAS_PROGRESS_BAR)) {
- chunk->set_progress_bar(0);
- }
- BlackToGreyAndUnshift(obj, obj_bit);
- RestartIfNotMarking();
- }
- }
-}
-
-
-void IncrementalMarking::BlackToGreyAndUnshift(HeapObject* obj,
- MarkBit mark_bit) {
- DCHECK(Marking::MarkBitFrom(obj) == mark_bit);
- DCHECK(obj->Size() >= 2 * kPointerSize);
- DCHECK(IsMarking());
- Marking::BlackToGrey(mark_bit);
- int obj_size = obj->Size();
- MemoryChunk::IncrementLiveBytesFromGC(obj, -obj_size);
- bytes_scanned_ -= obj_size;
- int64_t old_bytes_rescanned = bytes_rescanned_;
- bytes_rescanned_ = old_bytes_rescanned + obj_size;
- if ((bytes_rescanned_ >> 20) != (old_bytes_rescanned >> 20)) {
- if (bytes_rescanned_ > 2 * heap_->PromotedSpaceSizeOfObjects()) {
- // If we have queued twice the heap size for rescanning then we are
- // going around in circles, scanning the same objects again and again
- // as the program mutates the heap faster than we can incrementally
- // trace it. In this case we switch to non-incremental marking in
- // order to finish off this marking phase.
- if (FLAG_trace_incremental_marking) {
- PrintIsolate(
- heap()->isolate(),
- "Hurrying incremental marking because of lack of progress\n");
- }
- marking_speed_ = kMaxMarkingSpeed;
- }
- }
-
- heap_->mark_compact_collector()->marking_deque()->Unshift(obj);
-}
-
-
-void IncrementalMarking::WhiteToGreyAndPush(HeapObject* obj, MarkBit mark_bit) {
- Marking::WhiteToGrey(mark_bit);
- heap_->mark_compact_collector()->marking_deque()->Push(obj);
-}
-}
-} // namespace v8::internal
+} // namespace internal
+} // namespace v8
#endif // V8_HEAP_INCREMENTAL_MARKING_INL_H_
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