| /* |
| * 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.ignite.jvmtest; |
| |
| import java.util.concurrent.ArrayBlockingQueue; |
| import java.util.concurrent.BlockingQueue; |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.LinkedBlockingDeque; |
| import java.util.concurrent.LinkedBlockingQueue; |
| import java.util.concurrent.atomic.LongAdder; |
| import org.apache.ignite.internal.util.GridTimer; |
| import org.apache.ignite.internal.util.typedef.X; |
| import org.apache.ignite.testframework.GridTestUtils; |
| |
| /** |
| * Blocking queue performance benchmark. |
| */ |
| public class BlockingQueueTest { |
| /** Number of retries. */ |
| private static final int RETRIES = 3; |
| |
| /** Number of attempts. */ |
| private static final int CNT = 1000000; |
| |
| /** Number of threads. */ |
| private static final int THREAD_CNT = Runtime.getRuntime().availableProcessors(); |
| |
| /** |
| * Main method. |
| * |
| * @param args Parameters. |
| * @throws Exception If failed. |
| */ |
| public static void main(String[] args) throws Exception { |
| for (int i = 0; i < RETRIES; i++) { |
| X.println(">>>"); |
| X.println(">>> Executing single threaded attempt: " + i); |
| X.println(">>>"); |
| |
| testBlockingQueue("single-threaded-linked-queue", new LinkedBlockingQueue<>()); |
| testBlockingQueue("single-threaded-linked-deque", new LinkedBlockingDeque<>()); |
| testBlockingQueue("single-threaded-array-queue", new ArrayBlockingQueue<>(CNT + 10)); |
| } |
| |
| for (int i = 0; i < RETRIES; i++) { |
| X.println(">>>"); |
| X.println(">>> Executing multi-threaded attempt: " + i); |
| X.println(">>>"); |
| |
| testBlockingQueueMultithreaded("multi-threaded-linked-queue", new LinkedBlockingQueue<>()); |
| testBlockingQueueMultithreaded("multi-threaded-linked-deque", new LinkedBlockingDeque<>()); |
| testBlockingQueueMultithreaded("multi-threaded-array-queue", new ArrayBlockingQueue<>( |
| THREAD_CNT * CNT + 100)); |
| } |
| } |
| |
| /** |
| * @throws InterruptedException If interrupted. |
| */ |
| private static void waitGc() throws InterruptedException { |
| System.gc(); |
| System.gc(); |
| |
| X.println(">>> Waiting for GC to complete..."); |
| |
| Thread.sleep(1000); |
| } |
| |
| /** |
| * @param testName Test name. |
| * @param q Queue to test. |
| * @throws InterruptedException If interrupted. |
| */ |
| private static void testBlockingQueue(String testName, BlockingQueue<Object> q) throws InterruptedException { |
| waitGc(); |
| |
| X.println(">>> Starting test for: " + testName); |
| |
| long dur = testBlockingQueue(q); |
| |
| X.println(">>> Tested queue [testName=" + testName + ", dur=" + dur + "ms]"); |
| |
| assert q.isEmpty(); |
| } |
| |
| /** |
| * @param testName Test name. |
| * @param q Queue. |
| * @throws Exception If failed. |
| */ |
| private static void testBlockingQueueMultithreaded(String testName, final BlockingQueue<Object> q) |
| throws Exception { |
| waitGc(); |
| |
| X.println(">>> Starting test for: " + testName); |
| |
| final LongAdder adder = new LongAdder(); |
| |
| GridTestUtils.runMultiThreaded(new Callable<Object>() { |
| @Override public Object call() throws Exception { |
| adder.add(testBlockingQueue(q)); |
| |
| return null; |
| } |
| }, THREAD_CNT, "queue-test-worker"); |
| |
| X.println(">>> Tested queue [testName=" + testName + ", dur=" + adder.sum() + "ms]"); |
| |
| assert q.isEmpty(); |
| } |
| |
| /** |
| * @param q Queue to test. |
| * @throws InterruptedException If interrupted. |
| */ |
| private static long testBlockingQueue(BlockingQueue<Object> q) throws InterruptedException { |
| GridTimer timer = new GridTimer("blocking-queue"); |
| |
| for (int i = 0; i < CNT; i++) |
| q.put(new Object()); |
| |
| for (int i = 0; i < CNT; i++) { |
| Object o = q.take(); |
| |
| assert o != null; |
| } |
| |
| timer.stop(); |
| |
| return timer.duration(); |
| } |
| } |