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v1.3 run with perf

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Shautvast 2023-08-28 21:01:45 +02:00
parent 760b737cf4
commit 3476ccf58e
1 changed files with 21 additions and 1 deletions
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22
src/main/java/com/github/shautvast/benchmarks/loops/LoopBenchmark.java
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@ -1,6 +1,14 @@
package com.github.shautvast.benchmarks.loops; package com.github.shautvast.benchmarks.loops;
import org.openjdk.jmh.annotations.*; import org.openjdk.jmh.annotations.*;
import org.openjdk.jmh.profile.AsyncProfiler;
import org.openjdk.jmh.profile.LinuxPerfAsmProfiler;
import org.openjdk.jmh.profile.Profiler;
import org.openjdk.jmh.profile.ProfilerException;
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.*; import java.util.*;
import java.util.concurrent.TimeUnit; import java.util.concurrent.TimeUnit;
@ -12,7 +20,7 @@ public class LoopBenchmark {
@org.openjdk.jmh.annotations.State(Scope.Thread) @org.openjdk.jmh.annotations.State(Scope.Thread)
public static class State { public static class State {
final static int LIST_SIZE = 1000; final static int LIST_SIZE = 1;
List<String> list = new ArrayList<>(LIST_SIZE); List<String> list = new ArrayList<>(LIST_SIZE);
@Setup(Level.Iteration) @Setup(Level.Iteration)
@ -54,4 +62,16 @@ public class LoopBenchmark {
public long stream(LoopBenchmark.State state) { public long stream(LoopBenchmark.State state) {
return state.list.stream().mapToLong(String::length).sum(); return state.list.stream().mapToLong(String::length).sum();
} }
public static void main(String[] args) throws RunnerException {
Options opt = new OptionsBuilder()
.include(LoopBenchmark.class.getSimpleName())
.forks(1)
.mode(Mode.AverageTime)
.timeUnit(TimeUnit.NANOSECONDS)
.addProfiler(LinuxPerfAsmProfiler.class)
.build();
new Runner(opt).run();
}
} }