Mercurial > hg > gc-bench
view src/main/java/org/openjdk/gcbench/wip/BarriersMultiple.java @ 93:6ec38e1bea7a
BarriersMultiple test
author | shade |
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date | Wed, 10 Jan 2018 10:30:24 +0100 |
parents | src/main/java/org/openjdk/gcbench/wip/WriteBarriersKnownNew.java@583fef4276f5 |
children |
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/* * Copyright (c) 2018, Red Hat Inc. 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. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * 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 org.openjdk.gcbench.wip; import org.openjdk.jmh.annotations.*; import java.util.concurrent.TimeUnit; @Warmup(iterations = 5, time = 1, timeUnit = TimeUnit.SECONDS) @Measurement(iterations = 5, time = 1, timeUnit = TimeUnit.SECONDS) @Fork(value = 1, jvmArgsAppend = "-XX:-TieredCompilation") @BenchmarkMode(Mode.AverageTime) @OutputTimeUnit(TimeUnit.NANOSECONDS) @Threads(1) @State(Scope.Benchmark) public class BarriersMultiple { Object d; Target t1, t2, t3, t4, t5; @Setup public void setup() { d = new Object(); t1 = new Target(); t2 = new Target(); t3 = new Target(); t4 = new Target(); t5 = new Target(); } @Benchmark @CompilerControl(CompilerControl.Mode.DONT_INLINE) public void test() { t1.field = d; t2.field = d; t3.field = d; t4.field = d; t5.field = d; } static class Target { Object field; } }