/*
* 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.groovy.perf;
import groovy.lang.GroovySystem;
import org.apache.commons.math3.stat.descriptive.DescriptiveStatistics;
import java.io.File;
import java.io.FileWriter;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
public class CompilerPerformanceTest {
private final static String GROOVY_VERSION = GroovySystem.getVersion();
private final static int WARMUP = 200;
private final static int REPEAT = 1000;
public static void main(String[] args) throws Exception {
List<File> sources = new ArrayList<>();
List<URL> classpath = new ArrayList<>();
boolean isCp = false;
for (String arg : args) {
if ("-cp".equals(arg)) {
isCp = true;
} else if (isCp) {
classpath.add(new File(arg).toURI().toURL());
} else {
sources.add(new File(arg));
}
}
ScriptCompilationExecuter executer = new ScriptCompilationExecuter(
sources.toArray(new File[sources.size()]),
classpath
);
System.out.println("Using Groovy " + GROOVY_VERSION);
DescriptiveStatistics stats = new DescriptiveStatistics();
for (int i=0;i<WARMUP+REPEAT;i++) {
if (i<WARMUP) {
System.out.println("Warmup #" + (i+1));
} else {
System.out.println("Round #" + (i-WARMUP));
}
long dur = executer.execute();
System.gc();
System.out.printf("Compile time = %dms%n", dur);
if (i>=WARMUP) {
stats.addValue((double) dur);
}
}
System.out.println("Compilation took " + stats.getMean() + "ms ± " + stats.getStandardDeviation() + "ms");
FileWriter wrt = new FileWriter(new File("target/compilation-stats.csv"), true);
wrt.append(String.format("%s;%s;%s\n", GROOVY_VERSION, stats.getMean(), stats.getStandardDeviation()));
wrt.close();
}
}