106 lines
3.1 KiB
Java
106 lines
3.1 KiB
Java
/*
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* Copyright (c) 2018, 2022, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package org.openjdk.bench.java.util;
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import org.openjdk.jmh.annotations.Benchmark;
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import org.openjdk.jmh.annotations.BenchmarkMode;
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import org.openjdk.jmh.annotations.Fork;
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import org.openjdk.jmh.annotations.Measurement;
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import org.openjdk.jmh.annotations.Mode;
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import org.openjdk.jmh.annotations.OutputTimeUnit;
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import org.openjdk.jmh.annotations.Param;
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import org.openjdk.jmh.annotations.Scope;
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import org.openjdk.jmh.annotations.Setup;
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import org.openjdk.jmh.annotations.State;
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import org.openjdk.jmh.annotations.Warmup;
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import java.util.Arrays;
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import java.util.concurrent.TimeUnit;
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@BenchmarkMode(Mode.Throughput)
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@OutputTimeUnit(TimeUnit.MILLISECONDS)
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@State(Scope.Thread)
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@Warmup(iterations = 4, time = 2)
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@Measurement(iterations = 4, time = 2)
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@Fork(value = 3)
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public class ArraysFill {
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@Param({"16", "31", "250", "266", "511", "2047", "2048", "8195"})
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public int size;
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public byte[] testByteArray;
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public char[] testCharArray;
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public short[] testShortArray;
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public int[] testIntArray;
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public long[] testLongArray;
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public float[] testFloatArray;
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public double[] testDoubleArray;
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@Setup
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public void setup() {
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testByteArray = new byte[size];
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testCharArray = new char[size];
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testShortArray = new short[size];
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testIntArray = new int[size];
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testLongArray = new long[size];
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testFloatArray = new float[size];
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testDoubleArray = new double[size];
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}
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@Benchmark
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public void testCharFill() {
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Arrays.fill(testCharArray, (char) -1);
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}
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@Benchmark
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public void testByteFill() {
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Arrays.fill(testByteArray, (byte) -1);
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}
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@Benchmark
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public void testShortFill() {
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Arrays.fill(testShortArray, (short) -1);
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}
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@Benchmark
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public void testIntFill() {
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Arrays.fill(testIntArray, -1);
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}
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@Benchmark
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public void testLongFill() {
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Arrays.fill(testLongArray, -1);
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}
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@Benchmark
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public void testFloatFill() {
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Arrays.fill(testFloatArray, (float) -1.0);
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}
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@Benchmark
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public void testDoubleFill() {
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Arrays.fill(testDoubleArray, -1.0);
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}
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}
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