src/cpu/sparc/vm/c2_globals_sparc.hpp

Fri, 03 Sep 2010 17:51:07 -0700

author
iveresov
date
Fri, 03 Sep 2010 17:51:07 -0700
changeset 2138
d5d065957597
parent 1907
c18cbe5936b8
child 2314
f95d63e2154a
permissions
-rw-r--r--

6953144: Tiered compilation
Summary: Infrastructure for tiered compilation support (interpreter + c1 + c2) for 32 and 64 bit. Simple tiered policy implementation.
Reviewed-by: kvn, never, phh, twisti

     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  */
    25 // Sets the default values for platform dependent flags used by the server compiler.
    26 // (see c2_globals.hpp).  Alpha-sorted.
    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 define_pd_global(intx, CompileThreshold,             10000);
    41 define_pd_global(intx, BackEdgeThreshold,            140000);
    43 define_pd_global(intx, OnStackReplacePercentage,     140);
    44 define_pd_global(intx, ConditionalMoveLimit,         4);
    45 define_pd_global(intx, FLOATPRESSURE,                52);  // C2 on V9 gets to use all the float/double registers
    46 define_pd_global(intx, FreqInlineSize,               175);
    47 define_pd_global(intx, INTPRESSURE,                  48);  // large register set
    48 define_pd_global(intx, InteriorEntryAlignment,       16);  // = CodeEntryAlignment
    49 define_pd_global(intx, NewSizeThreadIncrease, ScaleForWordSize(4*K));
    50 define_pd_global(intx, RegisterCostAreaRatio,        12000);
    51 define_pd_global(bool, UseTLAB,                      true);
    52 define_pd_global(bool, ResizeTLAB,                   true);
    53 define_pd_global(intx, LoopUnrollLimit,              60); // Design center runs on 1.3.1
    55 // Peephole and CISC spilling both break the graph, and so makes the
    56 // scheduler sick.
    57 define_pd_global(bool, OptoPeephole,                 false);
    58 define_pd_global(bool, UseCISCSpill,                 false);
    59 define_pd_global(bool, OptoBundling,                 false);
    60 define_pd_global(bool, OptoScheduling,               true);
    62 #ifdef _LP64
    63 // We need to make sure that all generated code is within
    64 // 2 gigs of the libjvm.so runtime routines so we can use
    65 // the faster "call" instruction rather than the expensive
    66 // sequence of instructions to load a 64 bit pointer.
    67 //
    68 // InitialCodeCacheSize derived from specjbb2000 run.
    69 define_pd_global(intx, InitialCodeCacheSize,         2048*K); // Integral multiple of CodeCacheExpansionSize
    70 define_pd_global(intx, ReservedCodeCacheSize,        48*M);
    71 define_pd_global(intx, CodeCacheExpansionSize,       64*K);
    73 // Ergonomics related flags
    74 define_pd_global(uint64_t,MaxRAM,                    128ULL*G);
    75 #else
    76 // InitialCodeCacheSize derived from specjbb2000 run.
    77 define_pd_global(intx, InitialCodeCacheSize,         1536*K); // Integral multiple of CodeCacheExpansionSize
    78 define_pd_global(intx, ReservedCodeCacheSize,        32*M);
    79 define_pd_global(intx, CodeCacheExpansionSize,       32*K);
    80 // Ergonomics related flags
    81 define_pd_global(uint64_t,MaxRAM,                    4ULL*G);
    82 #endif
    83 define_pd_global(uintx,CodeCacheMinBlockLength,      4);
    85 // Heap related flags
    86 define_pd_global(uintx,PermSize,    ScaleForWordSize(16*M));
    87 define_pd_global(uintx,MaxPermSize, ScaleForWordSize(64*M));
    89 // Ergonomics related flags
    90 define_pd_global(bool, NeverActAsServerClassMachine, false);

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