io.netty.microbenchmark.common.MathOperationsBenchmark Maven / Gradle / Ivy
/*
* Copyright 2016 The Netty Project
*
* The Netty Project licenses this file to you under the Apache License, version 2.0 (the
* "License"); you may not use this file except in compliance with the License. You may obtain a
* copy of the License at:
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package io.netty.microbenchmark.common;
import io.netty.microbench.util.AbstractMicrobenchmark;
import org.openjdk.jmh.annotations.Benchmark;
public class MathOperationsBenchmark extends AbstractMicrobenchmark {
private int index;
private final int length = 1 << 20;
private final int mask = length - 1;
@Benchmark
public int nextIndexNoConditionals() {
return (index + 1) & mask;
}
@Benchmark
public int nextIndexConditionals() {
return index == length - 1 ? 0 : index + 1;
}
}