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8259074: regex benchmarks and tests

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Reviewed-by: redestad
This commit is contained in:
Martin Buchholz 2021-02-08 18:09:59 +00:00
parent d6d5d9bf2f
commit 351d788809
5 changed files with 476 additions and 10 deletions
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14
test/micro/org/openjdk/bench/java/lang/ArrayFiddle.java
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@ -22,14 +22,7 @@
*/
package org.openjdk.bench.java.lang;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.OutputTimeUnit;
import org.openjdk.jmh.annotations.Param;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.Setup;
import org.openjdk.jmh.annotations.State;
import org.openjdk.jmh.annotations.*;
import java.util.Arrays;
import java.util.concurrent.ThreadLocalRandom;
@ -60,9 +53,12 @@ import java.util.concurrent.TimeUnit;
* This benchmark is great for measuring cache effects, e.g. size=10^6 has 5x
* the per-element cost of size=10^3 (See "The Myth of RAM".)
*
* (cd $(hg root) && for size in 3 16 999 999999; do make test TEST="micro:java.lang.ArrayFiddle" MICRO="FORK=2;WARMUP_ITER=4;ITER=4;OPTIONS=-opi $size -p size=$size" |& perl -ne 'print if /^Benchmark/ .. /^Finished running test/'; done)
* (cd $(git rev-parse --show-toplevel) && for size in 3 16 999 999999; do make test TEST='micro:java.lang.ArrayFiddle' MICRO="FORK=2;WARMUP_ITER=4;ITER=4;OPTIONS=-opi $size -p size=$size" |& perl -ne 'print if /^Benchmark/ .. /^Finished running test/'; done)
*/
@BenchmarkMode(Mode.AverageTime)
@Fork(2)
@Warmup(iterations = 1)
@Measurement(iterations = 4)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
@State(Scope.Benchmark)
public class ArrayFiddle {