151 lines
4.5 KiB
Java
151 lines
4.5 KiB
Java
/*
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* Copyright (c) 2023, 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.io;
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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.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.TearDown;
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import org.openjdk.jmh.annotations.Warmup;
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import org.openjdk.jmh.infra.Blackhole;
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import org.openjdk.jmh.runner.Runner;
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import org.openjdk.jmh.runner.options.Options;
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import org.openjdk.jmh.runner.options.OptionsBuilder;
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import java.io.IOException;
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import java.io.ObjectOutputStream;
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import java.io.OutputStream;
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import java.io.Serializable;
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import java.util.concurrent.TimeUnit;
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@BenchmarkMode(Mode.AverageTime)
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@OutputTimeUnit(TimeUnit.NANOSECONDS)
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@Fork(2)
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@Warmup(iterations = 4, time = 2, timeUnit = TimeUnit.SECONDS)
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@Measurement(iterations = 4, time = 2, timeUnit = TimeUnit.SECONDS)
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@State(Scope.Thread)
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public class PrimitiveFieldSerializationBenchmark {
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public static void main(String[] args) throws Exception {
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Options options = new OptionsBuilder()
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.include(PrimitiveFieldSerializationBenchmark.class.getSimpleName())
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.build();
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new Runner(options).run();
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}
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@State(Scope.Benchmark)
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public static class Log {
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MyData myData = new MyData((byte) 1, 'a', (short) 47, 1234, 0.01f, 1234L, 0.01d);
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MyRecord myRecord = new MyRecord((byte) 1, 'a', (short) 47, 1234, 0.01f, 1234L, 0.01d);
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}
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private OutputStream bos;
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private ObjectOutputStream os;
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@Setup
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public void setupStreams(Blackhole bh) throws IOException {
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bos = new BlackholeOutputStream(bh);
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os = new ObjectOutputStream(bos);
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}
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@TearDown
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public void tearDownStreams() throws IOException {
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os.close();
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bos.close();
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}
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private static final class MyData implements Serializable {
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byte b;
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char c;
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short s;
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int i;
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float f;
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long l;
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double d;
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public MyData(byte b, char c, short s, int i, float f, long l, double d) {
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this.b = b;
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this.c = c;
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this.s = s;
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this.i = i;
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this.f = f;
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this.l = l;
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this.d = d;
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}
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}
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private record MyRecord(byte b,
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char c,
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short s,
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int i,
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float f,
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long l,
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double d) implements Serializable {
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}
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@Benchmark
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public void serializeData(Log input) throws IOException {
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os.writeObject(input.myData);
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}
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@Benchmark
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public void serializeRecord(Log input) throws IOException {
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os.writeObject(input.myRecord);
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}
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public static final class BlackholeOutputStream extends OutputStream {
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private final Blackhole bh;
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public BlackholeOutputStream(Blackhole bh) {
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this.bh = bh;
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}
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@Override
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public void write(int b) {
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bh.consume(b);
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}
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@Override
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public void write(byte[] b) {
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bh.consume(b);
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}
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@Override
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public void write(byte[] b, int off, int len) {
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bh.consume(b);
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}
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}
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}
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