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/*
* Copyright (C) 2016 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.SampleTime)
@OutputTimeUnit(TimeUnit.MICROSECONDS)
public class IndexOfElementBenchmark {
ByteString byteString = ByteString.encodeUtf8("abcd");
Buffer buffer;
@Param({ "32768" })
int bufferSize;
@Setup
public void setup() throws IOException {
buffer = new Buffer()
.write(new byte[bufferSize / 2])
.write(byteString)
.write(new byte[(bufferSize / 2) - byteString.size()]);
}
@Benchmark
public void indexOfByte() throws IOException {
buffer.indexOf((byte) 'b', 0L);
}
@Benchmark
public void indexOfByteString() throws IOException {
buffer.indexOf(byteString, 0L);
}
@Benchmark
public void indexOfElement() throws IOException {
buffer.indexOfElement(byteString, 0L);
}
public static void main(String[] args) throws IOException, RunnerException {
Main.main(new String[] {
IndexOfElementBenchmark.class.getName()
});
}
}
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