jdk-24/test/micro/org/openjdk/bench/java/util/ArraysMismatch.java
Eric Caspole 2cb659e7f4 8290391: Reduce runtime of java.util package microbenchmarks
Reviewed-by: rriggs, redestad
2022-07-19 16:30:44 +00:00

399 lines
13 KiB
Java

/*
* Copyright (c) 2018, 2022, 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.java.util;
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.security.spec.InvalidParameterSpecException;
import java.util.Arrays;
import java.util.concurrent.TimeUnit;
import javax.crypto.BadPaddingException;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
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.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;
@BenchmarkMode(Mode.AverageTime)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
@State(Scope.Thread)
@Warmup(iterations = 4, time = 2)
@Measurement(iterations = 4, time = 2)
@Fork(value = 3)
public abstract class ArraysMismatch {
@Param({"90", "800"})
private static int size;
static final byte fill = 99;
static final byte mismatch = -1;
int leftStartRange;
int leftEndRange;
int rightStartRange;
int rightEndRange;
@Setup
public void setup() {
leftStartRange = size / 4;
leftEndRange = size - size / 4;
rightStartRange = size / 4 + 10;
rightEndRange = size - size / 4 + 10;
specificSetup();
}
abstract void specificSetup();
public static class Byte extends ArraysMismatch {
byte[] left;
byte[] right_startMismatch;
byte[] right_midMismatch;
byte[] right_endMismatch;
byte[] right_matches;
public void specificSetup() {
left = new byte[size];
Arrays.fill(left, (byte) fill);
right_startMismatch = Arrays.copyOf(left, left.length);
right_startMismatch[2] = (byte) mismatch;
right_midMismatch = Arrays.copyOf(left, left.length);
right_midMismatch[size / 2] = (byte) mismatch;
right_endMismatch = Arrays.copyOf(left, left.length);
right_endMismatch[size - 5] = (byte) mismatch;
right_matches = Arrays.copyOf(left, left.length);
}
@Benchmark
public int matches() {
return Arrays.mismatch(left, right_matches);
}
@Benchmark
public int differentSubrangeMatches() {
return Arrays.mismatch(left, leftStartRange, leftEndRange, right_matches, rightStartRange, rightEndRange);
}
@Benchmark
public int mismatchEnd() {
return Arrays.mismatch(left, right_endMismatch);
}
@Benchmark
public int mismatchMid() {
return Arrays.mismatch(left, right_midMismatch);
}
@Benchmark
public int mismatchStart() {
return Arrays.mismatch(left, right_startMismatch);
}
}
public static class Char extends ArraysMismatch {
char[] left;
char[] right_startMismatch;
char[] right_midMismatch;
char[] right_endMismatch;
char[] right_matches;
public void specificSetup() {
left = new char[size];
Arrays.fill(left, (char) fill);
right_startMismatch = Arrays.copyOf(left, left.length);
right_startMismatch[2] = (char) mismatch;
right_midMismatch = Arrays.copyOf(left, left.length);
right_midMismatch[size / 2] = (char) mismatch;
right_endMismatch = Arrays.copyOf(left, left.length);
right_endMismatch[size - 5] = (char) mismatch;
right_matches = Arrays.copyOf(left, left.length);
}
@Benchmark
public int matches() {
return Arrays.mismatch(left, right_matches);
}
@Benchmark
public int differentSubrangeMatches() {
return Arrays.mismatch(left, leftStartRange, leftEndRange, right_matches, rightStartRange, rightEndRange);
}
@Benchmark
public int mismatchEnd() {
return Arrays.mismatch(left, right_endMismatch);
}
@Benchmark
public int mismatchMid() {
return Arrays.mismatch(left, right_midMismatch);
}
@Benchmark
public int mismatchStart() {
return Arrays.mismatch(left, right_startMismatch);
}
}
public static class Short extends ArraysMismatch {
short[] left;
short[] right_startMismatch;
short[] right_midMismatch;
short[] right_endMismatch;
short[] right_matches;
public void specificSetup() {
left = new short[size];
Arrays.fill(left, (short) fill);
right_startMismatch = Arrays.copyOf(left, left.length);
right_startMismatch[2] = (short) mismatch;
right_midMismatch = Arrays.copyOf(left, left.length);
right_midMismatch[size / 2] = (short) mismatch;
right_endMismatch = Arrays.copyOf(left, left.length);
right_endMismatch[size - 5] = (short) mismatch;
right_matches = Arrays.copyOf(left, left.length);
}
@Benchmark
public int matches() {
return Arrays.mismatch(left, right_matches);
}
@Benchmark
public int differentSubrangeMatches() {
return Arrays.mismatch(left, leftStartRange, leftEndRange, right_matches, rightStartRange, rightEndRange);
}
@Benchmark
public int mismatchEnd() {
return Arrays.mismatch(left, right_endMismatch);
}
@Benchmark
public int mismatchMid() {
return Arrays.mismatch(left, right_midMismatch);
}
@Benchmark
public int mismatchStart() {
return Arrays.mismatch(left, right_startMismatch);
}
}
public static class Int extends ArraysMismatch {
int[] left;
int[] right_startMismatch;
int[] right_midMismatch;
int[] right_endMismatch;
int[] right_matches;
public void specificSetup() {
left = new int[size];
Arrays.fill(left, (int) fill);
right_startMismatch = Arrays.copyOf(left, left.length);
right_startMismatch[2] = (int) mismatch;
right_midMismatch = Arrays.copyOf(left, left.length);
right_midMismatch[size / 2] = (int) mismatch;
right_endMismatch = Arrays.copyOf(left, left.length);
right_endMismatch[size - 5] = (int) mismatch;
right_matches = Arrays.copyOf(left, left.length);
}
@Benchmark
public int matches() {
return Arrays.mismatch(left, right_matches);
}
@Benchmark
public int differentSubrangeMatches() {
return Arrays.mismatch(left, leftStartRange, leftEndRange, right_matches, rightStartRange, rightEndRange);
}
@Benchmark
public int mismatchEnd() {
return Arrays.mismatch(left, right_endMismatch);
}
@Benchmark
public int mismatchMid() {
return Arrays.mismatch(left, right_midMismatch);
}
@Benchmark
public int mismatchStart() {
return Arrays.mismatch(left, right_startMismatch);
}
}
public static class Long extends ArraysMismatch {
long[] left;
long[] right_startMismatch;
long[] right_midMismatch;
long[] right_endMismatch;
long[] right_matches;
public void specificSetup() {
left = new long[size];
Arrays.fill(left, (long) fill);
right_startMismatch = Arrays.copyOf(left, left.length);
right_startMismatch[2] = (long) mismatch;
right_midMismatch = Arrays.copyOf(left, left.length);
right_midMismatch[size / 2] = (long) mismatch;
right_endMismatch = Arrays.copyOf(left, left.length);
right_endMismatch[size - 5] = (long) mismatch;
right_matches = Arrays.copyOf(left, left.length);
}
@Benchmark
public int matches() {
return Arrays.mismatch(left, right_matches);
}
@Benchmark
public int differentSubrangeMatches() {
return Arrays.mismatch(left, leftStartRange, leftEndRange, right_matches, rightStartRange, rightEndRange);
}
@Benchmark
public int mismatchEnd() {
return Arrays.mismatch(left, right_endMismatch);
}
@Benchmark
public int mismatchMid() {
return Arrays.mismatch(left, right_midMismatch);
}
@Benchmark
public int mismatchStart() {
return Arrays.mismatch(left, right_startMismatch);
}
}
public static class Float extends ArraysMismatch {
float[] left;
float[] right_startMismatch;
float[] right_midMismatch;
float[] right_endMismatch;
float[] right_matches;
public void specificSetup() {
left = new float[size];
Arrays.fill(left, (float) fill);
right_startMismatch = Arrays.copyOf(left, left.length);
right_startMismatch[2] = (float) mismatch;
right_midMismatch = Arrays.copyOf(left, left.length);
right_midMismatch[size / 2] = (float) mismatch;
right_endMismatch = Arrays.copyOf(left, left.length);
right_endMismatch[size - 5] = (float) mismatch;
right_matches = Arrays.copyOf(left, left.length);
}
@Benchmark
public int matches() {
return Arrays.mismatch(left, right_matches);
}
@Benchmark
public int differentSubrangeMatches() {
return Arrays.mismatch(left, leftStartRange, leftEndRange, right_matches, rightStartRange, rightEndRange);
}
@Benchmark
public int mismatchEnd() {
return Arrays.mismatch(left, right_endMismatch);
}
@Benchmark
public int mismatchMid() {
return Arrays.mismatch(left, right_midMismatch);
}
@Benchmark
public int mismatchStart() {
return Arrays.mismatch(left, right_startMismatch);
}
}
public static class Double extends ArraysMismatch {
double[] left;
double[] right_startMismatch;
double[] right_midMismatch;
double[] right_endMismatch;
double[] right_matches;
public void specificSetup() {
left = new double[size];
Arrays.fill(left, (double) fill);
right_startMismatch = Arrays.copyOf(left, left.length);
right_startMismatch[2] = (double) mismatch;
right_midMismatch = Arrays.copyOf(left, left.length);
right_midMismatch[size / 2] = (double) mismatch;
right_endMismatch = Arrays.copyOf(left, left.length);
right_endMismatch[size - 5] = (double) mismatch;
right_matches = Arrays.copyOf(left, left.length);
}
@Benchmark
public int matches() {
return Arrays.mismatch(left, right_matches);
}
@Benchmark
public int differentSubrangeMatches() {
return Arrays.mismatch(left, leftStartRange, leftEndRange, right_matches, rightStartRange, rightEndRange);
}
@Benchmark
public int mismatchEnd() {
return Arrays.mismatch(left, right_endMismatch);
}
@Benchmark
public int mismatchMid() {
return Arrays.mismatch(left, right_midMismatch);
}
@Benchmark
public int mismatchStart() {
return Arrays.mismatch(left, right_startMismatch);
}
}
}