QueueBenchmark.java

package io.blobkeeper.benchmark.micro;

/*
 * Copyright (C) 2016 by Denis M. Gabaydulin
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF 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
 *
 *    http://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.
 */

import org.openjdk.jmh.annotations.*;
import org.openjdk.jmh.infra.Blackhole;

import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.TimeUnit;

@BenchmarkMode(Mode.AverageTime)
@State(Scope.Benchmark)
@Fork(3)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
@Warmup(iterations = 3, time = 10, timeUnit = TimeUnit.SECONDS)
@Measurement(iterations = 5, time = 10, timeUnit = TimeUnit.SECONDS)
public class QueueBenchmark {

    @Param({"100", "1000", "10000"})
    public int elts;

    private BlockingQueue<Long> queue;

    @Setup
    public void setup() {
        queue = new ArrayBlockingQueue<>(1048576);
    }

    @Benchmark
    public void offer(Blackhole bh) throws InterruptedException {
        for (long i = 0; i < elts; i++) {
            queue.offer(i);
            bh.consume(i);
        }
    }
}