jdk-24/test/micro/org/openjdk/bench/vm/compiler/RangeCheckHoisting.java
2022-09-14 14:20:39 +00:00

55 lines
1.7 KiB
Java

/*
* Copyright (c) 2022, Arm Limited. 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.vm.compiler;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.Param;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.State;
@State(Scope.Benchmark)
public class RangeCheckHoisting {
private static final int SIZE = 65536;
@Param("6789") private int count;
private static int[] a = new int[SIZE];
private static int[] b = new int[SIZE];
@Benchmark
public void ivScaled3() {
for (int i = 0; i < count; i++) {
b[3 * i] = a[3 * i];
}
}
@Benchmark
public void ivScaled7() {
for (int i = 0; i < count; i++) {
b[7 * i] = a[7 * i];
}
}
}