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annotate src/cpu/sparc/vm/c2_globals_sparc.hpp @ 1669:cc3fdfeb54b0 hs19-b05
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author | trims |
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date | Thu, 29 Jul 2010 23:14:56 -0700 |
parents | c18cbe5936b8 |
children | d5d065957597 |
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0 | 1 /* |
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2 * Copyright (c) 2000, 2007, Oracle and/or its affiliates. All rights reserved. |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 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, CICompileOSR, true); | |
30 define_pd_global(bool, InlineIntrinsics, false); | |
31 define_pd_global(bool, PreferInterpreterNativeStubs, false); | |
32 define_pd_global(bool, ProfileTraps, true); | |
33 define_pd_global(bool, UseOnStackReplacement, true); | |
34 #ifdef CC_INTERP | |
35 define_pd_global(bool, ProfileInterpreter, false); | |
36 #else | |
37 define_pd_global(bool, ProfileInterpreter, true); | |
38 #endif // CC_INTERP | |
39 define_pd_global(bool, TieredCompilation, false); | |
40 #ifdef TIERED | |
41 define_pd_global(intx, CompileThreshold, 1000); | |
42 define_pd_global(intx, BackEdgeThreshold, 14000); | |
43 #else | |
44 define_pd_global(intx, CompileThreshold, 10000); | |
45 define_pd_global(intx, BackEdgeThreshold, 140000); | |
46 #endif // TIERED | |
47 | |
48 define_pd_global(intx, Tier2CompileThreshold, 10000); // unused level | |
49 define_pd_global(intx, Tier3CompileThreshold, 10000); | |
50 define_pd_global(intx, Tier4CompileThreshold, 40000); | |
51 | |
52 define_pd_global(intx, Tier2BackEdgeThreshold, 100000); | |
53 define_pd_global(intx, Tier3BackEdgeThreshold, 100000); | |
54 define_pd_global(intx, Tier4BackEdgeThreshold, 100000); | |
55 | |
56 define_pd_global(intx, OnStackReplacePercentage, 140); | |
57 define_pd_global(intx, ConditionalMoveLimit, 4); | |
58 define_pd_global(intx, FLOATPRESSURE, 52); // C2 on V9 gets to use all the float/double registers | |
59 define_pd_global(intx, FreqInlineSize, 175); | |
60 define_pd_global(intx, INTPRESSURE, 48); // large register set | |
61 define_pd_global(intx, InteriorEntryAlignment, 16); // = CodeEntryAlignment | |
62 define_pd_global(intx, NewSizeThreadIncrease, ScaleForWordSize(4*K)); | |
63 define_pd_global(intx, RegisterCostAreaRatio, 12000); | |
64 define_pd_global(bool, UseTLAB, true); | |
65 define_pd_global(bool, ResizeTLAB, true); | |
66 define_pd_global(intx, LoopUnrollLimit, 60); // Design center runs on 1.3.1 | |
67 | |
68 // Peephole and CISC spilling both break the graph, and so makes the | |
69 // scheduler sick. | |
70 define_pd_global(bool, OptoPeephole, false); | |
71 define_pd_global(bool, UseCISCSpill, false); | |
72 define_pd_global(bool, OptoBundling, false); | |
73 define_pd_global(bool, OptoScheduling, true); | |
74 | |
75 #ifdef _LP64 | |
76 // We need to make sure that all generated code is within | |
77 // 2 gigs of the libjvm.so runtime routines so we can use | |
78 // the faster "call" instruction rather than the expensive | |
79 // sequence of instructions to load a 64 bit pointer. | |
80 // | |
81 // InitialCodeCacheSize derived from specjbb2000 run. | |
1064 | 82 define_pd_global(intx, InitialCodeCacheSize, 2048*K); // Integral multiple of CodeCacheExpansionSize |
83 define_pd_global(intx, ReservedCodeCacheSize, 48*M); | |
84 define_pd_global(intx, CodeCacheExpansionSize, 64*K); | |
0 | 85 |
86 // Ergonomics related flags | |
1064 | 87 define_pd_global(uint64_t,MaxRAM, 128ULL*G); |
0 | 88 #else |
89 // InitialCodeCacheSize derived from specjbb2000 run. | |
1064 | 90 define_pd_global(intx, InitialCodeCacheSize, 1536*K); // Integral multiple of CodeCacheExpansionSize |
91 define_pd_global(intx, ReservedCodeCacheSize, 32*M); | |
92 define_pd_global(intx, CodeCacheExpansionSize, 32*K); | |
0 | 93 // Ergonomics related flags |
1064 | 94 define_pd_global(uint64_t,MaxRAM, 4ULL*G); |
0 | 95 #endif |
1064 | 96 define_pd_global(uintx,CodeCacheMinBlockLength, 4); |
0 | 97 |
98 // Heap related flags | |
1064 | 99 define_pd_global(uintx,PermSize, ScaleForWordSize(16*M)); |
100 define_pd_global(uintx,MaxPermSize, ScaleForWordSize(64*M)); | |
0 | 101 |
102 // Ergonomics related flags | |
103 define_pd_global(bool, NeverActAsServerClassMachine, false); |