1 /*
2 * Copyright (c) 2016, 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
24 package jdk.tools.jaotc;
25
26 import java.util.ArrayList;
27 import java.util.List;
28 import java.util.concurrent.PriorityBlockingQueue;
29 import java.util.concurrent.RejectedExecutionException;
30 import java.util.concurrent.ThreadPoolExecutor;
31 import java.util.concurrent.TimeUnit;
32 import java.util.concurrent.atomic.AtomicInteger;
33
34 import org.graalvm.compiler.options.OptionValues;
35
36 import jdk.vm.ci.meta.ResolvedJavaMethod;
37
38 public class AOTCompiler {
39
40 private final Main main;
41
42 private final OptionValues graalOptions;
43
44 private CompileQueue compileQueue;
45
46 private final AOTBackend backend;
47
48 /**
49 * Compile queue.
50 */
51 private class CompileQueue extends ThreadPoolExecutor {
52
53 /**
54 * Time of the start of this queue.
55 */
56 private final long startTime;
57
58 /**
59 * Method counter for successful compilations.
60 */
61 private final AtomicInteger successfulMethodCount = new AtomicInteger();
62
63 /**
64 * Method counter for failed compilations.
65 */
66 private final AtomicInteger failedMethodCount = new AtomicInteger();
67
68 /**
69 * Create a compile queue with the given number of threads.
70 */
71 public CompileQueue(final int threads) {
72 super(threads, threads, 0L, TimeUnit.MILLISECONDS, new PriorityBlockingQueue<>());
73 startTime = System.currentTimeMillis();
74 }
75
76 @Override
77 protected void afterExecute(Runnable r, Throwable t) {
78 AOTCompilationTask task = (AOTCompilationTask) r;
79 if (task.getResult() != null) {
80 final int count = successfulMethodCount.incrementAndGet();
81 if (count % 100 == 0) {
82 main.printInfo(".");
83 }
84 CompiledMethodInfo result = task.getResult();
85 if (result != null) {
86 task.getHolder().addCompiledMethod(result);
87 }
88 } else {
89 failedMethodCount.incrementAndGet();
90 main.printlnVerbose("");
91 ResolvedJavaMethod method = task.getMethod();
92 main.printlnVerbose(" failed " + method.getName() + method.getSignature().toMethodDescriptor());
93 }
94 }
95
96 @Override
97 protected void terminated() {
98 final long endTime = System.currentTimeMillis();
99 final int success = successfulMethodCount.get();
100 final int failed = failedMethodCount.get();
101 main.printlnInfo("");
102 main.printlnInfo(success + " methods compiled, " + failed + " methods failed (" + (endTime - startTime) + " ms)");
103 }
104
105 }
106
107 /**
108 * @param main
109 * @param graalOptions
110 * @param aotBackend
111 * @param threads number of compilation threads
112 */
113 public AOTCompiler(Main main, OptionValues graalOptions, AOTBackend aotBackend, final int threads) {
114 this.main = main;
115 this.graalOptions = graalOptions;
116 this.compileQueue = new CompileQueue(threads);
117 this.backend = aotBackend;
118 }
119
120 /**
121 * Compile all methods in all classes passed.
122 *
123 * @param classes a list of class to compile
124 * @throws InterruptedException
125 */
126 public List<AOTCompiledClass> compileClasses(List<AOTCompiledClass> classes) throws InterruptedException {
127 main.printlnInfo("Compiling with " + compileQueue.getCorePoolSize() + " threads");
128 main.printInfo("."); // Compilation progress indication.
129
130 for (AOTCompiledClass c : classes) {
131 for (ResolvedJavaMethod m : c.getMethods()) {
132 enqueueMethod(c, m);
133 }
134 }
135
136 // Shutdown queue and wait for all tasks to complete.
137 compileQueue.shutdown();
138 compileQueue.awaitTermination(Long.MAX_VALUE, TimeUnit.NANOSECONDS);
139
140 List<AOTCompiledClass> compiledClasses = new ArrayList<>();
141 for (AOTCompiledClass compiledClass : classes) {
142 if (compiledClass.hasCompiledMethods()) {
143 compiledClasses.add(compiledClass);
144 }
145 }
146 return compiledClasses;
147 }
148
149 /**
150 * Enqueue a method in the {@link #compileQueue}.
151 *
152 * @param method method to be enqueued
153 */
154 private void enqueueMethod(AOTCompiledClass aotClass, ResolvedJavaMethod method) {
155 AOTCompilationTask task = new AOTCompilationTask(main, graalOptions, aotClass, method, backend);
156 try {
157 compileQueue.execute(task);
158 } catch (RejectedExecutionException e) {
159 e.printStackTrace();
160 }
161 }
162
163 public static void logCompilation(String methodName, String message) {
164 Main.writeLog(message + " " + methodName);
165 }
166
167 }