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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 #ifndef V8_HEAP_HEAP_H_ | 5 #ifndef V8_HEAP_HEAP_H_ |
6 #define V8_HEAP_HEAP_H_ | 6 #define V8_HEAP_HEAP_H_ |
7 | 7 |
8 #include <cmath> | 8 #include <cmath> |
9 #include <map> | 9 #include <map> |
10 | 10 |
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1022 // This event is triggered after object is moved to a new place. | 1022 // This event is triggered after object is moved to a new place. |
1023 inline void OnMoveEvent(HeapObject* target, HeapObject* source, | 1023 inline void OnMoveEvent(HeapObject* target, HeapObject* source, |
1024 int size_in_bytes); | 1024 int size_in_bytes); |
1025 | 1025 |
1026 bool deserialization_complete() const { return deserialization_complete_; } | 1026 bool deserialization_complete() const { return deserialization_complete_; } |
1027 | 1027 |
1028 bool HasLowAllocationRate(); | 1028 bool HasLowAllocationRate(); |
1029 bool HasHighFragmentation(); | 1029 bool HasHighFragmentation(); |
1030 bool HasHighFragmentation(intptr_t used, intptr_t committed); | 1030 bool HasHighFragmentation(intptr_t used, intptr_t committed); |
1031 | 1031 |
| 1032 void SetOptimizeForLatency() { optimize_for_memory_usage_ = false; } |
| 1033 void SetOptimizeForMemoryUsage() { optimize_for_memory_usage_ = true; } |
1032 bool ShouldOptimizeForMemoryUsage() { return optimize_for_memory_usage_; } | 1034 bool ShouldOptimizeForMemoryUsage() { return optimize_for_memory_usage_; } |
1033 | 1035 |
1034 // =========================================================================== | 1036 // =========================================================================== |
1035 // Initialization. =========================================================== | 1037 // Initialization. =========================================================== |
1036 // =========================================================================== | 1038 // =========================================================================== |
1037 | 1039 |
1038 // Configure heap size in MB before setup. Return false if the heap has been | 1040 // Configure heap size in MB before setup. Return false if the heap has been |
1039 // set up already. | 1041 // set up already. |
1040 bool ConfigureHeap(int max_semi_space_size, int max_old_space_size, | 1042 bool ConfigureHeap(int max_semi_space_size, int max_old_space_size, |
1041 int max_executable_size, size_t code_range_size); | 1043 int max_executable_size, size_t code_range_size); |
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2732 DisallowHeapAllocation no_allocation; // i.e. no gc allowed. | 2734 DisallowHeapAllocation no_allocation; // i.e. no gc allowed. |
2733 | 2735 |
2734 private: | 2736 private: |
2735 DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer); | 2737 DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer); |
2736 }; | 2738 }; |
2737 #endif // DEBUG | 2739 #endif // DEBUG |
2738 } // namespace internal | 2740 } // namespace internal |
2739 } // namespace v8 | 2741 } // namespace v8 |
2740 | 2742 |
2741 #endif // V8_HEAP_HEAP_H_ | 2743 #endif // V8_HEAP_HEAP_H_ |
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