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/*
* Copyright (C) 2018 Square, Inc. and others.
*
* Licensed 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 com.squareup.okio.benchmarks;
import java.io.IOException;
import java.util.concurrent.TimeUnit;
import okio.Buffer;
import okio.ByteString;
import org.openjdk.jmh.Main;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Fork;
import org.openjdk.jmh.annotations.Measurement;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.OutputTimeUnit;
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.Warmup;
import org.openjdk.jmh.runner.RunnerException;
@Fork(1)
@Warmup(iterations = 5, time = 2)
@Measurement(iterations = 5, time = 2)
@State(Scope.Benchmark)
@BenchmarkMode(Mode.Throughput)
@OutputTimeUnit(TimeUnit.SECONDS)
public class SegmentedByteStringBenchmark {
private static final ByteString UNKNOWN = ByteString.encodeUtf8("UNKNOWN");
private static final ByteString SEARCH = ByteString.encodeUtf8("tell");
@Param({"20", "2000", "200000"})
int length;
private ByteString byteString;
@Setup
public void setup() {
String part =
"Um, I'll tell you the problem with the scientific power that you're using here, "
+ "it didn't require any discipline to attain it. You read what others had done and you "
+ "took the next step. You didn't earn the knowledge for yourselves, so you don't take any "
+ "responsibility for it. You stood on the shoulders of geniuses to accomplish something "
+ "as fast as you could, and before you even knew what you had, you patented it, and "
+ "packaged it, and slapped it on a plastic lunchbox, and now you're selling it, you wanna "
+ "sell it.";
Buffer buffer = new Buffer();
while (buffer.size() < length) {
buffer.writeUtf8(part);
}
byteString = buffer.snapshot(length);
}
@Benchmark
public ByteString substring() {
return byteString.substring(1, byteString.size() - 1);
}
@Benchmark
public ByteString md5() {
return byteString.md5();
}
@Benchmark
public int indexOfUnknown() {
return byteString.indexOf(UNKNOWN);
}
@Benchmark
public int lastIndexOfUnknown() {
return byteString.lastIndexOf(UNKNOWN);
}
@Benchmark
public int indexOfEarly() {
return byteString.indexOf(SEARCH);
}
@Benchmark
public int lastIndexOfEarly() {
return byteString.lastIndexOf(SEARCH);
}
public static void main(String[] args) throws IOException, RunnerException {
Main.main(new String[] {SegmentedByteStringBenchmark.class.getName()});
}
}
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