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

144 lines
4.1 KiB
Java

/*
* Copyright (c) 2021, 2022, cle 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
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package org.openjdk.bench.java.util;
import java.util.Arrays;
import java.util.concurrent.TimeUnit;
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.Throughput)
@OutputTimeUnit(TimeUnit.MILLISECONDS)
@State(Scope.Thread)
@Warmup(iterations = 4, time = 2)
@Measurement(iterations = 4, time = 2)
@Fork(value = 3)
public class ArraysMismatchPartialInlining {
@Param({"3", "7", "15", "31", "63", "95", "800"})
private static int size;
byte [] barray1;
char [] carray1;
short [] sarray1;
int [] iarray1;
long [] larray1;
float [] farray1;
double [] darray1;
byte [] barray2;
char [] carray2;
short [] sarray2;
int [] iarray2;
long [] larray2;
float [] farray2;
double [] darray2;
@Setup
public void setup() {
barray1 = new byte[size];
carray1 = new char[size];
sarray1 = new short[size];
iarray1 = new int[size];
larray1 = new long[size];
farray1 = new float[size];
darray1 = new double[size];
barray2 = new byte[size];
carray2 = new char[size];
sarray2 = new short[size];
iarray2 = new int[size];
larray2 = new long[size];
farray2 = new float[size];
darray2 = new double[size];
Arrays.fill(barray1 , (byte)0xF);
Arrays.fill(carray1 , (char)0xFF);
Arrays.fill(sarray1 , (short)0xFF);
Arrays.fill(iarray1 , -1);
Arrays.fill(larray1 , -1L);
Arrays.fill(farray1 , -1.0f);
Arrays.fill(darray1, -1.0);
Arrays.fill(barray2 , (byte)0xF);
Arrays.fill(carray2 , (char)0xFF);
Arrays.fill(sarray2 , (short)0xFF);
Arrays.fill(iarray2 , -1);
Arrays.fill(larray2 , -1L);
Arrays.fill(farray2 , -1.0F);
Arrays.fill(darray2, -1.0);
barray2[size-1] = (byte)1;
carray2[size-1] = (char)1;
sarray2[size-1] = (short)1;
iarray2[size-1] = 1;
larray2[size-1] = 1L;
farray2[size-1] = 1.0f;
darray2[size-1] = 1.0;
}
@Benchmark
public int testByteMatch() {
return Arrays.mismatch(barray1, barray2);
}
@Benchmark
public int testCharMatch() {
return Arrays.mismatch(carray1, carray2);
}
@Benchmark
public int testShortMatch() {
return Arrays.mismatch(sarray1, sarray2);
}
@Benchmark
public int testIntMatch() {
return Arrays.mismatch(iarray1, iarray2);
}
@Benchmark
public int testLongMatch() {
return Arrays.mismatch(larray1, larray2);
}
@Benchmark
public int testFloatMatch() {
return Arrays.mismatch(farray1, farray2);
}
@Benchmark
public int testDoubleMatch() {
return Arrays.mismatch(darray1, darray2);
}
}