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annotate src/share/vm/gc_implementation/parallelScavenge/psCompactionManager.inline.hpp @ 13438:ad72068ac41e
8028993: Full collections with ParallelScavenge slower in JDK 8 compared to 7u40
Summary: Reducing the number of calls to follow_class_loader to speed up the marking phase. Also removed some unnecessary calls to adjust_klass.
Reviewed-by: stefank, jmasa, mgerdin
author | sjohanss |
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date | Tue, 10 Dec 2013 10:31:00 +0100 |
parents | f95d63e2154a |
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1 /* |
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2 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 * |
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23 */ |
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24 |
1972 | 25 #ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSCOMPACTIONMANAGER_INLINE_HPP |
26 #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSCOMPACTIONMANAGER_INLINE_HPP | |
27 | |
28 #include "gc_implementation/parallelScavenge/psCompactionManager.hpp" | |
29 #include "gc_implementation/parallelScavenge/psParallelCompact.hpp" | |
30 | |
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31 void ParCompactionManager::push_objarray(oop obj, size_t index) |
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32 { |
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33 ObjArrayTask task(obj, index); |
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34 assert(task.is_valid(), "bad ObjArrayTask"); |
1638 | 35 _objarray_stack.push(task); |
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36 } |
1638 | 37 |
38 void ParCompactionManager::push_region(size_t index) | |
39 { | |
40 #ifdef ASSERT | |
41 const ParallelCompactData& sd = PSParallelCompact::summary_data(); | |
42 ParallelCompactData::RegionData* const region_ptr = sd.region(index); | |
43 assert(region_ptr->claimed(), "must be claimed"); | |
44 assert(region_ptr->_pushed++ == 0, "should only be pushed once"); | |
45 #endif | |
46 region_stack()->push(index); | |
47 } | |
1972 | 48 |
49 #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSCOMPACTIONMANAGER_INLINE_HPP |