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decoupled Graal runtime initialization and Graal compilation queue initialization
author Doug Simon <doug.simon@oracle.com>
date Tue, 03 Jun 2014 11:51:27 +0200
parents 063ec2920d21
children d32be0297274
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1 /*
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2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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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.
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22 */
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24 #ifndef SHARE_VM_GRAAL_GRAAL_COMPILER_HPP
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25 #define SHARE_VM_GRAAL_GRAAL_COMPILER_HPP
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26
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27 #include "compiler/abstractCompiler.hpp"
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29 class GraalCompiler : public AbstractCompiler {
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31 private:
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32
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33 #ifdef COMPILERGRAAL
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34 bool _bootstrapping;
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35
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36 void start_compilation_queue();
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37 void shutdown_compilation_queue();
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38 void bootstrap();
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39 #endif
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40
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41 static GraalCompiler* _instance;
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42
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43 public:
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44
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45 GraalCompiler();
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47 static GraalCompiler* instance() { return _instance; }
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48
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49 virtual const char* name() { return "Graal"; }
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51 virtual bool supports_native() { return true; }
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52 virtual bool supports_osr () { return true; }
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53
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54 bool is_graal() { return true; }
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55 bool is_c1 () { return false; }
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56 bool is_c2 () { return false; }
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57
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58 bool needs_stubs () { return false; }
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59
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60 // Initialization
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61 virtual void initialize();
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62
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63 #ifdef COMPILERGRAAL
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64 // Compilation entry point for methods
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65 virtual void compile_method(ciEnv* env, ciMethod* target, int entry_bci);
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67 void compile_method(methodHandle target, int entry_bci, CompileTask* task, jboolean blocking);
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68
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69 // Print compilation timers and statistics
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70 virtual void print_timers();
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71
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72 // Print compilation statistics
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73 void reset_compilation_stats();
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74
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75 void shutdown();
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76 #endif // COMPILERGRAAL
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77
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78 #ifndef PRODUCT
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79 void compile_the_world();
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80 #endif
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81 };
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83 #ifdef COMPILERGRAAL
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84 /**
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85 * Creates a scope in which scheduling a Graal compilation is disabled.
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86 * Scheduling a compilation can happen anywhere a counter can overflow and
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87 * calling back into the Java code for scheduling a compilation (i.e.,
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88 * CompilationTask.compileMetaspaceMethod()) from such arbitrary locations
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89 * can cause objects to be in an unexpected state.
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90 *
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91 * In addition, it can be useful to disable compilation scheduling in
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92 * other circumstances such as when initializing the Graal compilation
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93 * queue or when running the Graal bootstrap process.
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94 */
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95 class NoGraalCompilationScheduling: public StackObj {
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96 private:
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97 JavaThread* _thread;
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98 public:
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99
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100 NoGraalCompilationScheduling(JavaThread *thread) {
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101 assert(thread == JavaThread::current(), "not the current thread");
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102 assert(thread->can_schedule_graal_compilation(), "recursive Graal compilation scheduling");
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103 _thread = thread;
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104 thread->set_can_schedule_graal_compilation(false);
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105 }
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106
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107 ~NoGraalCompilationScheduling() {
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108 assert(!_thread->can_schedule_graal_compilation(), "unexpected Graal compilation scheduling state");
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109 _thread->set_can_schedule_graal_compilation(true);
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110 }
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111 };
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112 #endif // COMPILERGRAAL
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113
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114 #endif // SHARE_VM_GRAAL_GRAAL_COMPILER_HPP