GroovyScriptMessageProcessor Vs Jsr223ScriptMessageProcessor

GroovyScriptEnginesPerformanceTests.java

/*
 * Copyright 2013 the original author or authors.
 *
 * 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 org.springframework.integration.groovy;

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;

import org.springframework.integration.Message;
import org.springframework.integration.handler.MessageProcessor;
import org.springframework.integration.message.GenericMessage;
import org.springframework.integration.scripting.jsr223.DefaultScriptExecutor;
import org.springframework.integration.scripting.jsr223.ScriptExecutingMessageProcessor;
import org.springframework.scripting.support.StaticScriptSource;
import org.springframework.util.StopWatch;

/**
 * @author Artem Bilan
 * @since 3.0
 */
public class GroovyScriptEnginesPerformanceTests {

	private static final MessageProcessor[] MESSAGE_PROCESSORS = new MessageProcessor[] {
			new ScriptExecutingMessageProcessor(new StaticScriptSource("payload", "TestClass2"), new DefaultScriptExecutor("Groovy")),
			new GroovyScriptExecutingMessageProcessor(new StaticScriptSource("payload", "TestClass1"))
	};

	public static void main(String[] args) {
		runTests(1, "Warm-up", false);
		runTests(100000, "100K", false);
		runTests(100000, "100K Concurrent", true);
	}

	private static void runTests(int count, String description, boolean concurrent) {
		StopWatch watch = new StopWatch(description);
		for (MessageProcessor messageProcessor : MESSAGE_PROCESSORS) {
			runProcessor(messageProcessor, watch,  count, concurrent);
		}
		System.out.println(watch.prettyPrint());
	}

	private static void runProcessor(final MessageProcessor messageProcessor, StopWatch watch, int count, boolean concurrent) {
		ExecutorService executorService = Executors.newFixedThreadPool(100);
		final Message<?> testMessage = new GenericMessage<Object>("test");
		Runnable task = new Runnable() {
			@Override
			public void run() {
				messageProcessor.processMessage(testMessage);
			}
		};
		watch.start(messageProcessor.getClass().getSimpleName());
		for (int i = 0; i < count; i++) {
			if(concurrent) {
				executorService.execute(task);
			}
		    else {
				task.run();
			}
		}
		if (concurrent) {
			executorService.shutdown();
			try {
				executorService.awaitTermination(10, TimeUnit.SECONDS);
			}
			catch (InterruptedException e) {
				e.printStackTrace();
			}
		}
		watch.stop();
	}

}

------------------
StopWatch 'Warm-up': running time (millis) = 342
-----------------------------------------
ms     %     Task name
-----------------------------------------
00332  097%  ScriptExecutingMessageProcessor
00010  003%  GroovyScriptExecutingMessageProcessor

StopWatch '100K': running time (millis) = 1846
-----------------------------------------
ms     %     Task name
-----------------------------------------
01803  098%  ScriptExecutingMessageProcessor
00043  002%  GroovyScriptExecutingMessageProcessor

StopWatch '100K Concurrent': running time (millis) = 792
-----------------------------------------
ms     %     Task name
-----------------------------------------
00725  092%  ScriptExecutingMessageProcessor
00067  008%  GroovyScriptExecutingMessageProcessor