71 lines
2.9 KiB
Java
71 lines
2.9 KiB
Java
/*
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* Copyright (c) 2014, Oracle America, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of Oracle nor the names of its contributors may be used
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* to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package com.decathlon;
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import com.decathlon.concatenation.AddOperatorConcatenator;
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import com.decathlon.concatenation.AppendConcatenator;
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import com.decathlon.concatenation.StringConcatenator;
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import org.openjdk.jmh.annotations.Benchmark;
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import org.openjdk.jmh.annotations.BenchmarkMode;
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import org.openjdk.jmh.annotations.Mode;
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import org.openjdk.jmh.annotations.OutputTimeUnit;
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import org.openjdk.jmh.annotations.Scope;
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import org.openjdk.jmh.annotations.State;
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import org.openjdk.jmh.annotations.Warmup;
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import org.openjdk.jmh.infra.Blackhole;
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import java.util.concurrent.TimeUnit;
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@State(Scope.Benchmark)
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@BenchmarkMode({
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Mode.AverageTime, // temps moyen
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Mode.Throughput // nombre d'execution par milliseconde
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})
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@Warmup(iterations = 5, time = 2)
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//@Fork(2) // start multiple JVM
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public class MyBenchmark {
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@Benchmark
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@OutputTimeUnit(TimeUnit.MILLISECONDS)
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public void concatWithAddOperator(Blackhole blackhole) {
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StringConcatenator concatenator = new AddOperatorConcatenator();
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blackhole.consume(concatenator.concat("a fond", "la forme"));
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}
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@Benchmark
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@OutputTimeUnit(TimeUnit.MILLISECONDS)
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public void concatAppender(Blackhole blackhole) {
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StringConcatenator concatenator = new AppendConcatenator();
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blackhole.consume(concatenator.concat("a fond", "la forme"));
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}
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}
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