8311178: JMH tests don't scale well when sharing output buffers

Co-authored-by: Vladimir Ivanov <vaivanov@openjdk.org>
Reviewed-by: ecaspole, sviswanathan, mli
This commit is contained in:
Swati Sharma 2023-07-11 16:14:33 +00:00 committed by Sandhya Viswanathan
parent 00c7f914c6
commit a03a3a43bb
12 changed files with 17 additions and 17 deletions

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@ -33,7 +33,7 @@ import java.util.concurrent.TimeUnit;
@Fork(2)
@Measurement(iterations = 6, time = 1)
@Warmup(iterations=4, time = 2)
@State(Scope.Benchmark)
@State(Scope.Thread)
public class DataOutputStreamTest {
public enum BasicType {CHAR, SHORT, INT, STRING}

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@ -61,7 +61,7 @@ class MyClass {
}
}
@State(Scope.Benchmark)
@State(Scope.Thread)
@BenchmarkMode(Mode.Throughput)
@OutputTimeUnit(TimeUnit.MILLISECONDS)
@Warmup(iterations = 10, time = 1)

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@ -60,7 +60,7 @@ import java.util.concurrent.TimeUnit;
@Measurement(iterations = 5, time = 2)
@Fork(3)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
@State(Scope.Benchmark)
@State(Scope.Thread)
public class ArrayFiddle {
@Param("999")
public int size;

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@ -53,7 +53,7 @@ import org.openjdk.jmh.infra.Blackhole;
@Warmup(iterations = 5, time = 1)
@Measurement(iterations = 5, time = 1)
@Fork(3)
@State(Scope.Benchmark)
@State(Scope.Thread)
public class DateTimeFormatterBench {
private static final TimeZone TIME_ZONE = TimeZone.getTimeZone("UTC");

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@ -29,7 +29,7 @@ import org.openjdk.jmh.annotations.*;
@BenchmarkMode(Mode.Throughput)
@OutputTimeUnit(TimeUnit.MILLISECONDS)
@State(Scope.Benchmark)
@State(Scope.Thread)
@Warmup(iterations = 3, time = 1)
@Measurement(iterations = 5, time = 1)
@Fork(value = 1, jvmArgsPrepend = {"--add-modules=jdk.incubator.vector"})

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@ -29,7 +29,7 @@ import org.openjdk.jmh.annotations.*;
@BenchmarkMode(Mode.Throughput)
@OutputTimeUnit(TimeUnit.MILLISECONDS)
@State(Scope.Benchmark)
@State(Scope.Thread)
@Warmup(iterations = 3, time = 1)
@Measurement(iterations = 5, time = 1)
@Fork(value = 1, jvmArgsPrepend = {"--add-modules=jdk.incubator.vector"})

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@ -46,7 +46,7 @@ import org.openjdk.jmh.annotations.Warmup;
@BenchmarkMode(Mode.AverageTime)
@Warmup(iterations = 5, time = 500, timeUnit = TimeUnit.MILLISECONDS)
@Measurement(iterations = 10, time = 500, timeUnit = TimeUnit.MILLISECONDS)
@State(org.openjdk.jmh.annotations.Scope.Benchmark)
@State(org.openjdk.jmh.annotations.Scope.Thread)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
@Fork(value = 1, jvmArgsAppend = {
"--add-modules=jdk.incubator.vector",

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@ -29,7 +29,7 @@ import org.openjdk.jmh.annotations.*;
@BenchmarkMode(Mode.Throughput)
@OutputTimeUnit(TimeUnit.MILLISECONDS)
@State(Scope.Benchmark)
@State(Scope.Thread)
@Warmup(iterations = 3, time = 1)
@Measurement(iterations = 5, time = 1)
@Fork(value = 1, jvmArgsPrepend = {"--add-modules=jdk.incubator.vector"})

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@ -28,7 +28,7 @@ import org.openjdk.jmh.annotations.*;
@BenchmarkMode(Mode.Throughput)
@OutputTimeUnit(TimeUnit.MILLISECONDS)
@State(Scope.Benchmark)
@State(Scope.Thread)
@Warmup(iterations = 3, time = 1)
@Measurement(iterations = 5, time = 1)
@Fork(value = 1, jvmArgsPrepend = {"--add-modules=jdk.incubator.vector"})

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@ -52,17 +52,17 @@ public class VectorFPtoIntCastOperations {
-0.0
};
static float [] float_arr;
private float [] float_arr;
static double [] double_arr;
private double [] double_arr;
static long [] long_res;
private long [] long_res;
static int [] int_res;
private int [] int_res;
static short [] short_res;
private short [] short_res;
static byte [] byte_res;
private byte [] byte_res;
@Setup(Level.Trial)
public void BmSetup() {

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@ -39,7 +39,7 @@ import org.openjdk.jmh.annotations.Warmup;
import java.util.concurrent.TimeUnit;
import java.util.Arrays;
@State(Scope.Benchmark)
@State(Scope.Thread)
@BenchmarkMode(Mode.AverageTime)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
@Warmup(iterations = 4, time = 2, timeUnit = TimeUnit.SECONDS)

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@ -28,7 +28,7 @@ import java.util.concurrent.TimeUnit;
import org.openjdk.jmh.annotations.*;
@State(Scope.Benchmark)
@State(Scope.Thread)
@Warmup(iterations = 4, time = 2, timeUnit = TimeUnit.SECONDS)
@Measurement(iterations = 4, time = 2, timeUnit = TimeUnit.SECONDS)
@Fork(value = 3)