| /* |
| * 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. |
| */ |
| |
| package org.apache.bookkeeper.common; |
| |
| import com.google.common.collect.ImmutableMap; |
| |
| import java.util.Map; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.TimeUnit; |
| import java.util.function.Supplier; |
| |
| import org.apache.bookkeeper.common.util.OrderedExecutor; |
| import org.apache.bookkeeper.common.util.OrderedScheduler; |
| import org.openjdk.jmh.annotations.Benchmark; |
| import org.openjdk.jmh.annotations.Fork; |
| import org.openjdk.jmh.annotations.Level; |
| import org.openjdk.jmh.annotations.Measurement; |
| import org.openjdk.jmh.annotations.OutputTimeUnit; |
| 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; |
| |
| /** |
| * Microbenchmarks for different executors providers. |
| */ |
| @OutputTimeUnit(TimeUnit.MILLISECONDS) |
| @Threads(16) |
| @Fork(1) |
| @Warmup(iterations = 1, time = 10, timeUnit = TimeUnit.SECONDS) |
| @Measurement(iterations = 3, time = 10, timeUnit = TimeUnit.SECONDS) |
| public class OrderedExecutorBenchmark { |
| |
| private static Map<String, Supplier<ExecutorService>> providers = ImmutableMap.of( // |
| "JDK-ThreadPool", () -> Executors.newFixedThreadPool(1), |
| "OrderedExecutor", () -> OrderedExecutor.newBuilder().numThreads(1).build(), // |
| "OrderedScheduler", () -> OrderedScheduler.newSchedulerBuilder().numThreads(1).build()); |
| |
| @State(Scope.Benchmark) |
| public static class TestState { |
| @Param({ "JDK-ThreadPool", "OrderedExecutor", "OrderedScheduler" }) |
| private String executorName; |
| |
| private ExecutorService executor; |
| |
| @Setup(Level.Trial) |
| public void setup() { |
| executor = providers.get(executorName).get(); |
| } |
| |
| @TearDown(Level.Trial) |
| public void teardown() { |
| executor.shutdown(); |
| } |
| } |
| |
| @Benchmark |
| public void submitAndWait(TestState s) throws Exception { |
| s.executor.submit(() -> { |
| }).get(); |
| } |
| } |