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8287810: Reduce runtime of java.lang microbenchmarks

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Reviewed-by: mchung
This commit is contained in:
Claes Redestad 2022-06-07 07:23:30 +00:00
parent aa6c568a06
commit 778ed1a760
39 changed files with 206 additions and 101 deletions
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14
test/micro/org/openjdk/bench/java/lang/ThreadOnSpinWait.java
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@ -24,14 +24,20 @@ package org.openjdk.bench.java.lang;
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.Threads;
import org.openjdk.jmh.annotations.Warmup;
import java.util.concurrent.TimeUnit;
@BenchmarkMode(Mode.AverageTime)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
@Warmup(iterations = 5, time = 1)
@Measurement(iterations = 5, time = 1)
@Fork(value = 3)
public class ThreadOnSpinWait {
@Benchmark
@Threads(1)
@ -39,14 +45,12 @@ public class ThreadOnSpinWait {
Thread.onSpinWait();
}
// Possibly interesting to compare with Thread.sleep(0)
/*
@Benchmark
@Threads(1)
public void testSleep0() throws InterruptedException {
Thread.sleep(0);
}
@Benchmark
@Threads(1)
public void testEmpty() {
}
*/
}