diff --git a/test/micro/org/openjdk/bench/vm/compiler/pea/Blender.java b/test/micro/org/openjdk/bench/vm/compiler/pea/Blender.java new file mode 100644 index 00000000000..4688ef4a511 --- /dev/null +++ b/test/micro/org/openjdk/bench/vm/compiler/pea/Blender.java @@ -0,0 +1,104 @@ +/* + * Copyright (c) 2023, 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 org.openjdk.bench.vm.compiler.pea; + +import org.openjdk.jmh.annotations.Benchmark; +import org.openjdk.jmh.annotations.BenchmarkMode; +import org.openjdk.jmh.annotations.Fork; +import org.openjdk.jmh.annotations.Measurement; +import org.openjdk.jmh.annotations.Mode; +import org.openjdk.jmh.annotations.Param; +import org.openjdk.jmh.annotations.Scope; +import org.openjdk.jmh.annotations.State; +import org.openjdk.jmh.annotations.OutputTimeUnit; +import org.openjdk.jmh.annotations.Warmup; + +import java.util.concurrent.TimeUnit; + +@BenchmarkMode(Mode.AverageTime) +@OutputTimeUnit(TimeUnit.NANOSECONDS) +@Warmup(iterations = 5, time = 1, timeUnit = TimeUnit.SECONDS) +@Measurement(iterations = 1, time = 1, timeUnit = TimeUnit.SECONDS) +@State(Scope.Benchmark) +@Fork(value = 3) +public class Blender { + @Param({"1", "2", "3", "4", "5", "6", "7", "8", "9", "10"}) + int iteration; + + private static class Color { + double r, g, b; + + private Color(double r, double g, double b) { + this.r = r; + this.g = g; + this.b = b; + } + + public static Color color() { + return new Color(0, 0, 0); + } + + public void add(Color other) { + r += other.r; + g += other.g; + b += other.b; + } + + public void add(double nr, double ng, double nb) { + r += nr; + g += ng; + b += nb; + } + + public void multiply(double factor) { + r *= factor; + g *= factor; + b *= factor; + } + } + + private static final Color[][][] colors = new Color[100][100][100]; + + @Benchmark + public void initialize() { + Color id = new Color(iteration / 20, 0, 1); + for (int x = 0; x < colors.length; x++) { + Color[][] plane = colors[x]; + for (int y = 0; y < plane.length; y++) { + Color[] row = plane[y]; + for (int z = 0; z < row.length; z++) { + Color color = new Color(x, y, z); + color.add(id); + if ((color.r + color.g + color.b) % 42 == 0) { + // PEA only allocates a color object here + row[z] = color; + } else { + // Here the color object is not allocated at all + } + } + } + } + } +} +