Mercurial > jdk8-mips64-public > hotspot / annotate
src/share/vm/ci/ciConstantPoolCache.hpp@01522ca68fc7 (annotated)
src/share/vm/ci/ciConstantPoolCache.hpp
Tue, 18 Jun 2013 12:31:07 -0700
- author
- johnc
- date
- Tue, 18 Jun 2013 12:31:07 -0700
- changeset 5277
- 01522ca68fc7
- parent 4037
- da91efe96a93
- child 6876
- 710a3c8b516e
- permissions
- -rw-r--r--
8015237: Parallelize string table scanning during strong root processing
Summary: Parallelize the scanning of the intern string table by having each GC worker claim a given number of buckets. Changes were also reviewed by Per Liden <per.liden@oracle.com>.
Reviewed-by: tschatzl, stefank, twisti
| duke@435 | 1 | /* |
| coleenp@4037 | 2 | * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved. |
| duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| duke@435 | 4 | * |
| duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
| duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| duke@435 | 7 | * published by the Free Software Foundation. |
| duke@435 | 8 | * |
| duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| duke@435 | 13 | * accompanied this code). |
| duke@435 | 14 | * |
| duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
| duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| duke@435 | 18 | * |
| trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
| trims@1907 | 21 | * questions. |
| duke@435 | 22 | * |
| duke@435 | 23 | */ |
| duke@435 | 24 | |
| stefank@2314 | 25 | #ifndef SHARE_VM_CI_CICONSTANTPOOLCACHE_HPP |
| stefank@2314 | 26 | #define SHARE_VM_CI_CICONSTANTPOOLCACHE_HPP |
| stefank@2314 | 27 | |
| stefank@2314 | 28 | #include "memory/resourceArea.hpp" |
| stefank@2314 | 29 | #include "utilities/growableArray.hpp" |
| stefank@2314 | 30 | |
| duke@435 | 31 | // ciConstantPoolCache |
| duke@435 | 32 | // |
| duke@435 | 33 | // The class caches indexed constant pool lookups. |
| duke@435 | 34 | // |
| coleenp@4037 | 35 | // Usage note: this klass has nothing to do with ConstantPoolCache*. |
| duke@435 | 36 | class ciConstantPoolCache : public ResourceObj { |
| duke@435 | 37 | private: |
| duke@435 | 38 | GrowableArray<intptr_t>* _keys; |
| duke@435 | 39 | GrowableArray<void*>* _elements; |
| duke@435 | 40 | |
| duke@435 | 41 | int find(int index); |
| duke@435 | 42 | |
| duke@435 | 43 | public: |
| duke@435 | 44 | ciConstantPoolCache(Arena* arena, int expected_size); |
| duke@435 | 45 | |
| duke@435 | 46 | // Get the element associated with some index. |
| duke@435 | 47 | void* get(int index); |
| duke@435 | 48 | |
| duke@435 | 49 | // Associate an element with an index. |
| duke@435 | 50 | void insert(int index, void* element); |
| duke@435 | 51 | |
| duke@435 | 52 | void print(); |
| duke@435 | 53 | }; |
| stefank@2314 | 54 | |
| stefank@2314 | 55 | #endif // SHARE_VM_CI_CICONSTANTPOOLCACHE_HPP |
