Mercurial > hg > truffle
annotate src/share/vm/gc_implementation/parallelScavenge/generationSizer.hpp @ 196:d1605aabd0a1 jdk7-b30
6719955: Update copyright year
Summary: Update copyright year for files that have been modified in 2008
Reviewed-by: ohair, tbell
| author | xdono |
|---|---|
| date | Wed, 02 Jul 2008 12:55:16 -0700 |
| parents | 28372612af5e |
| children | c18cbe5936b8 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 196 | 2 * Copyright 2001-2008 Sun Microsystems, Inc. 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 * | |
| 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 21 * have any questions. | |
| 22 * | |
| 23 */ | |
| 24 | |
| 25 // There is a nice batch of tested generation sizing code in | |
| 26 // TwoGenerationCollectorPolicy. Lets reuse it! | |
| 27 | |
| 28 class GenerationSizer : public TwoGenerationCollectorPolicy { | |
| 29 public: | |
| 30 GenerationSizer() { | |
| 31 // Partial init only! | |
| 32 initialize_flags(); | |
| 33 initialize_size_info(); | |
| 34 } | |
| 35 | |
| 36 void initialize_flags() { | |
| 37 // Do basic sizing work | |
| 38 this->TwoGenerationCollectorPolicy::initialize_flags(); | |
| 39 | |
| 40 // If the user hasn't explicitly set the number of worker | |
| 41 // threads, set the count. | |
|
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28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
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42 assert(UseSerialGC || |
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28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
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43 !FLAG_IS_DEFAULT(ParallelGCThreads) || |
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28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
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changeset
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44 (ParallelGCThreads > 0), |
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28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
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diff
changeset
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45 "ParallelGCThreads should be set before flag initialization"); |
| 0 | 46 |
| 47 // The survivor ratio's are calculated "raw", unlike the | |
| 48 // default gc, which adds 2 to the ratio value. We need to | |
| 49 // make sure the values are valid before using them. | |
| 50 if (MinSurvivorRatio < 3) { | |
| 51 MinSurvivorRatio = 3; | |
| 52 } | |
| 53 | |
| 54 if (InitialSurvivorRatio < 3) { | |
| 55 InitialSurvivorRatio = 3; | |
| 56 } | |
| 57 } | |
| 58 | |
| 59 size_t min_young_gen_size() { return _min_gen0_size; } | |
| 60 size_t young_gen_size() { return _initial_gen0_size; } | |
| 61 size_t max_young_gen_size() { return _max_gen0_size; } | |
| 62 | |
| 63 size_t min_old_gen_size() { return _min_gen1_size; } | |
| 64 size_t old_gen_size() { return _initial_gen1_size; } | |
| 65 size_t max_old_gen_size() { return _max_gen1_size; } | |
| 66 | |
| 67 size_t perm_gen_size() { return PermSize; } | |
| 68 size_t max_perm_gen_size() { return MaxPermSize; } | |
| 69 }; |