/*
*
* Copyright 2016 Robert Winkler and Bohdan Storozhuk
*
* Licensed 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.
*
*
*/
package io.github.resilience4j.circularbuffer;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Fork;
import org.openjdk.jmh.annotations.Group;
import org.openjdk.jmh.annotations.GroupThreads;
import org.openjdk.jmh.annotations.Measurement;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.OutputTimeUnit;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.Setup;
import org.openjdk.jmh.annotations.State;
import org.openjdk.jmh.annotations.Warmup;
import org.openjdk.jmh.infra.Blackhole;
import org.openjdk.jmh.runner.Runner;
import org.openjdk.jmh.runner.RunnerException;
import org.openjdk.jmh.runner.options.Options;
import org.openjdk.jmh.runner.options.OptionsBuilder;
import java.util.concurrent.TimeUnit;
/**
* @author bstorozhuk
*/
@State(Scope.Benchmark)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
@BenchmarkMode(Mode.AverageTime)
public class ConcurrentEvictingQueueBenchmark {
public static final int FORK_COUNT = 2;
private static final int WARMUP_COUNT = 10;
private static final int ITERATION_COUNT = 10;
private static final int CAPACITY = 10;
private ConcurrentEvictingQueue<Object> queue;
private Object event;
@Setup
public void setUp() {
event = new Object();
queue = new ConcurrentEvictingQueue<>(CAPACITY);
}
@Benchmark
@Warmup(iterations = WARMUP_COUNT)
@Fork(value = FORK_COUNT)
@Measurement(iterations = ITERATION_COUNT)
@Group("concurrentEvictingQueue")
@GroupThreads(2)
public void concurrentEvictingQueueAdd() {
queue.add(event);
}
@Benchmark
@Warmup(iterations = WARMUP_COUNT)
@Fork(value = FORK_COUNT)
@Measurement(iterations = ITERATION_COUNT)
@Group("concurrentEvictingQueue")
@GroupThreads(1)
public void concurrentEvictingQueueSize(Blackhole bh) {
int size = queue.size();
bh.consume(size);
}
@Benchmark
@Warmup(iterations = WARMUP_COUNT)
@Fork(value = FORK_COUNT)
@Measurement(iterations = ITERATION_COUNT)
@Group("concurrentEvictingQueue")
@GroupThreads(1)
public void concurrentEvictingQueuePoll(Blackhole bh) {
Object event = queue.poll();
bh.consume(event);
}
@Benchmark
@Warmup(iterations = WARMUP_COUNT)
@Fork(value = FORK_COUNT)
@Measurement(iterations = ITERATION_COUNT)
@Group("concurrentEvictingQueue")
@GroupThreads(1)
public void concurrentEvictingQueuePeek(Blackhole bh) {
Object event = queue.peek();
bh.consume(event);
}
public static void main(String[] args) throws RunnerException {
Options options = new OptionsBuilder()
.include(".*" + ConcurrentEvictingQueueBenchmark.class.getSimpleName() + ".*")
.build();
new Runner(options).run();
}
}