| /* |
| * Copyright 2000-2007 Sun Microsystems, Inc. All Rights Reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| * |
| */ |
| |
| // Sets the default values for platform dependent flags used by the server compiler. |
| // (see c2_globals.hpp). Alpha-sorted. |
| |
| define_pd_global(bool, BackgroundCompilation, true); |
| define_pd_global(bool, CICompileOSR, true); |
| define_pd_global(bool, InlineIntrinsics, false); |
| define_pd_global(bool, PreferInterpreterNativeStubs, false); |
| define_pd_global(bool, ProfileTraps, true); |
| define_pd_global(bool, UseOnStackReplacement, true); |
| #ifdef CC_INTERP |
| define_pd_global(bool, ProfileInterpreter, false); |
| #else |
| define_pd_global(bool, ProfileInterpreter, true); |
| #endif // CC_INTERP |
| define_pd_global(bool, TieredCompilation, false); |
| #ifdef TIERED |
| define_pd_global(intx, CompileThreshold, 1000); |
| define_pd_global(intx, BackEdgeThreshold, 14000); |
| #else |
| define_pd_global(intx, CompileThreshold, 10000); |
| define_pd_global(intx, BackEdgeThreshold, 140000); |
| #endif // TIERED |
| |
| define_pd_global(intx, Tier2CompileThreshold, 10000); // unused level |
| define_pd_global(intx, Tier3CompileThreshold, 10000); |
| define_pd_global(intx, Tier4CompileThreshold, 40000); |
| |
| define_pd_global(intx, Tier2BackEdgeThreshold, 100000); |
| define_pd_global(intx, Tier3BackEdgeThreshold, 100000); |
| define_pd_global(intx, Tier4BackEdgeThreshold, 100000); |
| |
| define_pd_global(intx, OnStackReplacePercentage, 140); |
| define_pd_global(intx, ConditionalMoveLimit, 4); |
| define_pd_global(intx, FLOATPRESSURE, 52); // C2 on V9 gets to use all the float/double registers |
| define_pd_global(intx, FreqInlineSize, 175); |
| define_pd_global(intx, INTPRESSURE, 48); // large register set |
| define_pd_global(intx, InteriorEntryAlignment, 16); // = CodeEntryAlignment |
| define_pd_global(intx, NewRatio, 2); |
| define_pd_global(intx, NewSizeThreadIncrease, ScaleForWordSize(4*K)); |
| // The default setting 16/16 seems to work best. |
| // (For _228_jack 16/16 is 2% better than 4/4, 16/4, 32/32, 32/16, or 16/32.) |
| define_pd_global(intx, OptoLoopAlignment, 16); // = 4*wordSize |
| define_pd_global(intx, RegisterCostAreaRatio, 12000); |
| define_pd_global(bool, UseTLAB, true); |
| define_pd_global(bool, ResizeTLAB, true); |
| define_pd_global(intx, LoopUnrollLimit, 60); // Design center runs on 1.3.1 |
| |
| // Peephole and CISC spilling both break the graph, and so makes the |
| // scheduler sick. |
| define_pd_global(bool, OptoPeephole, false); |
| define_pd_global(bool, UseCISCSpill, false); |
| define_pd_global(bool, OptoBundling, false); |
| define_pd_global(bool, OptoScheduling, true); |
| |
| #ifdef _LP64 |
| // We need to make sure that all generated code is within |
| // 2 gigs of the libjvm.so runtime routines so we can use |
| // the faster "call" instruction rather than the expensive |
| // sequence of instructions to load a 64 bit pointer. |
| // |
| // InitialCodeCacheSize derived from specjbb2000 run. |
| define_pd_global(intx, InitialCodeCacheSize, 2048*K); // Integral multiple of CodeCacheExpansionSize |
| define_pd_global(intx, ReservedCodeCacheSize, 48*M); |
| define_pd_global(intx, CodeCacheExpansionSize, 64*K); |
| |
| // Ergonomics related flags |
| define_pd_global(uintx, DefaultMaxRAM, 32*G); |
| #else |
| // InitialCodeCacheSize derived from specjbb2000 run. |
| define_pd_global(intx, InitialCodeCacheSize, 1536*K); // Integral multiple of CodeCacheExpansionSize |
| define_pd_global(intx, ReservedCodeCacheSize, 32*M); |
| define_pd_global(intx, CodeCacheExpansionSize, 32*K); |
| // Ergonomics related flags |
| define_pd_global(uintx, DefaultMaxRAM, 1*G); |
| #endif |
| define_pd_global(uintx,CodeCacheMinBlockLength, 4); |
| |
| // Heap related flags |
| define_pd_global(uintx, PermSize, ScaleForWordSize(16*M)); |
| define_pd_global(uintx, MaxPermSize, ScaleForWordSize(64*M)); |
| |
| // Ergonomics related flags |
| define_pd_global(bool, NeverActAsServerClassMachine, false); |
