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annotate src/share/vm/gc_implementation/parallelScavenge/parallelScavengeHeap.inline.hpp @ 3377:2aa9ddbb9e60

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7041789: 30% perf regression with c2/arm following 7017732 Summary: Implement a more accurate is_scavengable() Reviewed-by: stefank, jcoomes, ysr
author jmasa
date Tue, 03 May 2011 10:30:34 -0700
parents f95d63e2154a
children 23c0eb012d6f
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1 /*
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2 * Copyright (c) 2006, 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
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25 #ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PARALLELSCAVENGEHEAP_INLINE_HPP
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26 #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PARALLELSCAVENGEHEAP_INLINE_HPP
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27
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28 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp"
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29 #include "gc_implementation/parallelScavenge/psMarkSweep.hpp"
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30 #include "gc_implementation/parallelScavenge/psParallelCompact.hpp"
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31 #include "gc_implementation/parallelScavenge/psScavenge.hpp"
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32
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33 inline size_t ParallelScavengeHeap::total_invocations()
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34 {
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35 return UseParallelOldGC ? PSParallelCompact::total_invocations() :
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36 PSMarkSweep::total_invocations();
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37 }
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38
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39 inline void ParallelScavengeHeap::invoke_scavenge()
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40 {
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41 PSScavenge::invoke();
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42 }
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43
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44 inline void ParallelScavengeHeap::invoke_full_gc(bool maximum_compaction)
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45 {
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46 if (UseParallelOldGC) {
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47 PSParallelCompact::invoke(maximum_compaction);
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48 } else {
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49 PSMarkSweep::invoke(maximum_compaction);
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50 }
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51 }
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52
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53 inline bool ParallelScavengeHeap::is_in_young(oop p) {
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54 // Assumes the the old gen address range is lower than that of the young gen.
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55 const void* loc = (void*) p;
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56 bool result = ((HeapWord*)p) >= young_gen()->reserved().start();
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57 assert(result == young_gen()->is_in_reserved(p),
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58 err_msg("incorrect test - result=%d, p=" PTR_FORMAT, result, (void*)p));
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59 return result;
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60 }
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61
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62 inline bool ParallelScavengeHeap::is_in_old_or_perm(oop p) {
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63 return old_gen()->is_in_reserved(p) || perm_gen()->is_in_reserved(p);
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64 }
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65
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66 #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PARALLELSCAVENGEHEAP_INLINE_HPP