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comparison src/cpu/x86/vm/c2_globals_x86.hpp @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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1 /*
2 * Copyright 2000-2007 Sun Microsystems, Inc. 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 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 //
26 // Sets the default values for platform dependent flags used by the server compiler.
27 // (see c2_globals.hpp). Alpha-sorted.
28
29 define_pd_global(bool, BackgroundCompilation, true);
30 define_pd_global(bool, UseTLAB, true);
31 define_pd_global(bool, ResizeTLAB, true);
32 define_pd_global(bool, CICompileOSR, true);
33 define_pd_global(bool, InlineIntrinsics, true);
34 define_pd_global(bool, PreferInterpreterNativeStubs, false);
35 define_pd_global(bool, ProfileTraps, true);
36 define_pd_global(bool, UseOnStackReplacement, true);
37 #ifdef CC_INTERP
38 define_pd_global(bool, ProfileInterpreter, false);
39 #else
40 define_pd_global(bool, ProfileInterpreter, true);
41 #endif // CC_INTERP
42 define_pd_global(bool, TieredCompilation, false);
43 #ifdef TIERED
44 define_pd_global(intx, CompileThreshold, 1000);
45 #else
46 define_pd_global(intx, CompileThreshold, 10000);
47 #endif // TIERED
48 define_pd_global(intx, Tier2CompileThreshold, 10000);
49 define_pd_global(intx, Tier3CompileThreshold, 20000 );
50 define_pd_global(intx, Tier4CompileThreshold, 40000 );
51
52 define_pd_global(intx, BackEdgeThreshold, 100000);
53 define_pd_global(intx, Tier2BackEdgeThreshold, 100000);
54 define_pd_global(intx, Tier3BackEdgeThreshold, 100000);
55 define_pd_global(intx, Tier4BackEdgeThreshold, 100000);
56
57 define_pd_global(intx, OnStackReplacePercentage, 140);
58 define_pd_global(intx, ConditionalMoveLimit, 3);
59 define_pd_global(intx, FLOATPRESSURE, 6);
60 define_pd_global(intx, FreqInlineSize, 325);
61 #ifdef AMD64
62 define_pd_global(intx, INTPRESSURE, 13);
63 define_pd_global(intx, InteriorEntryAlignment, 16);
64 define_pd_global(intx, NewRatio, 2);
65 define_pd_global(intx, NewSizeThreadIncrease, ScaleForWordSize(4*K));
66 define_pd_global(intx, LoopUnrollLimit, 60);
67 // InitialCodeCacheSize derived from specjbb2000 run.
68 define_pd_global(intx, InitialCodeCacheSize, 2496*K); // Integral multiple of CodeCacheExpansionSize
69 define_pd_global(intx, CodeCacheExpansionSize, 64*K);
70
71 // Ergonomics related flags
72 define_pd_global(uintx, DefaultMaxRAM, 32*G);
73 #else
74 define_pd_global(intx, INTPRESSURE, 6);
75 define_pd_global(intx, InteriorEntryAlignment, 4);
76 define_pd_global(intx, NewRatio, 8); // Design center runs on 1.3.1
77 define_pd_global(intx, NewSizeThreadIncrease, 4*K);
78 define_pd_global(intx, LoopUnrollLimit, 50); // Design center runs on 1.3.1
79 // InitialCodeCacheSize derived from specjbb2000 run.
80 define_pd_global(intx, InitialCodeCacheSize, 2304*K); // Integral multiple of CodeCacheExpansionSize
81 define_pd_global(intx, CodeCacheExpansionSize, 32*K);
82
83 // Ergonomics related flags
84 define_pd_global(uintx, DefaultMaxRAM, 1*G);
85 #endif // AMD64
86 define_pd_global(intx, OptoLoopAlignment, 16);
87 define_pd_global(intx, RegisterCostAreaRatio, 16000);
88
89 // Peephole and CISC spilling both break the graph, and so makes the
90 // scheduler sick.
91 define_pd_global(bool, OptoPeephole, true);
92 define_pd_global(bool, UseCISCSpill, true);
93 define_pd_global(bool, OptoScheduling, false);
94 define_pd_global(bool, OptoBundling, false);
95
96 define_pd_global(intx, ReservedCodeCacheSize, 48*M);
97 define_pd_global(uintx,CodeCacheMinBlockLength, 4);
98
99 // Heap related flags
100 define_pd_global(uintx, PermSize, ScaleForWordSize(16*M));
101 define_pd_global(uintx, MaxPermSize, ScaleForWordSize(64*M));
102
103 // Ergonomics related flags
104 define_pd_global(bool, NeverActAsServerClassMachine, false);