Mercurial > hg > truffle
annotate src/share/vm/gc_implementation/parNew/parOopClosures.hpp @ 12029:9766f73e770d
8022880: False sharing between PSPromotionManager instances
Summary: Pad the PSPromotionManager instances in the manager array.
Reviewed-by: brutisso, jmasa
| author | stefank |
|---|---|
| date | Fri, 31 May 2013 14:32:44 +0200 |
| parents | da91efe96a93 |
| children |
| rev | line source |
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| 0 | 1 /* |
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2 * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
|
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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. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef SHARE_VM_GC_IMPLEMENTATION_PARNEW_PAROOPCLOSURES_HPP |
| 26 #define SHARE_VM_GC_IMPLEMENTATION_PARNEW_PAROOPCLOSURES_HPP | |
| 27 | |
| 28 #include "memory/genOopClosures.hpp" | |
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29 #include "memory/padded.hpp" |
| 1972 | 30 |
| 0 | 31 // Closures for ParNewGeneration |
| 32 | |
| 33 class ParScanThreadState; | |
| 34 class ParNewGeneration; | |
| 1665 | 35 typedef Padded<OopTaskQueue> ObjToScanQueue; |
| 6197 | 36 typedef GenericTaskQueueSet<ObjToScanQueue, mtGC> ObjToScanQueueSet; |
| 0 | 37 class ParallelTaskTerminator; |
| 38 | |
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39 class ParScanClosure: public OopsInKlassOrGenClosure { |
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40 protected: |
| 0 | 41 ParScanThreadState* _par_scan_state; |
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42 ParNewGeneration* _g; |
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43 HeapWord* _boundary; |
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44 template <class T> void inline par_do_barrier(T* p); |
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45 template <class T> void inline do_oop_work(T* p, |
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46 bool gc_barrier, |
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47 bool root_scan); |
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48 public: |
| 0 | 49 ParScanClosure(ParNewGeneration* g, ParScanThreadState* par_scan_state); |
| 50 }; | |
| 51 | |
| 52 class ParScanWithBarrierClosure: public ParScanClosure { | |
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53 public: |
| 0 | 54 ParScanWithBarrierClosure(ParNewGeneration* g, |
| 55 ParScanThreadState* par_scan_state) : | |
| 56 ParScanClosure(g, par_scan_state) {} | |
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57 virtual void do_oop(oop* p); |
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58 virtual void do_oop(narrowOop* p); |
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59 inline void do_oop_nv(oop* p); |
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60 inline void do_oop_nv(narrowOop* p); |
| 0 | 61 }; |
| 62 | |
| 63 class ParScanWithoutBarrierClosure: public ParScanClosure { | |
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64 public: |
| 0 | 65 ParScanWithoutBarrierClosure(ParNewGeneration* g, |
| 66 ParScanThreadState* par_scan_state) : | |
| 67 ParScanClosure(g, par_scan_state) {} | |
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68 virtual void do_oop(oop* p); |
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69 virtual void do_oop(narrowOop* p); |
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70 inline void do_oop_nv(oop* p); |
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71 inline void do_oop_nv(narrowOop* p); |
| 0 | 72 }; |
| 73 | |
| 74 class ParRootScanWithBarrierTwoGensClosure: public ParScanClosure { | |
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75 public: |
| 0 | 76 ParRootScanWithBarrierTwoGensClosure(ParNewGeneration* g, |
| 77 ParScanThreadState* par_scan_state) : | |
| 78 ParScanClosure(g, par_scan_state) {} | |
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79 virtual void do_oop(oop* p); |
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80 virtual void do_oop(narrowOop* p); |
| 0 | 81 }; |
| 82 | |
| 83 class ParRootScanWithoutBarrierClosure: public ParScanClosure { | |
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84 public: |
| 0 | 85 ParRootScanWithoutBarrierClosure(ParNewGeneration* g, |
| 86 ParScanThreadState* par_scan_state) : | |
| 87 ParScanClosure(g, par_scan_state) {} | |
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88 virtual void do_oop(oop* p); |
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89 virtual void do_oop(narrowOop* p); |
| 0 | 90 }; |
| 91 | |
| 92 class ParScanWeakRefClosure: public ScanWeakRefClosure { | |
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93 protected: |
| 0 | 94 ParScanThreadState* _par_scan_state; |
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95 template <class T> inline void do_oop_work(T* p); |
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96 public: |
| 0 | 97 ParScanWeakRefClosure(ParNewGeneration* g, |
| 98 ParScanThreadState* par_scan_state); | |
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99 virtual void do_oop(oop* p); |
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100 virtual void do_oop(narrowOop* p); |
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101 inline void do_oop_nv(oop* p); |
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102 inline void do_oop_nv(narrowOop* p); |
| 0 | 103 }; |
| 104 | |
| 105 class ParEvacuateFollowersClosure: public VoidClosure { | |
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106 private: |
| 0 | 107 ParScanThreadState* _par_scan_state; |
| 108 ParScanThreadState* par_scan_state() { return _par_scan_state; } | |
| 109 | |
| 110 // We want to preserve the specific types here (rather than "OopClosure") | |
| 111 // for later de-virtualization of do_oop calls. | |
| 112 ParScanWithoutBarrierClosure* _to_space_closure; | |
| 113 ParScanWithoutBarrierClosure* to_space_closure() { | |
| 114 return _to_space_closure; | |
| 115 } | |
| 116 ParRootScanWithoutBarrierClosure* _to_space_root_closure; | |
| 117 ParRootScanWithoutBarrierClosure* to_space_root_closure() { | |
| 118 return _to_space_root_closure; | |
| 119 } | |
| 120 | |
| 121 ParScanWithBarrierClosure* _old_gen_closure; | |
| 122 ParScanWithBarrierClosure* old_gen_closure () { | |
| 123 return _old_gen_closure; | |
| 124 } | |
| 125 ParRootScanWithBarrierTwoGensClosure* _old_gen_root_closure; | |
| 126 ParRootScanWithBarrierTwoGensClosure* old_gen_root_closure () { | |
| 127 return _old_gen_root_closure; | |
| 128 } | |
| 129 | |
| 130 ParNewGeneration* _par_gen; | |
| 131 ParNewGeneration* par_gen() { return _par_gen; } | |
| 132 | |
| 133 ObjToScanQueueSet* _task_queues; | |
| 134 ObjToScanQueueSet* task_queues() { return _task_queues; } | |
| 135 | |
| 136 ParallelTaskTerminator* _terminator; | |
| 137 ParallelTaskTerminator* terminator() { return _terminator; } | |
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138 public: |
| 0 | 139 ParEvacuateFollowersClosure( |
| 140 ParScanThreadState* par_scan_state_, | |
| 141 ParScanWithoutBarrierClosure* to_space_closure_, | |
| 142 ParScanWithBarrierClosure* old_gen_closure_, | |
| 143 ParRootScanWithoutBarrierClosure* to_space_root_closure_, | |
| 144 ParNewGeneration* par_gen_, | |
| 145 ParRootScanWithBarrierTwoGensClosure* old_gen_root_closure_, | |
| 146 ObjToScanQueueSet* task_queues_, | |
| 147 ParallelTaskTerminator* terminator_); | |
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148 virtual void do_void(); |
| 0 | 149 }; |
| 1972 | 150 |
| 151 #endif // SHARE_VM_GC_IMPLEMENTATION_PARNEW_PAROOPCLOSURES_HPP |