50 lines
1.4 KiB
Java
50 lines
1.4 KiB
Java
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package jmh;
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import org.openjdk.jmh.annotations.*;
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import org.openjdk.jmh.runner.Runner;
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import org.openjdk.jmh.runner.RunnerException;
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import org.openjdk.jmh.runner.options.Options;
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import org.openjdk.jmh.runner.options.OptionsBuilder;
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import java.util.concurrent.BlockingDeque;
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import java.util.concurrent.LinkedBlockingDeque;
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import java.util.concurrent.TimeUnit;
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@BenchmarkMode(Mode.AverageTime)
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@Fork(1)
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@Warmup(iterations = 5)
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@Measurement(iterations = 5)
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@OutputTimeUnit(TimeUnit.MICROSECONDS)
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@State(Scope.Group)
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public class JMHExample14 {
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private final static int VALUE = Integer.MAX_VALUE;
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private BlockingDeque<Integer> queue;
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public static void main(String[] args) throws RunnerException {
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final Options options = new OptionsBuilder()
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.include(JMHExample14.class.getSimpleName())
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.build();
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new Runner(options).run();
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}
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@Setup
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public void init() {
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this.queue = new LinkedBlockingDeque<>(10);
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}
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// 会出现长时间的阻塞最长时间正常是10分钟，在下一章节会对这个进行优化
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@GroupThreads(5)
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@Group("blockingQueue")
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@Benchmark
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public void put() throws InterruptedException {
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this.queue.put(VALUE);
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}
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@GroupThreads(5)
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@Group("blockingQueue")
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@Benchmark
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public int take() throws InterruptedException {
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return this.queue.take();
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}
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}
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