rhino1.7.6.testsrc.org.mozilla.javascript.benchmarks.V8Benchmark Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of rhino Show documentation

Rhino is an open-source implementation of JavaScript written entirely in Java. It is typically embedded into Java applications to provide scripting to end users.

There is a newer version: 1.7.15

Show newest version

package org.mozilla.javascript.benchmarks;

import org.junit.AfterClass;
import org.junit.Test;
import org.mozilla.javascript.Context;
import org.mozilla.javascript.tools.shell.Global;

import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.HashMap;

public class V8Benchmark
{
    public static final String TEST_SRC = "run.js";
    private static final String OUT_FILE = "../../../build/v8benchmark.csv";

    private static final HashMap results = new HashMap();

    @AfterClass
    public static void writeResults()
        throws IOException
    {
        PrintWriter out = new PrintWriter(new FileWriter(OUT_FILE));
        // Hard code the opt levels for now -- we will make it more generic when we need to
        out.println("Optimization 0,Optimization 9");
        out.println(results.get(0) + ',' + results.get(9));
        out.close();
    }

    private void runTest(int optLevel)
        throws IOException
    {
        FileInputStream srcFile = new FileInputStream(TEST_SRC);
        InputStreamReader rdr = new InputStreamReader(srcFile, "utf8");

        try {
            Context cx = Context.enter();
            cx.setLanguageVersion(Context.VERSION_1_8);
            cx.setOptimizationLevel(optLevel);
            Global root = new Global(cx);
            root.put("RUN_NAME", root, "V8-Benchmark-" + optLevel);
            Object result = cx.evaluateReader(root, rdr, TEST_SRC, 1, null);
            results.put(optLevel, result.toString());
        } finally {
            rdr.close();
            srcFile.close();
        }
    }

    @Test
    public void testOptLevel9()
        throws IOException
    {
        runTest(9);
    }

    @Test
    public void testOptLevel0()
        throws IOException
    {
        runTest(0);
    }
}