io.netty5.microbench.concurrent.RunnableScheduledFutureAdapterBenchmark Maven / Gradle / Ivy
/*
* Copyright 2017 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.netty5.microbench.concurrent;
import io.netty5.channel.EventLoopGroup;
import io.netty5.channel.MultithreadEventLoopGroup;
import io.netty5.channel.local.LocalHandler;
import io.netty5.microbench.util.AbstractMicrobenchmark;
import io.netty5.util.concurrent.Future;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.Level;
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.TearDown;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.Callable;
import java.util.concurrent.TimeUnit;
@State(Scope.Benchmark)
public class RunnableScheduledFutureAdapterBenchmark extends AbstractMicrobenchmark {
static final EventLoopGroup executor = new MultithreadEventLoopGroup(1, LocalHandler.newFactory());
@State(Scope.Thread)
public static class FuturesHolder {
private static final Callable NO_OP = () -> null;
@Param({ "100", "1000", "10000", "100000" })
int num;
final List> futures = new ArrayList<>();
@Setup(Level.Invocation)
public void reset() throws Exception {
futures.clear();
executor.submit(() -> {
for (int i = 1; i <= num; i++) {
futures.add(executor.schedule(NO_OP, i, TimeUnit.HOURS));
}
}).asStage().sync();
}
}
@TearDown(Level.Trial)
public void stop() throws Exception {
executor.shutdownGracefully().asStage().sync();
}
@Benchmark
public Future cancelInOrder(final FuturesHolder futuresHolder) throws Exception {
return executor.submit(() -> {
for (int i = 0; i < futuresHolder.num; i++) {
futuresHolder.futures.get(i).cancel();
}
}).asStage().sync().future();
}
@Benchmark
public Future cancelInReverseOrder(final FuturesHolder futuresHolder) throws Exception {
return executor.submit(() -> {
for (int i = futuresHolder.num - 1; i >= 0; i--) {
futuresHolder.futures.get(i).cancel();
}
}).asStage().sync().future();
}
}