Mercurial > hg > graal-compiler
annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/CompilationTask.java @ 10056:a323a9e20f9d
Fixed a few race conditions in the compilation queue.
author | Christian Haeubl <haeubl@ssw.jku.at> |
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date | Fri, 14 Jun 2013 19:12:56 +0200 |
parents | 6e4b72bcc97f |
children | 25de9c96a032 |
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1 /* |
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2 * Copyright (c) 2012, 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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23 package com.oracle.graal.hotspot; |
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24 |
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compilation is explicitly given a CallingConvention for the graph being compiled instead of deriving it from a method
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25 import static com.oracle.graal.api.code.CodeUtil.*; |
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26 import static com.oracle.graal.nodes.StructuredGraph.*; |
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27 import static com.oracle.graal.phases.GraalOptions.*; |
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compile the intrinsic graph for a method if the method is scheduled for compilation (in addition to intrinsifiying it when it is called)
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28 |
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29 import java.lang.reflect.*; |
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30 import java.util.concurrent.*; |
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31 import java.util.concurrent.atomic.*; |
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32 |
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33 import com.oracle.graal.api.code.*; |
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34 import com.oracle.graal.api.code.CallingConvention.Type; |
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35 import com.oracle.graal.api.meta.*; |
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36 import com.oracle.graal.compiler.*; |
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37 import com.oracle.graal.debug.*; |
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added compilation rate measurements on top of existing metric/timer facility - enabled with -Dgraal.benchmark.compilation=true
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38 import com.oracle.graal.debug.internal.*; |
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fixed class initialization ordering issue; HotSpotOptions.<clinit> must not trigger initialization of other classes that depend on the effect of option setting in their <clinit>
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39 import com.oracle.graal.hotspot.bridge.*; |
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Renaming hotspot.ri => hotspot.meta.
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40 import com.oracle.graal.hotspot.meta.*; |
5138 | 41 import com.oracle.graal.nodes.*; |
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moved Replacements and MacroSubstitution from the graal.api.replacements project to graal.nodes project and reversed the dependency between these two projects (the latter now/again depends on the former)
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42 import com.oracle.graal.nodes.spi.*; |
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43 import com.oracle.graal.phases.*; |
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Drafted version of an inlining policy that uses the callee graph size as its metric.
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44 import com.oracle.graal.phases.common.*; |
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45 import com.oracle.graal.phases.tiers.*; |
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46 |
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47 public final class CompilationTask implements Runnable, Comparable<CompilationTask> { |
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48 |
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49 public static final ThreadLocal<Boolean> withinEnqueue = new ThreadLocal<Boolean>() { |
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50 |
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51 @Override |
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52 protected Boolean initialValue() { |
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53 return Boolean.valueOf(Thread.currentThread() instanceof CompilerThread); |
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54 } |
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55 }; |
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56 |
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57 private enum CompilationStatus { |
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58 Queued, Running, Canceled |
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59 } |
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60 |
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61 private final HotSpotGraalRuntime graalRuntime; |
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62 private final PhasePlan plan; |
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63 private final SuitesProvider suitesProvider; |
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64 private final OptimisticOptimizations optimisticOpts; |
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65 private final HotSpotResolvedJavaMethod method; |
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66 private final int entryBCI; |
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67 private final int id; |
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68 private final int priority; |
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69 private final AtomicInteger status; |
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70 |
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71 private StructuredGraph graph; |
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72 |
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73 public static CompilationTask create(HotSpotGraalRuntime graalRuntime, PhasePlan plan, OptimisticOptimizations optimisticOpts, HotSpotResolvedJavaMethod method, int entryBCI, int id, int priority) { |
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74 return new CompilationTask(graalRuntime, plan, optimisticOpts, method, entryBCI, id, priority); |
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75 } |
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76 |
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77 private CompilationTask(HotSpotGraalRuntime graalRuntime, PhasePlan plan, OptimisticOptimizations optimisticOpts, HotSpotResolvedJavaMethod method, int entryBCI, int id, int priority) { |
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78 this.graalRuntime = graalRuntime; |
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79 this.plan = plan; |
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80 this.suitesProvider = graalRuntime.getCapability(SuitesProvider.class); |
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81 this.method = method; |
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83 this.entryBCI = entryBCI; |
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84 this.id = id; |
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85 this.priority = priority; |
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86 this.status = new AtomicInteger(); |
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87 } |
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88 |
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89 public ResolvedJavaMethod getMethod() { |
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90 return method; |
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91 } |
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92 |
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93 public int getPriority() { |
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94 return priority; |
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95 } |
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96 |
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97 public boolean tryToCancel() { |
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98 return tryToChangeStatus(CompilationStatus.Queued, CompilationStatus.Canceled); |
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99 } |
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100 |
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101 public int getEntryBCI() { |
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102 return entryBCI; |
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103 } |
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104 |
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105 public void run() { |
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106 withinEnqueue.set(Boolean.FALSE); |
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107 try { |
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108 if (!tryToChangeStatus(CompilationStatus.Queued, CompilationStatus.Running)) { |
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109 return; |
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110 } |
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111 if (DynamicCompilePriority.getValue()) { |
9920
44fcf49b746f
fixed class initialization ordering issue; HotSpotOptions.<clinit> must not trigger initialization of other classes that depend on the effect of option setting in their <clinit>
Doug Simon <doug.simon@oracle.com>
parents:
9914
diff
changeset
|
112 int threadPriority = priority < VMToCompilerImpl.SlowQueueCutoff.getValue() ? Thread.NORM_PRIORITY : Thread.MIN_PRIORITY; |
5183
e1e681a5558e
fix PriorityQueue, enable PriorityQueue and CacheGraphs
Lukas Stadler <lukas.stadler@jku.at>
parents:
5177
diff
changeset
|
113 if (Thread.currentThread().getPriority() != threadPriority) { |
e1e681a5558e
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parents:
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|
114 Thread.currentThread().setPriority(threadPriority); |
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115 } |
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116 } |
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changeset
|
117 runCompilation(); |
8525
54f0a88e4523
Be a little bit more careful around compilation task queuing
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
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diff
changeset
|
118 } finally { |
54f0a88e4523
Be a little bit more careful around compilation task queuing
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parents:
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changeset
|
119 if (method.currentTask() == this) { |
5183
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parents:
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120 method.setCurrentTask(null); |
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121 } |
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|
122 withinEnqueue.set(Boolean.TRUE); |
5176
af59b4dfc9e4
compilation queue changes:
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parents:
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|
123 } |
5183
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parents:
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|
124 } |
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parents:
5177
diff
changeset
|
125 |
7558
223f645acb9b
added compilation rate measurements on top of existing metric/timer facility - enabled with -Dgraal.benchmark.compilation=true
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
126 /** |
223f645acb9b
added compilation rate measurements on top of existing metric/timer facility - enabled with -Dgraal.benchmark.compilation=true
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parents:
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changeset
|
127 * Time spent in compilation. |
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parents:
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diff
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128 */ |
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changeset
|
129 public static final DebugTimer CompilationTime = Debug.timer("CompilationTime"); |
223f645acb9b
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parents:
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|
130 |
5183
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changeset
|
131 public void runCompilation() { |
7549
5512fae3683b
added memory usage to CompilationStatistics
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
132 CompilationStatistics stats = CompilationStatistics.create(method, entryBCI != StructuredGraph.INVOCATION_ENTRY_BCI); |
7558
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added compilation rate measurements on top of existing metric/timer facility - enabled with -Dgraal.benchmark.compilation=true
Doug Simon <doug.simon@oracle.com>
parents:
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changeset
|
133 try (TimerCloseable a = CompilationTime.start()) { |
9864
063a712fe8d8
converted remaining options in GraalOptions to new system (GRAAL-27)
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parents:
9849
diff
changeset
|
134 final boolean printCompilation = PrintCompilation.getValue() && !TTY.isSuppressed(); |
5136
8f4f0ebffca2
Move compilation task logic to separate class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
135 if (printCompilation) { |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7382
diff
changeset
|
136 TTY.println(String.format("%-6d Graal %-70s %-45s %-50s %s...", id, method.getDeclaringClass().getName(), method.getName(), method.getSignature(), |
5e3d1a68664e
applied mx eclipseformat to all Java files
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parents:
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diff
changeset
|
137 entryBCI == StructuredGraph.INVOCATION_ENTRY_BCI ? "" : "(OSR@" + entryBCI + ") ")); |
5136
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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138 } |
9864
063a712fe8d8
converted remaining options in GraalOptions to new system (GRAAL-27)
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parents:
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|
139 if (HotSpotPrintCompilation.getValue()) { |
8996
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140 printCompilation(); |
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|
141 } |
5136
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parents:
diff
changeset
|
142 |
5546
e42c0df7212a
Rename CiTargetMethod => CompilationResult.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5541
diff
changeset
|
143 CompilationResult result = null; |
9864
063a712fe8d8
converted remaining options in GraalOptions to new system (GRAAL-27)
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parents:
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diff
changeset
|
144 TTY.Filter filter = new TTY.Filter(PrintFilter.getValue(), method); |
6684
28a158024338
Add OSR marker in -G:+PrintCompilation output
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
6679
diff
changeset
|
145 long start = System.currentTimeMillis(); |
5136
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parents:
diff
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146 try { |
5546
e42c0df7212a
Rename CiTargetMethod => CompilationResult.
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diff
changeset
|
147 result = Debug.scope("Compiling", new DebugDumpScope(String.valueOf(id), true), new Callable<CompilationResult>() { |
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148 |
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diff
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149 @Override |
5546
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Rename CiTargetMethod => CompilationResult.
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parents:
5541
diff
changeset
|
150 public CompilationResult call() throws Exception { |
5780
64257cbef60c
removed compile method from GraalCodeCacheProvider interface
Doug Simon <doug.simon@oracle.com>
parents:
5719
diff
changeset
|
151 graalRuntime.evictDeoptedGraphs(); |
8636
ac4dbfecec8f
passed a Replacements object to inlining utility methods that need one instead of the GraalRuntime API
Doug Simon <doug.simon@oracle.com>
parents:
8627
diff
changeset
|
152 Replacements replacements = graalRuntime.getReplacements(); |
9813
c010c12ab682
put disassembling of installed code under the control of Debug.log(); use -G:Log=CodeInstall to show disassembly for all installed code
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parents:
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diff
changeset
|
153 graph = replacements.getMethodSubstitution(method); |
7361
b79ad92d5a26
compile the intrinsic graph for a method if the method is scheduled for compilation (in addition to intrinsifiying it when it is called)
Doug Simon <doug.simon@oracle.com>
parents:
6963
diff
changeset
|
154 if (graph == null || entryBCI != INVOCATION_ENTRY_BCI) { |
b79ad92d5a26
compile the intrinsic graph for a method if the method is scheduled for compilation (in addition to intrinsifiying it when it is called)
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parents:
6963
diff
changeset
|
155 graph = new StructuredGraph(method, entryBCI); |
b79ad92d5a26
compile the intrinsic graph for a method if the method is scheduled for compilation (in addition to intrinsifiying it when it is called)
Doug Simon <doug.simon@oracle.com>
parents:
6963
diff
changeset
|
156 } else { |
8411 | 157 // Compiling method substitution - must clone the graph |
7377
53d5f5fc4dd9
an intrinsic graph must be cloned before being compiled
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parents:
7361
diff
changeset
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158 graph = graph.copy(); |
7361
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compile the intrinsic graph for a method if the method is scheduled for compilation (in addition to intrinsifiying it when it is called)
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parents:
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diff
changeset
|
159 } |
9699
9529ab567367
Drafted version of an inlining policy that uses the callee graph size as its metric.
Christian Haeubl <haeubl@ssw.jku.at>
parents:
9041
diff
changeset
|
160 InliningUtil.InlinedBytecodes.add(method.getCodeSize()); |
9612
66db0353f55a
compilation is explicitly given a CallingConvention for the graph being compiled instead of deriving it from a method
Doug Simon <doug.simon@oracle.com>
parents:
9041
diff
changeset
|
161 HotSpotRuntime runtime = graalRuntime.getRuntime(); |
66db0353f55a
compilation is explicitly given a CallingConvention for the graph being compiled instead of deriving it from a method
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parents:
9041
diff
changeset
|
162 CallingConvention cc = getCallingConvention(runtime, Type.JavaCallee, graph.method(), false); |
9621
e97dc9bbfedc
introduced installedCodeOwner parameter of type ResolvedJavaMethod to GraalCompiler.compileGraph to properly distinguish the source method of a graph from the method under which the code compiled for the graph will be installed
Doug Simon <doug.simon@oracle.com>
parents:
9615
diff
changeset
|
163 return GraalCompiler.compileGraph(graph, cc, method, runtime, replacements, graalRuntime.getBackend(), graalRuntime.getTarget(), graalRuntime.getCache(), plan, optimisticOpts, |
9968
3df534c97af1
Create Suites instance in runtime.
Roland Schatz <roland.schatz@oracle.com>
parents:
9920
diff
changeset
|
164 method.getSpeculationLog(), suitesProvider.getDefaultSuites()); |
5136
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Move compilation task logic to separate class.
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parents:
diff
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|
165 } |
8f4f0ebffca2
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diff
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166 }); |
8f4f0ebffca2
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parents:
diff
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|
167 } finally { |
8f4f0ebffca2
Move compilation task logic to separate class.
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parents:
diff
changeset
|
168 filter.remove(); |
8f4f0ebffca2
Move compilation task logic to separate class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
169 if (printCompilation) { |
6684
28a158024338
Add OSR marker in -G:+PrintCompilation output
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
6679
diff
changeset
|
170 TTY.println(String.format("%-6d Graal %-70s %-45s %-50s | %4dms %5dB", id, "", "", "", System.currentTimeMillis() - start, (result != null ? result.getTargetCodeSize() : -1))); |
5136
8f4f0ebffca2
Move compilation task logic to separate class.
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diff
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171 } |
8f4f0ebffca2
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parents:
diff
changeset
|
172 } |
5275
290b3025b66f
added support for disassembling code after installation (so that the result of patching and relocation can be seen)
Doug Simon <doug.simon@oracle.com>
parents:
5226
diff
changeset
|
173 |
9813
c010c12ab682
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Doug Simon <doug.simon@oracle.com>
parents:
9807
diff
changeset
|
174 installMethod(result); |
5547
b6617d13ea44
Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5546
diff
changeset
|
175 } catch (BailoutException bailout) { |
5136
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parents:
diff
changeset
|
176 Debug.metric("Bailouts").increment(); |
9864
063a712fe8d8
converted remaining options in GraalOptions to new system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents:
9849
diff
changeset
|
177 if (ExitVMOnBailout.getValue()) { |
5719
429accae15aa
moved some methods from CodeUtil to MetaUtil
Doug Simon <doug.simon@oracle.com>
parents:
5603
diff
changeset
|
178 TTY.cachedOut.println(MetaUtil.format("Bailout in %H.%n(%p)", method)); |
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parents:
diff
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|
179 bailout.printStackTrace(TTY.cachedOut); |
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diff
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|
180 System.exit(-1); |
9864
063a712fe8d8
converted remaining options in GraalOptions to new system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents:
9849
diff
changeset
|
181 } else if (PrintBailout.getValue()) { |
5719
429accae15aa
moved some methods from CodeUtil to MetaUtil
Doug Simon <doug.simon@oracle.com>
parents:
5603
diff
changeset
|
182 TTY.cachedOut.println(MetaUtil.format("Bailout in %H.%n(%p)", method)); |
5201
891399c54706
Add a PrintBailout option
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
5188
diff
changeset
|
183 bailout.printStackTrace(TTY.cachedOut); |
5136
8f4f0ebffca2
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
184 } |
8f4f0ebffca2
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
185 } catch (Throwable t) { |
9864
063a712fe8d8
converted remaining options in GraalOptions to new system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents:
9849
diff
changeset
|
186 if (PrintStackTraceOnException.getValue() || ExitVMOnException.getValue()) { |
9802
9dcd6f8a843b
CompileTask: add option to print exception on compile error
Bernhard Urban <bernhard.urban@jku.at>
parents:
9790
diff
changeset
|
187 t.printStackTrace(TTY.cachedOut); |
9dcd6f8a843b
CompileTask: add option to print exception on compile error
Bernhard Urban <bernhard.urban@jku.at>
parents:
9790
diff
changeset
|
188 } |
9864
063a712fe8d8
converted remaining options in GraalOptions to new system (GRAAL-27)
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parents:
9849
diff
changeset
|
189 if (ExitVMOnException.getValue()) { |
5136
8f4f0ebffca2
Move compilation task logic to separate class.
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parents:
diff
changeset
|
190 System.exit(-1); |
8f4f0ebffca2
Move compilation task logic to separate class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
191 } |
10056
a323a9e20f9d
Fixed a few race conditions in the compilation queue.
Christian Haeubl <haeubl@ssw.jku.at>
parents:
10019
diff
changeset
|
192 } finally { |
a323a9e20f9d
Fixed a few race conditions in the compilation queue.
Christian Haeubl <haeubl@ssw.jku.at>
parents:
10019
diff
changeset
|
193 assert method.isQueuedForCompilation(); |
a323a9e20f9d
Fixed a few race conditions in the compilation queue.
Christian Haeubl <haeubl@ssw.jku.at>
parents:
10019
diff
changeset
|
194 method.clearQueuedForCompilation(); |
5136
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parents:
diff
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|
195 } |
5176
af59b4dfc9e4
compilation queue changes:
Lukas Stadler <lukas.stadler@jku.at>
parents:
5138
diff
changeset
|
196 stats.finish(method); |
af59b4dfc9e4
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Lukas Stadler <lukas.stadler@jku.at>
parents:
5138
diff
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|
197 } |
af59b4dfc9e4
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Lukas Stadler <lukas.stadler@jku.at>
parents:
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diff
changeset
|
198 |
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8637
diff
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|
199 /** |
6d86ce1297bc
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8637
diff
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|
200 * Print a HotSpot-style compilation message to the console. |
6d86ce1297bc
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8637
diff
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|
201 */ |
6d86ce1297bc
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parents:
8637
diff
changeset
|
202 private void printCompilation() { |
6d86ce1297bc
GRAAL-213: add HotSpot-style PrintCompilation and PrintInlining
twisti
parents:
8637
diff
changeset
|
203 final boolean isOSR = entryBCI != StructuredGraph.INVOCATION_ENTRY_BCI; |
6d86ce1297bc
GRAAL-213: add HotSpot-style PrintCompilation and PrintInlining
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parents:
8637
diff
changeset
|
204 final int mod = method.getModifiers(); |
6d86ce1297bc
GRAAL-213: add HotSpot-style PrintCompilation and PrintInlining
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parents:
8637
diff
changeset
|
205 TTY.println(String.format("%7d %4d %c%c%c%c%c %s %s(%d bytes)", 0, id, isOSR ? '%' : ' ', Modifier.isSynchronized(mod) ? 's' : ' ', ' ', ' ', Modifier.isNative(mod) ? 'n' : ' ', |
6d86ce1297bc
GRAAL-213: add HotSpot-style PrintCompilation and PrintInlining
twisti
parents:
8637
diff
changeset
|
206 MetaUtil.format("%H::%n(%p)", method), isOSR ? "@ " + entryBCI + " " : "", method.getCodeSize())); |
6d86ce1297bc
GRAAL-213: add HotSpot-style PrintCompilation and PrintInlining
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8637
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|
207 } |
6d86ce1297bc
GRAAL-213: add HotSpot-style PrintCompilation and PrintInlining
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8637
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changeset
|
208 |
9813
c010c12ab682
put disassembling of installed code under the control of Debug.log(); use -G:Log=CodeInstall to show disassembly for all installed code
Doug Simon <doug.simon@oracle.com>
parents:
9807
diff
changeset
|
209 private void installMethod(final CompilationResult compResult) { |
8150
b66f831ac5ab
Fix CFG printer output. Clean up after making the compiler class all-static.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
7837
diff
changeset
|
210 Debug.scope("CodeInstall", new Object[]{new DebugDumpScope(String.valueOf(id), true), graalRuntime.getRuntime(), method}, new Runnable() { |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7382
diff
changeset
|
211 |
5275
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added support for disassembling code after installation (so that the result of patching and relocation can be seen)
Doug Simon <doug.simon@oracle.com>
parents:
5226
diff
changeset
|
212 @Override |
290b3025b66f
added support for disassembling code after installation (so that the result of patching and relocation can be seen)
Doug Simon <doug.simon@oracle.com>
parents:
5226
diff
changeset
|
213 public void run() { |
10019
6e4b72bcc97f
Remove graph from HotSpotNMethod
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
9968
diff
changeset
|
214 HotSpotInstalledCode installedCode = graalRuntime.getRuntime().installMethod(method, entryBCI, compResult); |
8349
8d6ea1915d42
merged CodeInfo into InstalledCode (GRAAL-156)
Doug Simon <doug.simon@oracle.com>
parents:
8217
diff
changeset
|
215 if (Debug.isDumpEnabled()) { |
8d6ea1915d42
merged CodeInfo into InstalledCode (GRAAL-156)
Doug Simon <doug.simon@oracle.com>
parents:
8217
diff
changeset
|
216 Debug.dump(new Object[]{compResult, installedCode}, "After code installation"); |
5275
290b3025b66f
added support for disassembling code after installation (so that the result of patching and relocation can be seen)
Doug Simon <doug.simon@oracle.com>
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217 } |
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218 if (Debug.isLogEnabled()) { |
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219 Debug.log("%s", graalRuntime.getRuntime().disassemble(installedCode)); |
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220 } |
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221 } |
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222 |
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223 }); |
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224 } |
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225 |
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226 private boolean tryToChangeStatus(CompilationStatus from, CompilationStatus to) { |
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227 return status.compareAndSet(from.ordinal(), to.ordinal()); |
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228 } |
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229 |
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230 @Override |
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231 public int compareTo(CompilationTask o) { |
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232 if (priority < o.priority) { |
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233 return -1; |
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234 } |
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235 if (priority > o.priority) { |
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236 return 1; |
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237 } |
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238 return id < o.id ? -1 : (id > o.id ? 1 : 0); |
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239 } |
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240 |
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241 @Override |
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242 public String toString() { |
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243 return "Compilation[id=" + id + ", prio=" + priority + " " + MetaUtil.format("%H.%n(%p)", method) + (entryBCI == StructuredGraph.INVOCATION_ENTRY_BCI ? "" : "@" + entryBCI) + "]"; |
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244 } |
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245 } |