SimpleBench.java

/*
 * Licensed to ElasticSearch and Shay Banon under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. ElasticSearch 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.elasticsearch.script.groovy;

import org.elasticsearch.common.StopWatch;
import org.elasticsearch.common.settings.ImmutableSettings;
import org.elasticsearch.script.ExecutableScript;

import java.util.HashMap;
import java.util.Map;

/**
 *
 */
public class SimpleBench {

    public static void main(String[] args) {
        GroovyScriptEngineService se = new GroovyScriptEngineService(ImmutableSettings.Builder.EMPTY_SETTINGS);
        Object compiled = se.compile("x + y");

        Map<String, Object> vars = new HashMap<String, Object>();
        // warm up
        for (int i = 0; i < 1000; i++) {
            vars.put("x", i);
            vars.put("y", i + 1);
            se.execute(compiled, vars);
        }

        final long ITER = 100000;

        StopWatch stopWatch = new StopWatch().start();
        for (long i = 0; i < ITER; i++) {
            se.execute(compiled, vars);
        }
        System.out.println("Execute Took: " + stopWatch.stop().lastTaskTime());

        stopWatch = new StopWatch().start();
        ExecutableScript executableScript = se.executable(compiled, vars);
        for (long i = 0; i < ITER; i++) {
            executableScript.run();
        }
        System.out.println("Executable Took: " + stopWatch.stop().lastTaskTime());
    }
}