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8247532: Records deserialization is slow

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8248135: Build microbenchmarks with --enable-preview

Test contributed by Chris Hegarty <chris.hegarty@oracle.com>

Reviewed-by: chegar, psandoz, redestad, ihse
This commit is contained in:
Peter Levart 2020-06-24 11:05:09 +02:00
parent 4bcd70acc0
commit 2f09989ec0
5 changed files with 972 additions and 70 deletions
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test/micro/org/openjdk/bench/java/io/RecordDeserialization.java Normal file
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/*
* Copyright (c) 2020, 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.
*/
/*
Sample runs on Ryzen 3700X:
before 8247532:
Benchmark (length) Mode Cnt Score Error Units
RecordDeserialization.deserializeClasses 10 avgt 10 8.382 : 0.013 us/op
RecordDeserialization.deserializeClasses 100 avgt 10 33.736 : 0.171 us/op
RecordDeserialization.deserializeClasses 1000 avgt 10 271.224 : 0.953 us/op
RecordDeserialization.deserializeRecords 10 avgt 10 58.606 : 0.446 us/op
RecordDeserialization.deserializeRecords 100 avgt 10 530.044 : 1.752 us/op
RecordDeserialization.deserializeRecords 1000 avgt 10 5335.624 : 44.942 us/op
after 8247532:
Benchmark (length) Mode Cnt Score Error Units
RecordDeserialization.deserializeClasses 10 avgt 10 8.681 : 0.155 us/op
RecordDeserialization.deserializeClasses 100 avgt 10 32.496 : 0.087 us/op
RecordDeserialization.deserializeClasses 1000 avgt 10 279.014 : 1.189 us/op
RecordDeserialization.deserializeRecords 10 avgt 10 8.537 : 0.032 us/op
RecordDeserialization.deserializeRecords 100 avgt 10 31.451 : 0.083 us/op
RecordDeserialization.deserializeRecords 1000 avgt 10 250.854 : 2.772 us/op
*/
package org.openjdk.bench.java.io;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Fork;
import org.openjdk.jmh.annotations.Level;
import org.openjdk.jmh.annotations.Measurement;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.OutputTimeUnit;
import org.openjdk.jmh.annotations.Param;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.Setup;
import org.openjdk.jmh.annotations.State;
import org.openjdk.jmh.annotations.Warmup;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.io.UncheckedIOException;
import java.util.concurrent.ThreadLocalRandom;
import java.util.concurrent.TimeUnit;
import java.util.stream.IntStream;
/**
* A micro benchmark used to measure/compare the performance of
* de-serializing record(s) vs. classical class(es)
*/
@BenchmarkMode(Mode.AverageTime)
@Warmup(iterations = 5, time = 1)
@Measurement(iterations = 10, time = 1)
@OutputTimeUnit(TimeUnit.MICROSECONDS)
@State(Scope.Thread)
@Fork(value = 1, warmups = 0, jvmArgsAppend = "--enable-preview")
public class RecordDeserialization {
public record PointR(int x, int y) implements Serializable {}
public record LineR(PointR p1, PointR p2) implements Serializable {}
public static class PointC implements Serializable {
private final int x, y;
public PointC(int x, int y) {
this.x = x;
this.y = y;
}
}
public static class LineC implements Serializable {
private final PointC p1, p2;
public LineC(PointC p1, PointC p2) {
this.p1 = p1;
this.p2 = p2;
}
}
private byte[] lineRsBytes, lineCsBytes;
private static LineR newLineR() {
ThreadLocalRandom rnd = ThreadLocalRandom.current();
return new LineR(new PointR(rnd.nextInt(), rnd.nextInt()),
new PointR(rnd.nextInt(), rnd.nextInt()));
}
private static LineC newLineC() {
ThreadLocalRandom rnd = ThreadLocalRandom.current();
return new LineC(new PointC(rnd.nextInt(), rnd.nextInt()),
new PointC(rnd.nextInt(), rnd.nextInt()));
}
private static byte[] serialize(Object o) {
try {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStream oos = new ObjectOutputStream(baos);
oos.writeObject(o);
oos.close();
return baos.toByteArray();
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
private static Object deserialize(byte[] bytes) {
try {
return new ObjectInputStream(new ByteArrayInputStream(bytes))
.readObject();
} catch (IOException e) {
throw new UncheckedIOException(e);
} catch (ClassNotFoundException e) {
throw new RuntimeException(e);
}
}
@Param({"10", "100", "1000"})
public int length;
@Setup(Level.Trial)
public void setup() {
LineR[] lineRs = IntStream
.range(0, length)
.mapToObj(i -> newLineR())
.toArray(LineR[]::new);
lineRsBytes = serialize(lineRs);
LineC[] lineCs = IntStream
.range(0, length)
.mapToObj(i -> newLineC())
.toArray(LineC[]::new);
lineCsBytes = serialize(lineCs);
}
@Benchmark
public Object deserializeRecords() {
return deserialize(lineRsBytes);
}
@Benchmark
public Object deserializeClasses() {
return deserialize(lineCsBytes);
}
}