net.dryuf.concurrent.benchmark.SinglePostListenerAsyncBenchmark.java Source code

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Here is the source code for net.dryuf.concurrent.benchmark.SinglePostListenerAsyncBenchmark.java

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/*
 * Copyright 2015 Zbynek Vyskovsky mailto:kvr@centrum.cz http://kvr.znj.cz/ http://github.com/kvr000/
 *
 * 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 net.dryuf.concurrent.benchmark;

import com.google.common.util.concurrent.MoreExecutors;
import net.dryuf.concurrent.DefaultFutureListener;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.Fork;
import org.openjdk.jmh.annotations.Measurement;
import org.openjdk.jmh.annotations.Warmup;
import org.springframework.util.concurrent.ListenableFutureCallback;

import java.util.concurrent.ExecutionException;
import java.util.concurrent.Executor;
import java.util.concurrent.Future;
import java.util.concurrent.FutureTask;

public class SinglePostListenerAsyncBenchmark {
    public static final int WARMUP_ITERATIONS = BenchmarkSupport.WARMUP_ITERATIONS;
    public static final int COUNT = BenchmarkSupport.COUNT;

    @Benchmark
    @Warmup(iterations = WARMUP_ITERATIONS)
    @Measurement(iterations = 2, batchSize = 1)
    @Fork(warmups = 1, value = 1)
    public void benchmarkJdk() throws Exception {
        FutureTask<Integer>[] array = BenchmarkSupport.populateJdkFutureArray(COUNT);
        for (FutureTask<Integer> f : array) {
            // nothing to add, no listenable
        }
        BenchmarkSupport.threadedRunFutures(array);
        for (FutureTask<Integer> f : array) {
            f.get();
        }
    }

    @Benchmark
    @Warmup(iterations = WARMUP_ITERATIONS)
    @Measurement(iterations = 2, batchSize = 1)
    @Fork(warmups = 1, value = 1)
    public void benchmarkLwFuture() throws ExecutionException, InterruptedException {
        net.dryuf.concurrent.ListenableFutureTask<Integer>[] array = BenchmarkSupport.populateLwFutureArray(COUNT);
        BenchmarkSupport.threadedRunFutures(array);
        for (net.dryuf.concurrent.ListenableFutureTask<Integer> f : array) {
            f.addListener(new DefaultFutureListener<Integer>());
        }
        // skip futures.get() as we already handled in listeners
    }

    @Benchmark
    @Warmup(iterations = WARMUP_ITERATIONS)
    @Measurement(iterations = 2, batchSize = 1)
    @Fork(warmups = 1, value = 1)
    public void benchmarkGuava() throws ExecutionException, InterruptedException {
        Executor directExecutor = MoreExecutors.directExecutor();
        com.google.common.util.concurrent.ListenableFutureTask<Integer>[] array = BenchmarkSupport
                .populateGuavaFutureArray(COUNT);
        BenchmarkSupport.threadedRunFutures(array);
        for (com.google.common.util.concurrent.ListenableFutureTask<Integer> f : array) {
            final Future<Integer> ff = f;
            f.addListener(() -> {
                try {
                    ff.get();
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                } catch (ExecutionException e) {
                }
            }, directExecutor);
        }
        // skip futures.get() as we already handled in listeners
    }

    @Benchmark
    @Warmup(iterations = WARMUP_ITERATIONS)
    @Measurement(iterations = 2, batchSize = 1)
    @Fork(warmups = 1, value = 1)
    public void benchmarkSpring() throws ExecutionException, InterruptedException {
        org.springframework.util.concurrent.ListenableFutureTask<Integer>[] array = BenchmarkSupport
                .populateSpringFutureArray(COUNT);
        BenchmarkSupport.threadedRunFutures(array);
        for (org.springframework.util.concurrent.ListenableFutureTask<Integer> f : array) {
            f.addCallback(new ListenableFutureCallback<Integer>() {
                @Override
                public void onFailure(Throwable ex) {
                }

                @Override
                public void onSuccess(Integer result) {
                }
            });
        }
        // skip futures.get() as we already handled in listeners
    }
}