1 /* 2 * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 // Sets the default values for platform dependent flags used by the server compiler. 26 // (see c2_globals.hpp). Alpha-sorted. 27 28 define_pd_global(bool, BackgroundCompilation, true); 29 define_pd_global(bool, UseTLAB, true); 30 define_pd_global(bool, ResizeTLAB, true); 31 define_pd_global(bool, CICompileOSR, true); 32 define_pd_global(bool, InlineIntrinsics, true); 33 define_pd_global(bool, PreferInterpreterNativeStubs, false); 34 define_pd_global(bool, ProfileTraps, true); 35 define_pd_global(bool, UseOnStackReplacement, true); 36 #ifdef CC_INTERP 37 define_pd_global(bool, ProfileInterpreter, false); 38 #else 39 define_pd_global(bool, ProfileInterpreter, true); 40 #endif // CC_INTERP 41 define_pd_global(bool, TieredCompilation, false); 42 define_pd_global(intx, CompileThreshold, 10000); 43 define_pd_global(intx, BackEdgeThreshold, 100000); 44 45 define_pd_global(intx, OnStackReplacePercentage, 140); 46 define_pd_global(intx, ConditionalMoveLimit, 3); 47 define_pd_global(intx, FLOATPRESSURE, 6); 48 define_pd_global(intx, FreqInlineSize, 325); 49 #ifdef AMD64 50 define_pd_global(intx, INTPRESSURE, 13); 51 define_pd_global(intx, InteriorEntryAlignment, 16); 52 define_pd_global(intx, NewSizeThreadIncrease, ScaleForWordSize(4*K)); 53 define_pd_global(intx, LoopUnrollLimit, 60); 54 // InitialCodeCacheSize derived from specjbb2000 run. 55 define_pd_global(intx, InitialCodeCacheSize, 2496*K); // Integral multiple of CodeCacheExpansionSize 56 define_pd_global(intx, CodeCacheExpansionSize, 64*K); 57 58 // Ergonomics related flags 59 define_pd_global(uint64_t,MaxRAM, 128ULL*G); 60 #else 61 define_pd_global(intx, INTPRESSURE, 6); 62 define_pd_global(intx, InteriorEntryAlignment, 4); 63 define_pd_global(intx, NewSizeThreadIncrease, 4*K); 64 define_pd_global(intx, LoopUnrollLimit, 50); // Design center runs on 1.3.1 65 // InitialCodeCacheSize derived from specjbb2000 run. 66 define_pd_global(intx, InitialCodeCacheSize, 2304*K); // Integral multiple of CodeCacheExpansionSize 67 define_pd_global(intx, CodeCacheExpansionSize, 32*K); 68 69 // Ergonomics related flags 70 define_pd_global(uint64_t,MaxRAM, 4ULL*G); 71 #endif // AMD64 72 define_pd_global(intx, RegisterCostAreaRatio, 16000); 73 74 // Peephole and CISC spilling both break the graph, and so makes the 75 // scheduler sick. 76 define_pd_global(bool, OptoPeephole, true); 77 define_pd_global(bool, UseCISCSpill, true); 78 define_pd_global(bool, OptoScheduling, false); 79 define_pd_global(bool, OptoBundling, false); 80 81 define_pd_global(intx, ReservedCodeCacheSize, 48*M); 82 define_pd_global(uintx,CodeCacheMinBlockLength, 4); 83 84 // Heap related flags 85 define_pd_global(uintx,PermSize, ScaleForWordSize(16*M)); 86 define_pd_global(uintx,MaxPermSize, ScaleForWordSize(64*M)); 87 88 // Ergonomics related flags 89 define_pd_global(bool, NeverActAsServerClassMachine, false);