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橘子学JDK之JMH-02(BenchmarkModes)-CSDN博客
一、案例二代码 这次我们来搞一下官网文档的第二个案例,我删除了一些没用的注释,然后对代码做了一下注释的翻译,可以看一下意思。 package com.levi; import org.openjdk.jmh.annotations.*; 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; import java.util.concurrent.TimeUnit; @Warmup(iterations = 1,time = 1) @Measurement(iterations = 1,time = 1) public class JMHSample_02_01_BenchmarkModes { @Benchmark...
103.【Java Microbenchmark Harness】(五)
package org.openjdk.jmh.samples; import org.openjdk.jmh.annotations.*; 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; import java.lang.management.ManagementFactory; import java.util.concurrent.TimeUnit; /** * 我们发现进程pid是一样的,初步推测fork(10),代表新开10个进程 */ @State(Scope.Thread) @BenchmarkMode(Mode.AverageTime) @OutputTimeUnit(TimeUnit.NANOSECONDS)...
103.【Java Microbenchmark Harness】(二)
package org.openjdk.jmh.samples; import org.openjdk.jmh.annotations.*; 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; import java.util.concurrent.TimeUnit; @State(Scope.Thread) //可以免除静态内部类 @Warmup(iterations = 1,time = 1,timeUnit = TimeUnit.SECONDS) //预热次数和时间 @Measurement(iterations = 3,time = 1,timeUnit = TimeUnit.SECONDS) //测试次数和时间 public class...
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