Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp
src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp
- changeset 7470
- 060cdf93040c
- parent 6719
- 8e20ef014b08
- child 7476
- c2844108a708
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| 7469:01dcaba9b3f3 | 7470:060cdf93040c |
|---|---|
| 735 assert(_eden_chunk_array != NULL || _eden_chunk_capacity == 0, "Error"); | 735 assert(_eden_chunk_array != NULL || _eden_chunk_capacity == 0, "Error"); |
| 736 | 736 |
| 737 // Support for parallelizing survivor space rescan | 737 // Support for parallelizing survivor space rescan |
| 738 if ((CMSParallelRemarkEnabled && CMSParallelSurvivorRemarkEnabled) || CMSParallelInitialMarkEnabled) { | 738 if ((CMSParallelRemarkEnabled && CMSParallelSurvivorRemarkEnabled) || CMSParallelInitialMarkEnabled) { |
| 739 const size_t max_plab_samples = | 739 const size_t max_plab_samples = |
| 740 ((DefNewGeneration*)_young_gen)->max_survivor_size()/MinTLABSize; | 740 ((DefNewGeneration*)_young_gen)->max_survivor_size() / plab_sample_minimum_size(); |
| 741 | 741 |
| 742 _survivor_plab_array = NEW_C_HEAP_ARRAY(ChunkArray, ParallelGCThreads, mtGC); | 742 _survivor_plab_array = NEW_C_HEAP_ARRAY(ChunkArray, ParallelGCThreads, mtGC); |
| 743 _survivor_chunk_array = NEW_C_HEAP_ARRAY(HeapWord*, 2*max_plab_samples, mtGC); | 743 _survivor_chunk_array = NEW_C_HEAP_ARRAY(HeapWord*, 2*max_plab_samples, mtGC); |
| 744 _cursor = NEW_C_HEAP_ARRAY(size_t, ParallelGCThreads, mtGC); | 744 _cursor = NEW_C_HEAP_ARRAY(size_t, ParallelGCThreads, mtGC); |
| 745 if (_survivor_plab_array == NULL || _survivor_chunk_array == NULL | 745 if (_survivor_plab_array == NULL || _survivor_chunk_array == NULL |
| 791 | 791 |
| 792 NOT_PRODUCT(_overflow_counter = CMSMarkStackOverflowInterval;) | 792 NOT_PRODUCT(_overflow_counter = CMSMarkStackOverflowInterval;) |
| 793 _gc_counters = new CollectorCounters("CMS", 1); | 793 _gc_counters = new CollectorCounters("CMS", 1); |
| 794 _completed_initialization = true; | 794 _completed_initialization = true; |
| 795 _inter_sweep_timer.start(); // start of time | 795 _inter_sweep_timer.start(); // start of time |
| 796 } | |
| 797 | |
| 798 size_t CMSCollector::plab_sample_minimum_size() { | |
| 799 // The default value of MinTLABSize is 2k, but there is | |
| 800 // no way to get the default value if the flag has been overridden. | |
| 801 return MAX2(ThreadLocalAllocBuffer::min_size() * HeapWordSize, 2 * K); | |
| 796 } | 802 } |
| 797 | 803 |
| 798 const char* ConcurrentMarkSweepGeneration::name() const { | 804 const char* ConcurrentMarkSweepGeneration::name() const { |
| 799 return "concurrent mark-sweep generation"; | 805 return "concurrent mark-sweep generation"; |
| 800 } | 806 } |
