Mercurial > hg > graal-compiler
view graal/com.oracle.max.graal.hotspot/src/com/oracle/max/graal/hotspot/bridge/VMToCompilerImpl.java @ 4479:95802b2cec42
Merge
author | Andreas Woess <andreas.woess@jku.at> |
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date | Tue, 07 Feb 2012 12:48:19 +0100 |
parents | 27c5466afd55 11a4af4a6621 |
children | 7d0d849abf80 3706975946e4 |
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/* * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.max.graal.hotspot.bridge; import java.lang.reflect.*; import java.util.*; import java.util.concurrent.*; import com.oracle.max.cri.ci.*; import com.oracle.max.cri.ri.*; import com.oracle.max.criutils.*; import com.oracle.max.graal.compiler.*; import com.oracle.max.graal.compiler.phases.*; import com.oracle.max.graal.compiler.phases.PhasePlan.PhasePosition; import com.oracle.max.graal.debug.*; import com.oracle.max.graal.debug.internal.*; import com.oracle.max.graal.hotspot.*; import com.oracle.max.graal.hotspot.Compiler; import com.oracle.max.graal.hotspot.ri.*; import com.oracle.max.graal.hotspot.server.*; import com.oracle.max.graal.hotspot.snippets.*; import com.oracle.max.graal.java.*; import com.oracle.max.graal.snippets.*; /** * Exits from the HotSpot VM into Java code. */ public class VMToCompilerImpl implements VMToCompiler, Remote { private final Compiler compiler; private int compiledMethodCount; private IntrinsifyArrayCopyPhase intrinsifyArrayCopy; public final HotSpotTypePrimitive typeBoolean; public final HotSpotTypePrimitive typeChar; public final HotSpotTypePrimitive typeFloat; public final HotSpotTypePrimitive typeDouble; public final HotSpotTypePrimitive typeByte; public final HotSpotTypePrimitive typeShort; public final HotSpotTypePrimitive typeInt; public final HotSpotTypePrimitive typeLong; public final HotSpotTypePrimitive typeVoid; ThreadFactory compilerThreadFactory = new ThreadFactory() { @Override public Thread newThread(Runnable r) { return new CompilerThread(r); } }; private final class CompilerThread extends Thread { public CompilerThread(Runnable r) { super(r); this.setName("GraalCompilerThread-" + this.getId()); this.setDaemon(true); } @Override public void run() { if (GraalOptions.Debug) { Debug.enable(); HotSpotDebugConfig hotspotDebugConfig = new HotSpotDebugConfig(GraalOptions.Log, GraalOptions.Meter, GraalOptions.Time, GraalOptions.Dump, GraalOptions.MethodFilter); Debug.setConfig(hotspotDebugConfig); } super.run(); } } private ThreadPoolExecutor compileQueue; public VMToCompilerImpl(Compiler compiler) { this.compiler = compiler; typeBoolean = new HotSpotTypePrimitive(compiler, CiKind.Boolean); typeChar = new HotSpotTypePrimitive(compiler, CiKind.Char); typeFloat = new HotSpotTypePrimitive(compiler, CiKind.Float); typeDouble = new HotSpotTypePrimitive(compiler, CiKind.Double); typeByte = new HotSpotTypePrimitive(compiler, CiKind.Byte); typeShort = new HotSpotTypePrimitive(compiler, CiKind.Short); typeInt = new HotSpotTypePrimitive(compiler, CiKind.Int); typeLong = new HotSpotTypePrimitive(compiler, CiKind.Long); typeVoid = new HotSpotTypePrimitive(compiler, CiKind.Void); } public void startCompiler() throws Throwable { // Make sure TTY is initialized here such that the correct System.out is used for TTY. TTY.initialize(); // Install intrinsics. HotSpotRuntime runtime = (HotSpotRuntime) compiler.getCompiler().runtime; if (GraalOptions.Intrinsify) { this.intrinsifyArrayCopy = new IntrinsifyArrayCopyPhase(runtime); GraalIntrinsics.installIntrinsics(runtime, runtime.getCompiler().getTarget(), PhasePlan.DEFAULT); Snippets.install(runtime, runtime.getCompiler().getTarget(), new SystemSnippets(), PhasePlan.DEFAULT); Snippets.install(runtime, runtime.getCompiler().getTarget(), new UnsafeSnippets(), PhasePlan.DEFAULT); Snippets.install(runtime, runtime.getCompiler().getTarget(), new ArrayCopySnippets(), PhasePlan.DEFAULT); } // Create compilation queue. compileQueue = new ThreadPoolExecutor(GraalOptions.Threads, GraalOptions.Threads, 0L, TimeUnit.MILLISECONDS, new LinkedBlockingQueue<Runnable>(), compilerThreadFactory); // Create queue status printing thread. if (GraalOptions.PrintQueue) { Thread t = new Thread() { @Override public void run() { while (true) { TTY.println(compileQueue.toString()); try { Thread.sleep(1000); } catch (InterruptedException e) { } } } }; t.setDaemon(true); t.start(); } } /** * This method is the first method compiled during bootstrapping. Put any code in there that warms up compiler paths * that are otherwise no exercised during bootstrapping and lead to later deoptimization when application code is * compiled. */ @SuppressWarnings("unused") @Deprecated private synchronized void compileWarmup() { // Method is synchronized to exercise the synchronization code in the compiler. } public void bootstrap() throws Throwable { TTY.print("Bootstrapping Graal"); TTY.flush(); long startTime = System.currentTimeMillis(); // Initialize compile queue with a selected set of methods. Class<Object> objectKlass = Object.class; enqueue(getClass().getDeclaredMethod("compileWarmup")); enqueue(objectKlass.getDeclaredMethod("equals", Object.class)); enqueue(objectKlass.getDeclaredMethod("toString")); // Compile until the queue is empty. int z = 0; while (compileQueue.getCompletedTaskCount() < Math.max(3, compileQueue.getTaskCount())) { Thread.sleep(100); while (z < compileQueue.getCompletedTaskCount() / 100) { ++z; TTY.print("."); TTY.flush(); } } TTY.println(" in %d ms", System.currentTimeMillis() - startTime); System.gc(); } private void enqueue(Method m) throws Throwable { RiMethod riMethod = compiler.getRuntime().getRiMethod(m); assert !Modifier.isAbstract(((HotSpotMethodResolved) riMethod).accessFlags()) && !Modifier.isNative(((HotSpotMethodResolved) riMethod).accessFlags()) : riMethod; compileMethod((HotSpotMethodResolved) riMethod, 0, false); } public void shutdownCompiler() throws Throwable { // compiler.getCompiler().context.print(); // TODO(tw): Print context results. compileQueue.shutdown(); if (Debug.isEnabled()) { List<DebugValueMap> topLevelMaps = DebugValueMap.getTopLevelMaps(); List<DebugValue> debugValues = KeyRegistry.getDebugValues(); if (debugValues.size() > 0) { for (DebugValueMap map : topLevelMaps) { TTY.println("Showing the results for thread: " + map.getName()); map.group(); map.normalize(); printMap(map, debugValues, 0); } } } } private void printMap(DebugValueMap map, List<DebugValue> debugValues, int level) { printIndent(level); TTY.println(map.getName()); for (DebugValue value : debugValues) { long l = map.getCurrentValue(value.getIndex()); if (l != 0) { printIndent(level + 1); TTY.println(value.getName() + "=" + l); } } for (DebugValueMap child : map.getChildren()) { printMap(child, debugValues, level + 1); } } private static void printIndent(int level) { for (int i = 0; i < level; ++i) { TTY.print(" "); } TTY.print("|-> "); } @Override public void compileMethod(final HotSpotMethodResolved method, final int entryBCI, boolean blocking) throws Throwable { try { if (Thread.currentThread() instanceof CompilerThread) { if (method.holder().name().contains("java/util/concurrent")) { // This is required to avoid deadlocking a compiler thread. The issue is that a // java.util.concurrent.BlockingQueue is used to implement the compilation worker // queues. If a compiler thread triggers a compilation, then it may be blocked trying // to add something to its own queue. return; } } Runnable runnable = new Runnable() { public void run() { try { final PhasePlan plan = getDefaultPhasePlan(); GraphBuilderPhase graphBuilderPhase = new GraphBuilderPhase(compiler.getRuntime()); plan.addPhase(PhasePosition.AFTER_PARSING, graphBuilderPhase); long startTime = 0; int index = compiledMethodCount++; final boolean printCompilation = GraalOptions.PrintCompilation && !TTY.isSuppressed(); if (printCompilation) { TTY.println(String.format("Graal %4d %-70s %-45s %-50s ...", index, method.holder().name(), method.name(), method.signature().asString())); startTime = System.nanoTime(); } CiTargetMethod result = null; TTY.Filter filter = new TTY.Filter(GraalOptions.PrintFilter, method); try { result = Debug.scope("Compiling", method, new Callable<CiTargetMethod>() { @Override public CiTargetMethod call() throws Exception { return compiler.getCompiler().compileMethod(method, -1, plan); } }); } finally { filter.remove(); if (printCompilation) { long time = (System.nanoTime() - startTime) / 100000; TTY.println(String.format("Graal %4d %-70s %-45s %-50s | %3d.%dms %4dnodes %5dB", index, "", "", "", time / 10, time % 10, 0, (result != null ? result.targetCodeSize() : -1))); } } compiler.getRuntime().installMethod(method, result); } catch (CiBailout bailout) { Debug.metric("Bailouts").increment(); if (GraalOptions.ExitVMOnBailout) { bailout.printStackTrace(TTY.cachedOut); System.exit(-1); } } catch (Throwable t) { if (GraalOptions.ExitVMOnException) { t.printStackTrace(TTY.cachedOut); System.exit(-1); } } } }; if (blocking) { runnable.run(); } else { compileQueue.execute(runnable); } } catch (RejectedExecutionException e) { // The compile queue was already shut down. return; } } @Override public RiMethod createRiMethodUnresolved(String name, String signature, RiType holder) { return new HotSpotMethodUnresolved(compiler, name, signature, holder); } @Override public RiSignature createRiSignature(String signature) { return new HotSpotSignature(compiler, signature); } @Override public RiField createRiField(RiType holder, String name, RiType type, int offset, int flags) { if (offset != -1) { HotSpotTypeResolved resolved = (HotSpotTypeResolved) holder; return resolved.createRiField(name, type, offset, flags); } return new BaseUnresolvedField(holder, name, type); } @Override public RiType createRiType(HotSpotConstantPool pool, String name) { throw new RuntimeException("not implemented"); } @Override public RiType createRiTypePrimitive(int basicType) { switch (basicType) { case 4: return typeBoolean; case 5: return typeChar; case 6: return typeFloat; case 7: return typeDouble; case 8: return typeByte; case 9: return typeShort; case 10: return typeInt; case 11: return typeLong; case 14: return typeVoid; default: throw new IllegalArgumentException("Unknown basic type: " + basicType); } } @Override public RiType createRiTypeUnresolved(String name) { return new HotSpotTypeUnresolved(compiler, name); } @Override public CiConstant createCiConstant(CiKind kind, long value) { if (kind == CiKind.Long) { return CiConstant.forLong(value); } else if (kind == CiKind.Int) { return CiConstant.forInt((int) value); } else if (kind == CiKind.Short) { return CiConstant.forShort((short) value); } else if (kind == CiKind.Char) { return CiConstant.forChar((char) value); } else if (kind == CiKind.Byte) { return CiConstant.forByte((byte) value); } else if (kind == CiKind.Boolean) { return (value == 0) ? CiConstant.FALSE : CiConstant.TRUE; } else { throw new IllegalArgumentException(); } } @Override public CiConstant createCiConstantFloat(float value) { return CiConstant.forFloat(value); } @Override public CiConstant createCiConstantDouble(double value) { return CiConstant.forDouble(value); } @Override public CiConstant createCiConstantObject(Object object) { return CiConstant.forObject(object); } private PhasePlan getDefaultPhasePlan() { PhasePlan phasePlan = new PhasePlan(); if (GraalOptions.Intrinsify) { phasePlan.addPhase(PhasePosition.HIGH_LEVEL, intrinsifyArrayCopy); } return phasePlan; } }