forked from netty/netty
/
ScheduleFutureTaskBenchmark.java
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/
ScheduleFutureTaskBenchmark.java
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/*
* Copyright 2019 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:
*
* 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.netty.util.concurrent;
import java.util.concurrent.Callable;
import java.util.concurrent.TimeUnit;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.Level;
import org.openjdk.jmh.annotations.Measurement;
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 org.openjdk.jmh.annotations.Threads;
import org.openjdk.jmh.annotations.Warmup;
import io.netty.channel.DefaultEventLoop;
import io.netty.microbench.util.AbstractMicrobenchmark;
@Warmup(iterations = 5, time = 1, timeUnit = TimeUnit.SECONDS)
@Measurement(iterations = 10, time = 1, timeUnit = TimeUnit.SECONDS)
@State(Scope.Benchmark)
public class ScheduleFutureTaskBenchmark extends AbstractMicrobenchmark {
static final Callable<Void> NO_OP = new Callable<Void>() {
@Override
public Void call() throws Exception {
return null;
}
};
@State(Scope.Thread)
public static class ThreadState {
@Param({ "100000" })
int num;
AbstractScheduledEventExecutor eventLoop;
@Setup(Level.Trial)
public void reset() {
eventLoop = new DefaultEventLoop();
}
@Setup(Level.Invocation)
public void clear() {
eventLoop.submit(new Runnable() {
@Override
public void run() {
eventLoop.cancelScheduledTasks();
}
}).awaitUninterruptibly();
}
@TearDown(Level.Trial)
public void shutdown() {
eventLoop.shutdownGracefully().awaitUninterruptibly();
}
}
@Benchmark
@Threads(3)
public Future<?> scheduleLots(final ThreadState threadState) {
return threadState.eventLoop.submit(new Runnable() {
@Override
public void run() {
for (int i = 1; i <= threadState.num; i++) {
threadState.eventLoop.schedule(NO_OP, i, TimeUnit.HOURS);
}
}
}).syncUninterruptibly();
}
}