# HG changeset patch # User Doug Simon # Date 1407268812 -7200 # Node ID bd6b44b04143f69cbc14f2f0bcd8bc52bd6a8541 # Parent 4e2178dc81fb2a4d1f0fd859cbff3a5b24721a46 moved MemoryUsageBenchmark to graal.hotspot.test and use CompilationTask to drive compilation diff -r 4e2178dc81fb -r bd6b44b04143 graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/MemoryUsageBenchmark.java --- a/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/MemoryUsageBenchmark.java Tue Aug 05 21:15:40 2014 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,99 +0,0 @@ -/* - * Copyright (c) 2011, 2013, 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.graal.compiler.test; - -import static com.oracle.graal.debug.internal.MemUseTrackerImpl.*; - -import java.lang.reflect.*; - -import com.oracle.graal.api.code.*; -import com.oracle.graal.nodes.*; - -/** - * Used to benchmark memory usage during Graal compilation. - */ -public class MemoryUsageBenchmark extends GraalCompilerTest { - - public static int simple(int a, int b) { - return a + b; - } - - public static int complex(CharSequence cs) { - if (cs instanceof String) { - return cs.hashCode(); - } - int[] hash = {0}; - cs.chars().forEach(c -> hash[0] += c); - return hash[0]; - } - - static class MemoryUsageCloseable implements AutoCloseable { - - private final long start; - private final String name; - - public MemoryUsageCloseable(String name) { - this.name = name; - this.start = getCurrentThreadAllocatedBytes(); - } - - @Override - public void close() { - long end = getCurrentThreadAllocatedBytes(); - long allocated = end - start; - System.out.println(name + ": " + allocated); - } - } - - public static void main(String[] args) { - new MemoryUsageBenchmark().run(); - } - - private void doCompilation(StructuredGraph graph) { - CompilationResult compResult = super.compile(graph.method(), graph); - addMethod(graph.method(), compResult); - } - - private void compileAndTime(String methodName) { - Method method = getMethod(methodName); - StructuredGraph graph = parse(method); - - try (MemoryUsageCloseable c = new MemoryUsageCloseable(methodName + "[cold]")) { - doCompilation(graph); - } - - // Warm up compiler for this compilation - for (int i = 0; i < 10; i++) { - doCompilation(graph); - } - - try (MemoryUsageCloseable c = new MemoryUsageCloseable(methodName + "[warm]")) { - doCompilation(graph); - } - } - - public void run() { - compileAndTime("simple"); - compileAndTime("complex"); - } -} diff -r 4e2178dc81fb -r bd6b44b04143 graal/com.oracle.graal.hotspot.test/src/com/oracle/graal/hotspot/test/MemoryUsageBenchmark.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.graal.hotspot.test/src/com/oracle/graal/hotspot/test/MemoryUsageBenchmark.java Tue Aug 05 22:00:12 2014 +0200 @@ -0,0 +1,133 @@ +/* + * Copyright (c) 2011, 2013, 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.graal.hotspot.test; + +import static com.oracle.graal.debug.internal.MemUseTrackerImpl.*; +import static com.oracle.graal.hotspot.HotSpotGraalRuntime.*; +import static com.oracle.graal.nodes.StructuredGraph.*; + +import com.oracle.graal.compiler.test.*; +import com.oracle.graal.debug.*; +import com.oracle.graal.debug.internal.*; +import com.oracle.graal.hotspot.*; +import com.oracle.graal.hotspot.meta.*; +import com.oracle.graal.printer.*; + +/** + * Used to benchmark memory usage during Graal compilation. Run with: + * + * 
+ *     mx vm -XX:-UseGraalClassLoader -cp @com.oracle.graal.hotspot.test com.oracle.graal.hotspot.test.MemoryUsageBenchmark
+ *
+ */ +public class MemoryUsageBenchmark extends GraalCompilerTest { + + public static int simple(int a, int b) { + return a + b; + } + + public static int complex(CharSequence cs) { + if (cs instanceof String) { + return cs.hashCode(); + } + + if (cs instanceof StringBuffer) { + int[] hash = {0}; + cs.chars().forEach(c -> hash[0] += c); + return hash[0]; + } + + int res = 0; + + // Exercise lock elimination + synchronized (cs) { + res = cs.length(); + } + synchronized (cs) { + res = cs.hashCode() ^ 31; + } + + for (int i = 0; i < cs.length(); i++) { + res *= cs.charAt(i); + } + return res; + } + + static class MemoryUsageCloseable implements AutoCloseable { + + private final long start; + private final String name; + + public MemoryUsageCloseable(String name) { + this.name = name; + this.start = getCurrentThreadAllocatedBytes(); + } + + @Override + public void close() { + long end = getCurrentThreadAllocatedBytes(); + long allocated = end - start; + System.out.println(name + ": " + allocated); + } + } + + public static void main(String[] args) { + // Ensure a debug configuration for this thread is initialized + if (Debug.isEnabled() && DebugScope.getConfig() == null) { + DebugEnvironment.initialize(System.out); + } + new MemoryUsageBenchmark().run(); + } + + private void doCompilation(String methodName) { + HotSpotResolvedJavaMethod method = (HotSpotResolvedJavaMethod) getMetaAccess().lookupJavaMethod(getMethod(methodName)); + HotSpotBackend backend = runtime().getHostBackend(); + int id = method.allocateCompileId(INVOCATION_ENTRY_BCI); + long ctask = 0L; + CompilationTask task = new CompilationTask(backend, method, INVOCATION_ENTRY_BCI, ctask, id); + task.runCompilation(); + + // invalidate the compiled code + method.reprofile(); + } + + private static final boolean verbose = Boolean.getBoolean("verbose"); + + private void compileAndTime(String methodName) { + // Warm up and initialize compiler phases used by this compilation + for (int i = 0; i < 10; i++) { + try (MemoryUsageCloseable c = verbose ? new MemoryUsageCloseable(methodName + "[" + i + "]") : null) { + doCompilation(methodName); + } + } + + try (MemoryUsageCloseable c = new MemoryUsageCloseable(methodName + "[warm]")) { + doCompilation(methodName); + } + } + + public void run() { + compileAndTime("complex"); + compileAndTime("simple"); + } +}