src/share/vm/gc_implementation/g1/g1StringDedupQueue.cpp

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rev 6796 : [mq]: templateOopIterate


   7  * published by the Free Software Foundation.
   8  *
   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/javaClasses.hpp"

  27 #include "gc_implementation/g1/g1StringDedupQueue.hpp"
  28 #include "memory/gcLocker.hpp"
  29 #include "runtime/atomic.inline.hpp"
  30 #include "runtime/mutexLocker.hpp"
  31 #include "utilities/stack.inline.hpp"
  32 
  33 G1StringDedupQueue* G1StringDedupQueue::_queue = NULL;
  34 const size_t        G1StringDedupQueue::_max_size = 1000000; // Max number of elements per queue
  35 const size_t        G1StringDedupQueue::_max_cache_size = 0; // Max cache size per queue
  36 
  37 G1StringDedupQueue::G1StringDedupQueue() :
  38   _cursor(0),
  39   _cancel(false),
  40   _empty(true),
  41   _dropped(0) {
  42   _nqueues = MAX2(ParallelGCThreads, (size_t)1);
  43   _queues = NEW_C_HEAP_ARRAY(G1StringDedupWorkerQueue, _nqueues, mtGC);
  44   for (size_t i = 0; i < _nqueues; i++) {
  45     new (_queues + i) G1StringDedupWorkerQueue(G1StringDedupWorkerQueue::default_segment_size(), _max_cache_size, _max_size);
  46   }




   7  * published by the Free Software Foundation.
   8  *
   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/javaClasses.hpp"
  27 #include "gc_implementation/g1/g1StringDedup.hpp"
  28 #include "gc_implementation/g1/g1StringDedupQueue.hpp"
  29 #include "memory/gcLocker.hpp"
  30 #include "runtime/atomic.inline.hpp"
  31 #include "runtime/mutexLocker.hpp"
  32 #include "utilities/stack.inline.hpp"
  33 
  34 G1StringDedupQueue* G1StringDedupQueue::_queue = NULL;
  35 const size_t        G1StringDedupQueue::_max_size = 1000000; // Max number of elements per queue
  36 const size_t        G1StringDedupQueue::_max_cache_size = 0; // Max cache size per queue
  37 
  38 G1StringDedupQueue::G1StringDedupQueue() :
  39   _cursor(0),
  40   _cancel(false),
  41   _empty(true),
  42   _dropped(0) {
  43   _nqueues = MAX2(ParallelGCThreads, (size_t)1);
  44   _queues = NEW_C_HEAP_ARRAY(G1StringDedupWorkerQueue, _nqueues, mtGC);
  45   for (size_t i = 0; i < _nqueues; i++) {
  46     new (_queues + i) G1StringDedupWorkerQueue(G1StringDedupWorkerQueue::default_segment_size(), _max_cache_size, _max_size);
  47   }