Package org.elasticsearch.script.groovy

Source Code of org.elasticsearch.script.groovy.SimpleBench

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

/**
* @author kimchy (shay.banon)
*/
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());
    }
}
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