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Issue #2909 - adding jmh tests 

Signed-off-by: Joakim Erdfelt <joakim.erdfelt@gmail.com>
This commit is contained in:
Joakim Erdfelt 2019-05-14 12:34:13 -05:00 committed by Greg Wilkins
parent 73d7eaaba3
commit 076c6b1c71
1 changed files with 116 additions and 0 deletions
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jetty-jmh/src/main/java/org/eclipse/jetty/util/jmh/B64CodeBenchmark.java Normal file
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//
// ========================================================================
// Copyright (c) 1995-2019 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.util.jmh;
import java.util.Base64;
import java.util.Random;
import java.util.concurrent.TimeUnit;
import org.eclipse.jetty.util.B64Code;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Level;
import org.openjdk.jmh.annotations.Measurement;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.Param;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.Setup;
import org.openjdk.jmh.annotations.State;
import org.openjdk.jmh.annotations.TearDown;
import org.openjdk.jmh.annotations.Threads;
import org.openjdk.jmh.annotations.Warmup;
import org.openjdk.jmh.profile.GCProfiler;
import org.openjdk.jmh.runner.Runner;
import org.openjdk.jmh.runner.RunnerException;
import org.openjdk.jmh.runner.options.Options;
import org.openjdk.jmh.runner.options.OptionsBuilder;
@State(Scope.Benchmark)
@Threads(4)
@Warmup(iterations = 4, time = 1, timeUnit = TimeUnit.SECONDS)
@Measurement(iterations = 4, time = 1, timeUnit = TimeUnit.SECONDS)
public class B64CodeBenchmark
{
@Param({"200", "2000", "20000", "200000"})
int size;
Base64.Encoder javaEncoder;
Base64.Decoder javaDecoder;
byte[] rawBuffer;
String rawEncodedBuffer;
@Setup(Level.Trial)
public void setupTrial() throws Exception
{
rawBuffer = new byte[size];
Random random = new Random();
random.setSeed(8080);
random.nextBytes(rawBuffer);
javaEncoder = Base64.getEncoder();
javaDecoder = Base64.getDecoder();
// prepare encoded buffer for Decode benchmarks
rawEncodedBuffer = Base64.getEncoder().encodeToString(rawBuffer);
}
@TearDown(Level.Trial)
public static void stopTrial() throws Exception
{
}
@Benchmark
@BenchmarkMode({Mode.Throughput})
public char[] testJettyEncode() throws Exception
{
return B64Code.encode(rawBuffer);
}
@Benchmark
@BenchmarkMode({Mode.Throughput})
public byte[] testJettyDecode() throws Exception
{
return B64Code.decode(rawEncodedBuffer);
}
@Benchmark
@BenchmarkMode({Mode.Throughput})
public byte[] testJavaEncode()
{
return javaEncoder.encode(rawBuffer);
}
@Benchmark
@BenchmarkMode({Mode.Throughput})
public byte[] testJavaDecode()
{
return javaDecoder.decode(rawEncodedBuffer);
}
public static void main(String[] args) throws RunnerException
{
Options opt = new OptionsBuilder()
.include(B64CodeBenchmark.class.getSimpleName())
.addProfiler(GCProfiler.class)
.forks(1)
.build();
new Runner(opt).run();
}
}