src/share/vm/opto/phase.cpp

Mon, 27 Jan 2014 10:20:51 -0800

author
kvn
date
Mon, 27 Jan 2014 10:20:51 -0800
changeset 6293
2185d483f5f8
parent 6198
55fb97c4c58d
child 6503
a9becfeecd1b
permissions
-rw-r--r--

8032566: Crash in JIT when running Scala compiler (and compiling Scala std lib)
Summary: Switch off EliminateAutoBox flag by default in jdk8 release.
Reviewed-by: iveresov

duke@435 1 /*
mikael@6198 2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
duke@435 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435 4 *
duke@435 5 * This code is free software; you can redistribute it and/or modify it
duke@435 6 * under the terms of the GNU General Public License version 2 only, as
duke@435 7 * published by the Free Software Foundation.
duke@435 8 *
duke@435 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@435 13 * accompanied this code).
duke@435 14 *
duke@435 15 * You should have received a copy of the GNU General Public License version
duke@435 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@435 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435 18 *
trims@1907 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907 20 * or visit www.oracle.com if you need additional information or have any
trims@1907 21 * questions.
duke@435 22 *
duke@435 23 */
duke@435 24
stefank@2314 25 #include "precompiled.hpp"
stefank@2314 26 #include "code/nmethod.hpp"
stefank@2314 27 #include "compiler/compileBroker.hpp"
stefank@2314 28 #include "opto/compile.hpp"
stefank@2314 29 #include "opto/node.hpp"
stefank@2314 30 #include "opto/phase.hpp"
duke@435 31
duke@435 32 #ifndef PRODUCT
duke@435 33 int Phase::_total_bytes_compiled = 0;
duke@435 34
duke@435 35 elapsedTimer Phase::_t_totalCompilation;
duke@435 36 elapsedTimer Phase::_t_methodCompilation;
duke@435 37 elapsedTimer Phase::_t_stubCompilation;
duke@435 38 #endif
duke@435 39
duke@435 40 // The next timers used for LogCompilation
duke@435 41 elapsedTimer Phase::_t_parser;
duke@435 42 elapsedTimer Phase::_t_optimizer;
kvn@3651 43 elapsedTimer Phase::_t_escapeAnalysis;
kvn@3651 44 elapsedTimer Phase::_t_connectionGraph;
duke@435 45 elapsedTimer Phase::_t_idealLoop;
duke@435 46 elapsedTimer Phase::_t_ccp;
duke@435 47 elapsedTimer Phase::_t_matcher;
duke@435 48 elapsedTimer Phase::_t_registerAllocation;
duke@435 49 elapsedTimer Phase::_t_output;
duke@435 50
duke@435 51 #ifndef PRODUCT
duke@435 52 elapsedTimer Phase::_t_graphReshaping;
duke@435 53 elapsedTimer Phase::_t_scheduler;
rasbold@853 54 elapsedTimer Phase::_t_blockOrdering;
kvn@3651 55 elapsedTimer Phase::_t_macroEliminate;
duke@435 56 elapsedTimer Phase::_t_macroExpand;
duke@435 57 elapsedTimer Phase::_t_peephole;
duke@435 58 elapsedTimer Phase::_t_codeGeneration;
duke@435 59 elapsedTimer Phase::_t_registerMethod;
duke@435 60 elapsedTimer Phase::_t_temporaryTimer1;
duke@435 61 elapsedTimer Phase::_t_temporaryTimer2;
never@1356 62 elapsedTimer Phase::_t_idealLoopVerify;
duke@435 63
duke@435 64 // Subtimers for _t_optimizer
duke@435 65 elapsedTimer Phase::_t_iterGVN;
duke@435 66 elapsedTimer Phase::_t_iterGVN2;
kvn@5110 67 elapsedTimer Phase::_t_incrInline;
duke@435 68
duke@435 69 // Subtimers for _t_registerAllocation
duke@435 70 elapsedTimer Phase::_t_ctorChaitin;
duke@435 71 elapsedTimer Phase::_t_buildIFGphysical;
duke@435 72 elapsedTimer Phase::_t_computeLive;
duke@435 73 elapsedTimer Phase::_t_regAllocSplit;
duke@435 74 elapsedTimer Phase::_t_postAllocCopyRemoval;
duke@435 75 elapsedTimer Phase::_t_fixupSpills;
duke@435 76
duke@435 77 // Subtimers for _t_output
duke@435 78 elapsedTimer Phase::_t_instrSched;
duke@435 79 elapsedTimer Phase::_t_buildOopMaps;
duke@435 80 #endif
duke@435 81
duke@435 82 //------------------------------Phase------------------------------------------
duke@435 83 Phase::Phase( PhaseNumber pnum ) : _pnum(pnum), C( pnum == Compiler ? NULL : Compile::current()) {
twisti@1040 84 // Poll for requests from shutdown mechanism to quiesce compiler (4448539, 4448544).
duke@435 85 // This is an effective place to poll, since the compiler is full of phases.
duke@435 86 // In particular, every inlining site uses a recursively created Parse phase.
duke@435 87 CompileBroker::maybe_block();
duke@435 88 }
duke@435 89
duke@435 90 #ifndef PRODUCT
duke@435 91 static const double minimum_reported_time = 0.0001; // seconds
duke@435 92 static const double expected_method_compile_coverage = 0.97; // %
duke@435 93 static const double minimum_meaningful_method_compile = 2.00; // seconds
duke@435 94
duke@435 95 void Phase::print_timers() {
duke@435 96 tty->print_cr ("Accumulated compiler times:");
duke@435 97 tty->print_cr ("---------------------------");
duke@435 98 tty->print_cr (" Total compilation: %3.3f sec.", Phase::_t_totalCompilation.seconds());
never@1356 99 tty->print (" method compilation : %3.3f sec", Phase::_t_methodCompilation.seconds());
duke@435 100 tty->print ("/%d bytes",_total_bytes_compiled);
duke@435 101 tty->print_cr (" (%3.0f bytes per sec) ", Phase::_total_bytes_compiled / Phase::_t_methodCompilation.seconds());
never@1356 102 tty->print_cr (" stub compilation : %3.3f sec.", Phase::_t_stubCompilation.seconds());
duke@435 103 tty->print_cr (" Phases:");
never@1356 104 tty->print_cr (" parse : %3.3f sec", Phase::_t_parser.seconds());
never@1356 105 tty->print_cr (" optimizer : %3.3f sec", Phase::_t_optimizer.seconds());
duke@435 106 if( Verbose || WizardMode ) {
kvn@2556 107 if (DoEscapeAnalysis) {
kvn@2556 108 // EA is part of Optimizer.
kvn@2556 109 tty->print_cr (" escape analysis: %3.3f sec", Phase::_t_escapeAnalysis.seconds());
kvn@3651 110 tty->print_cr (" connection graph: %3.3f sec", Phase::_t_connectionGraph.seconds());
kvn@3651 111 tty->print_cr (" macroEliminate : %3.3f sec", Phase::_t_macroEliminate.seconds());
kvn@2556 112 }
never@1356 113 tty->print_cr (" iterGVN : %3.3f sec", Phase::_t_iterGVN.seconds());
kvn@5110 114 tty->print_cr (" incrInline : %3.3f sec", Phase::_t_incrInline.seconds());
never@1356 115 tty->print_cr (" idealLoop : %3.3f sec", Phase::_t_idealLoop.seconds());
never@1356 116 tty->print_cr (" idealLoopVerify: %3.3f sec", Phase::_t_idealLoopVerify.seconds());
never@1356 117 tty->print_cr (" ccp : %3.3f sec", Phase::_t_ccp.seconds());
never@1356 118 tty->print_cr (" iterGVN2 : %3.3f sec", Phase::_t_iterGVN2.seconds());
kvn@2556 119 tty->print_cr (" macroExpand : %3.3f sec", Phase::_t_macroExpand.seconds());
never@1356 120 tty->print_cr (" graphReshape : %3.3f sec", Phase::_t_graphReshaping.seconds());
kvn@3651 121 double optimizer_subtotal = Phase::_t_iterGVN.seconds() + Phase::_t_iterGVN2.seconds() +
kvn@3651 122 Phase::_t_escapeAnalysis.seconds() + Phase::_t_macroEliminate.seconds() +
duke@435 123 Phase::_t_idealLoop.seconds() + Phase::_t_ccp.seconds() +
kvn@3651 124 Phase::_t_macroExpand.seconds() + Phase::_t_graphReshaping.seconds();
duke@435 125 double percent_of_optimizer = ((optimizer_subtotal == 0.0) ? 0.0 : (optimizer_subtotal / Phase::_t_optimizer.seconds() * 100.0));
never@1356 126 tty->print_cr (" subtotal : %3.3f sec, %3.2f %%", optimizer_subtotal, percent_of_optimizer);
duke@435 127 }
never@1356 128 tty->print_cr (" matcher : %3.3f sec", Phase::_t_matcher.seconds());
never@1356 129 tty->print_cr (" scheduler : %3.3f sec", Phase::_t_scheduler.seconds());
never@1356 130 tty->print_cr (" regalloc : %3.3f sec", Phase::_t_registerAllocation.seconds());
duke@435 131 if( Verbose || WizardMode ) {
never@1356 132 tty->print_cr (" ctorChaitin : %3.3f sec", Phase::_t_ctorChaitin.seconds());
never@1356 133 tty->print_cr (" buildIFG : %3.3f sec", Phase::_t_buildIFGphysical.seconds());
never@1356 134 tty->print_cr (" computeLive : %3.3f sec", Phase::_t_computeLive.seconds());
never@1356 135 tty->print_cr (" regAllocSplit : %3.3f sec", Phase::_t_regAllocSplit.seconds());
duke@435 136 tty->print_cr (" postAllocCopyRemoval: %3.3f sec", Phase::_t_postAllocCopyRemoval.seconds());
never@1356 137 tty->print_cr (" fixupSpills : %3.3f sec", Phase::_t_fixupSpills.seconds());
duke@435 138 double regalloc_subtotal = Phase::_t_ctorChaitin.seconds() +
duke@435 139 Phase::_t_buildIFGphysical.seconds() + Phase::_t_computeLive.seconds() +
duke@435 140 Phase::_t_regAllocSplit.seconds() + Phase::_t_fixupSpills.seconds() +
duke@435 141 Phase::_t_postAllocCopyRemoval.seconds();
duke@435 142 double percent_of_regalloc = ((regalloc_subtotal == 0.0) ? 0.0 : (regalloc_subtotal / Phase::_t_registerAllocation.seconds() * 100.0));
never@1356 143 tty->print_cr (" subtotal : %3.3f sec, %3.2f %%", regalloc_subtotal, percent_of_regalloc);
duke@435 144 }
never@1356 145 tty->print_cr (" blockOrdering : %3.3f sec", Phase::_t_blockOrdering.seconds());
never@1356 146 tty->print_cr (" peephole : %3.3f sec", Phase::_t_peephole.seconds());
never@1356 147 tty->print_cr (" codeGen : %3.3f sec", Phase::_t_codeGeneration.seconds());
never@1356 148 tty->print_cr (" install_code : %3.3f sec", Phase::_t_registerMethod.seconds());
never@1356 149 tty->print_cr (" -------------- : ----------");
duke@435 150 double phase_subtotal = Phase::_t_parser.seconds() +
duke@435 151 Phase::_t_optimizer.seconds() + Phase::_t_graphReshaping.seconds() +
duke@435 152 Phase::_t_matcher.seconds() + Phase::_t_scheduler.seconds() +
rasbold@853 153 Phase::_t_registerAllocation.seconds() + Phase::_t_blockOrdering.seconds() +
duke@435 154 Phase::_t_codeGeneration.seconds() + Phase::_t_registerMethod.seconds();
duke@435 155 double percent_of_method_compile = ((phase_subtotal == 0.0) ? 0.0 : phase_subtotal / Phase::_t_methodCompilation.seconds()) * 100.0;
duke@435 156 // counters inside Compile::CodeGen include time for adapters and stubs
duke@435 157 // so phase-total can be greater than 100%
never@1356 158 tty->print_cr (" total : %3.3f sec, %3.2f %%", phase_subtotal, percent_of_method_compile);
duke@435 159
duke@435 160 assert( percent_of_method_compile > expected_method_compile_coverage ||
duke@435 161 phase_subtotal < minimum_meaningful_method_compile,
duke@435 162 "Must account for method compilation");
duke@435 163
duke@435 164 if( Phase::_t_temporaryTimer1.seconds() > minimum_reported_time ) {
duke@435 165 tty->cr();
duke@435 166 tty->print_cr (" temporaryTimer1: %3.3f sec", Phase::_t_temporaryTimer1.seconds());
duke@435 167 }
duke@435 168 if( Phase::_t_temporaryTimer2.seconds() > minimum_reported_time ) {
duke@435 169 tty->cr();
duke@435 170 tty->print_cr (" temporaryTimer2: %3.3f sec", Phase::_t_temporaryTimer2.seconds());
duke@435 171 }
never@1356 172 tty->print_cr (" output : %3.3f sec", Phase::_t_output.seconds());
never@1356 173 tty->print_cr (" isched : %3.3f sec", Phase::_t_instrSched.seconds());
never@1356 174 tty->print_cr (" bldOopMaps : %3.3f sec", Phase::_t_buildOopMaps.seconds());
duke@435 175 }
duke@435 176 #endif

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