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

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   1 /*
   2  * Copyright (c) 2001, 2009, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   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 "incls/_precompiled.incl"
  26 # include "incls/_collectionSetChooser.cpp.incl"



  27 
  28 CSetChooserCache::CSetChooserCache() {
  29   for (int i = 0; i < CacheLength; ++i)
  30     _cache[i] = NULL;
  31   clear();
  32 }
  33 
  34 void CSetChooserCache::clear() {
  35   _occupancy = 0;
  36   _first = 0;
  37   for (int i = 0; i < CacheLength; ++i) {
  38     HeapRegion *hr = _cache[i];
  39     if (hr != NULL)
  40       hr->set_sort_index(-1);
  41     _cache[i] = NULL;
  42   }
  43 }
  44 
  45 #ifndef PRODUCT
  46 bool CSetChooserCache::verify() {


   1 /*
   2  * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   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 "gc_implementation/g1/collectionSetChooser.hpp"
  27 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
  28 #include "gc_implementation/g1/g1CollectorPolicy.hpp"
  29 #include "memory/space.inline.hpp"
  30 
  31 CSetChooserCache::CSetChooserCache() {
  32   for (int i = 0; i < CacheLength; ++i)
  33     _cache[i] = NULL;
  34   clear();
  35 }
  36 
  37 void CSetChooserCache::clear() {
  38   _occupancy = 0;
  39   _first = 0;
  40   for (int i = 0; i < CacheLength; ++i) {
  41     HeapRegion *hr = _cache[i];
  42     if (hr != NULL)
  43       hr->set_sort_index(-1);
  44     _cache[i] = NULL;
  45   }
  46 }
  47 
  48 #ifndef PRODUCT
  49 bool CSetChooserCache::verify() {