hotspot/src/cpu/x86/vm/c2_globals_x86.hpp
author phh
Wed, 28 Oct 2009 16:25:51 -0400
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permissions -rw-r--r--
6887571: Increase default heap config sizes Summary: Apply modification of existing server heap size ergo to all collectors except CMS. Reviewed-by: jmasa, ysr, xlu
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/*
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 * Copyright 2000-2007 Sun Microsystems, Inc.  All Rights Reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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 * CA 95054 USA or visit www.sun.com if you need additional information or
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 * have any questions.
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 *
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 */
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// Sets the default values for platform dependent flags used by the server compiler.
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// (see c2_globals.hpp).  Alpha-sorted.
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define_pd_global(bool, BackgroundCompilation,        true);
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define_pd_global(bool, UseTLAB,                      true);
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define_pd_global(bool, ResizeTLAB,                   true);
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define_pd_global(bool, CICompileOSR,                 true);
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define_pd_global(bool, InlineIntrinsics,             true);
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define_pd_global(bool, PreferInterpreterNativeStubs, false);
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define_pd_global(bool, ProfileTraps,                 true);
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define_pd_global(bool, UseOnStackReplacement,        true);
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#ifdef CC_INTERP
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define_pd_global(bool, ProfileInterpreter,           false);
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#else
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define_pd_global(bool, ProfileInterpreter,           true);
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#endif // CC_INTERP
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define_pd_global(bool, TieredCompilation,            false);
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#ifdef TIERED
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define_pd_global(intx, CompileThreshold,             1000);
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#else
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define_pd_global(intx, CompileThreshold,             10000);
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#endif // TIERED
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define_pd_global(intx, Tier2CompileThreshold,        10000);
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define_pd_global(intx, Tier3CompileThreshold,        20000);
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define_pd_global(intx, Tier4CompileThreshold,        40000);
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define_pd_global(intx, BackEdgeThreshold,            100000);
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define_pd_global(intx, Tier2BackEdgeThreshold,       100000);
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define_pd_global(intx, Tier3BackEdgeThreshold,       100000);
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define_pd_global(intx, Tier4BackEdgeThreshold,       100000);
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define_pd_global(intx, OnStackReplacePercentage,     140);
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define_pd_global(intx, ConditionalMoveLimit,         3);
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define_pd_global(intx, FLOATPRESSURE,                6);
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define_pd_global(intx, FreqInlineSize,               325);
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#ifdef AMD64
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define_pd_global(intx, INTPRESSURE,                  13);
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define_pd_global(intx, InteriorEntryAlignment,       16);
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define_pd_global(intx, NewSizeThreadIncrease, ScaleForWordSize(4*K));
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define_pd_global(intx, LoopUnrollLimit,              60);
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// InitialCodeCacheSize derived from specjbb2000 run.
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define_pd_global(intx, InitialCodeCacheSize,         2496*K); // Integral multiple of CodeCacheExpansionSize
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define_pd_global(intx, CodeCacheExpansionSize,       64*K);
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// Ergonomics related flags
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define_pd_global(uint64_t,MaxRAM,                    128ULL*G);
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#else
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define_pd_global(intx, INTPRESSURE,                  6);
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define_pd_global(intx, InteriorEntryAlignment,       4);
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define_pd_global(intx, NewSizeThreadIncrease,        4*K);
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define_pd_global(intx, LoopUnrollLimit,              50);     // Design center runs on 1.3.1
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// InitialCodeCacheSize derived from specjbb2000 run.
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define_pd_global(intx, InitialCodeCacheSize,         2304*K); // Integral multiple of CodeCacheExpansionSize
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define_pd_global(intx, CodeCacheExpansionSize,       32*K);
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// Ergonomics related flags
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define_pd_global(uint64_t,MaxRAM,                    4ULL*G);
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#endif // AMD64
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define_pd_global(intx, OptoLoopAlignment,            16);
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define_pd_global(intx, RegisterCostAreaRatio,        16000);
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// Peephole and CISC spilling both break the graph, and so makes the
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// scheduler sick.
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define_pd_global(bool, OptoPeephole,                 true);
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define_pd_global(bool, UseCISCSpill,                 true);
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define_pd_global(bool, OptoScheduling,               false);
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define_pd_global(bool, OptoBundling,                 false);
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define_pd_global(intx, ReservedCodeCacheSize,        48*M);
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define_pd_global(uintx,CodeCacheMinBlockLength,      4);
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// Heap related flags
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define_pd_global(uintx,PermSize,    ScaleForWordSize(16*M));
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define_pd_global(uintx,MaxPermSize, ScaleForWordSize(64*M));
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// Ergonomics related flags
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define_pd_global(bool, NeverActAsServerClassMachine, false);