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Issue 1310613004: Version 4.6.85.8 (cherry-pick) (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@4.6
Patch Set: Created 5 years, 3 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "src/heap/heap.h" 5 #include "src/heap/heap.h"
6 6
7 #include "src/accessors.h" 7 #include "src/accessors.h"
8 #include "src/api.h" 8 #include "src/api.h"
9 #include "src/base/bits.h" 9 #include "src/base/bits.h"
10 #include "src/base/once.h" 10 #include "src/base/once.h"
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4764 size_t allocation_throughput = 4764 size_t allocation_throughput =
4765 tracer()->CurrentAllocationThroughputInBytesPerMillisecond(); 4765 tracer()->CurrentAllocationThroughputInBytesPerMillisecond();
4766 if (FLAG_predictable || allocation_throughput == 0) return; 4766 if (FLAG_predictable || allocation_throughput == 0) return;
4767 if (allocation_throughput < kLowAllocationThroughput) { 4767 if (allocation_throughput < kLowAllocationThroughput) {
4768 new_space_.Shrink(); 4768 new_space_.Shrink();
4769 UncommitFromSpace(); 4769 UncommitFromSpace();
4770 } 4770 }
4771 } 4771 }
4772 4772
4773 4773
4774 void Heap::FinalizeIncrementalMarkingIfComplete(const char* comment) {
4775 if (FLAG_overapproximate_weak_closure &&
4776 (incremental_marking()->IsReadyToOverApproximateWeakClosure() ||
4777 (!incremental_marking()->weak_closure_was_overapproximated() &&
4778 mark_compact_collector_.marking_deque()->IsEmpty()))) {
4779 OverApproximateWeakClosure(comment);
4780 } else if (incremental_marking()->IsComplete() ||
4781 (mark_compact_collector_.marking_deque()->IsEmpty())) {
4782 CollectAllGarbage(kNoGCFlags, comment);
4783 }
4784 }
4785
4786
4787 bool Heap::TryFinalizeIdleIncrementalMarking( 4774 bool Heap::TryFinalizeIdleIncrementalMarking(
4788 double idle_time_in_ms, size_t size_of_objects, 4775 double idle_time_in_ms, size_t size_of_objects,
4789 size_t final_incremental_mark_compact_speed_in_bytes_per_ms) { 4776 size_t final_incremental_mark_compact_speed_in_bytes_per_ms) {
4790 if (FLAG_overapproximate_weak_closure && 4777 if (FLAG_overapproximate_weak_closure &&
4791 (incremental_marking()->IsReadyToOverApproximateWeakClosure() || 4778 (incremental_marking()->IsReadyToOverApproximateWeakClosure() ||
4792 (!incremental_marking()->weak_closure_was_overapproximated() && 4779 (!incremental_marking()->weak_closure_was_overapproximated() &&
4793 mark_compact_collector_.marking_deque()->IsEmpty() && 4780 mark_compact_collector_.marking_deque()->IsEmpty() &&
4794 gc_idle_time_handler_.ShouldDoOverApproximateWeakClosure( 4781 gc_idle_time_handler_.ShouldDoOverApproximateWeakClosure(
4795 static_cast<size_t>(idle_time_in_ms))))) { 4782 static_cast<size_t>(idle_time_in_ms))))) {
4796 OverApproximateWeakClosure( 4783 OverApproximateWeakClosure(
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6901 *object_type = "CODE_TYPE"; \ 6888 *object_type = "CODE_TYPE"; \
6902 *object_sub_type = "CODE_AGE/" #name; \ 6889 *object_sub_type = "CODE_AGE/" #name; \
6903 return true; 6890 return true;
6904 CODE_AGE_LIST_COMPLETE(COMPARE_AND_RETURN_NAME) 6891 CODE_AGE_LIST_COMPLETE(COMPARE_AND_RETURN_NAME)
6905 #undef COMPARE_AND_RETURN_NAME 6892 #undef COMPARE_AND_RETURN_NAME
6906 } 6893 }
6907 return false; 6894 return false;
6908 } 6895 }
6909 } // namespace internal 6896 } // namespace internal
6910 } // namespace v8 6897 } // namespace v8
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