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src/share/vm/gc/parallel/psParallelCompact.cpp

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rev 8362 : [mq]: hotspot


   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "classfile/stringTable.hpp"
  27 #include "classfile/systemDictionary.hpp"
  28 #include "code/codeCache.hpp"
  29 #include "gc_implementation/parallelScavenge/gcTaskManager.hpp"
  30 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.inline.hpp"
  31 #include "gc_implementation/parallelScavenge/pcTasks.hpp"
  32 #include "gc_implementation/parallelScavenge/psAdaptiveSizePolicy.hpp"
  33 #include "gc_implementation/parallelScavenge/psCompactionManager.inline.hpp"
  34 #include "gc_implementation/parallelScavenge/psMarkSweep.hpp"
  35 #include "gc_implementation/parallelScavenge/psMarkSweepDecorator.hpp"
  36 #include "gc_implementation/parallelScavenge/psOldGen.hpp"
  37 #include "gc_implementation/parallelScavenge/psParallelCompact.inline.hpp"
  38 #include "gc_implementation/parallelScavenge/psPromotionManager.inline.hpp"
  39 #include "gc_implementation/parallelScavenge/psScavenge.hpp"
  40 #include "gc_implementation/parallelScavenge/psYoungGen.hpp"
  41 #include "gc_implementation/shared/gcHeapSummary.hpp"
  42 #include "gc_implementation/shared/gcTimer.hpp"
  43 #include "gc_implementation/shared/gcTrace.hpp"
  44 #include "gc_implementation/shared/gcTraceTime.hpp"
  45 #include "gc_implementation/shared/isGCActiveMark.hpp"
  46 #include "gc_implementation/shared/spaceDecorator.hpp"
  47 #include "gc_interface/gcCause.hpp"
  48 #include "memory/gcLocker.inline.hpp"
  49 #include "memory/referencePolicy.hpp"
  50 #include "memory/referenceProcessor.hpp"
  51 #include "oops/instanceKlass.inline.hpp"
  52 #include "oops/instanceMirrorKlass.inline.hpp"
  53 #include "oops/methodData.hpp"
  54 #include "oops/objArrayKlass.inline.hpp"
  55 #include "oops/oop.inline.hpp"
  56 #include "runtime/atomic.inline.hpp"
  57 #include "runtime/fprofiler.hpp"
  58 #include "runtime/safepoint.hpp"
  59 #include "runtime/vmThread.hpp"
  60 #include "services/management.hpp"
  61 #include "services/memoryService.hpp"
  62 #include "services/memTracker.hpp"

  63 #include "utilities/events.hpp"
  64 #include "utilities/stack.inline.hpp"
  65 
  66 #include <math.h>
  67 
  68 // All sizes are in HeapWords.
  69 const size_t ParallelCompactData::Log2RegionSize  = 16; // 64K words
  70 const size_t ParallelCompactData::RegionSize      = (size_t)1 << Log2RegionSize;
  71 const size_t ParallelCompactData::RegionSizeBytes =
  72   RegionSize << LogHeapWordSize;
  73 const size_t ParallelCompactData::RegionSizeOffsetMask = RegionSize - 1;
  74 const size_t ParallelCompactData::RegionAddrOffsetMask = RegionSizeBytes - 1;
  75 const size_t ParallelCompactData::RegionAddrMask       = ~RegionAddrOffsetMask;
  76 
  77 const size_t ParallelCompactData::Log2BlockSize   = 7; // 128 words
  78 const size_t ParallelCompactData::BlockSize       = (size_t)1 << Log2BlockSize;
  79 const size_t ParallelCompactData::BlockSizeBytes  =
  80   BlockSize << LogHeapWordSize;
  81 const size_t ParallelCompactData::BlockSizeOffsetMask = BlockSize - 1;
  82 const size_t ParallelCompactData::BlockAddrOffsetMask = BlockSizeBytes - 1;




   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "classfile/stringTable.hpp"
  27 #include "classfile/systemDictionary.hpp"
  28 #include "code/codeCache.hpp"
  29 #include "gc/parallel/gcTaskManager.hpp"
  30 #include "gc/parallel/parallelScavengeHeap.inline.hpp"
  31 #include "gc/parallel/pcTasks.hpp"
  32 #include "gc/parallel/psAdaptiveSizePolicy.hpp"
  33 #include "gc/parallel/psCompactionManager.inline.hpp"
  34 #include "gc/parallel/psMarkSweep.hpp"
  35 #include "gc/parallel/psMarkSweepDecorator.hpp"
  36 #include "gc/parallel/psOldGen.hpp"
  37 #include "gc/parallel/psParallelCompact.inline.hpp"
  38 #include "gc/parallel/psPromotionManager.inline.hpp"
  39 #include "gc/parallel/psScavenge.hpp"
  40 #include "gc/parallel/psYoungGen.hpp"
  41 #include "gc/shared/gcCause.hpp"
  42 #include "gc/shared/gcHeapSummary.hpp"
  43 #include "gc/shared/gcLocker.inline.hpp"
  44 #include "gc/shared/gcTimer.hpp"
  45 #include "gc/shared/gcTrace.hpp"
  46 #include "gc/shared/gcTraceTime.hpp"
  47 #include "gc/shared/isGCActiveMark.hpp"
  48 #include "gc/shared/referencePolicy.hpp"
  49 #include "gc/shared/referenceProcessor.hpp"
  50 #include "gc/shared/spaceDecorator.hpp"
  51 #include "oops/instanceKlass.inline.hpp"
  52 #include "oops/instanceMirrorKlass.inline.hpp"
  53 #include "oops/methodData.hpp"
  54 #include "oops/objArrayKlass.inline.hpp"
  55 #include "oops/oop.inline.hpp"
  56 #include "runtime/atomic.inline.hpp"
  57 #include "runtime/fprofiler.hpp"
  58 #include "runtime/safepoint.hpp"
  59 #include "runtime/vmThread.hpp"
  60 #include "services/management.hpp"

  61 #include "services/memTracker.hpp"
  62 #include "services/memoryService.hpp"
  63 #include "utilities/events.hpp"
  64 #include "utilities/stack.inline.hpp"
  65 
  66 #include <math.h>
  67 
  68 // All sizes are in HeapWords.
  69 const size_t ParallelCompactData::Log2RegionSize  = 16; // 64K words
  70 const size_t ParallelCompactData::RegionSize      = (size_t)1 << Log2RegionSize;
  71 const size_t ParallelCompactData::RegionSizeBytes =
  72   RegionSize << LogHeapWordSize;
  73 const size_t ParallelCompactData::RegionSizeOffsetMask = RegionSize - 1;
  74 const size_t ParallelCompactData::RegionAddrOffsetMask = RegionSizeBytes - 1;
  75 const size_t ParallelCompactData::RegionAddrMask       = ~RegionAddrOffsetMask;
  76 
  77 const size_t ParallelCompactData::Log2BlockSize   = 7; // 128 words
  78 const size_t ParallelCompactData::BlockSize       = (size_t)1 << Log2BlockSize;
  79 const size_t ParallelCompactData::BlockSizeBytes  =
  80   BlockSize << LogHeapWordSize;
  81 const size_t ParallelCompactData::BlockSizeOffsetMask = BlockSize - 1;
  82 const size_t ParallelCompactData::BlockAddrOffsetMask = BlockSizeBytes - 1;


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