On Sun, 28 Jan 2024 22:23:38 GMT, Vladimir Yaroslavskiy <d...@openjdk.org> wrote:
>> Hi Vladimir (@iaroslavski), >> >> Please see the JMH data below. >> >> Thanks, >> Vamsi >> >> Benchmark (builder) (size) Mode Cnt Score Error >> Units >> ArraysSort.Int.a15 RANDOM 600 avgt 4 7.096 ± 0.081 >> us/op >> ArraysSort.Int.a15 RANDOM 2000 avgt 4 44.014 ± 1.717 >> us/op >> ArraysSort.Int.a15 RANDOM 90000 avgt 4 4451.444 ± 71.168 >> us/op >> ArraysSort.Int.a15 RANDOM 400000 avgt 4 22751.966 ± 683.597 >> us/op >> ArraysSort.Int.a15 RANDOM 3000000 avgt 4 190326.306 ± 8008.512 >> us/op >> ArraysSort.Int.a15 REPEATED 600 avgt 4 1.044 ± 0.016 >> us/op >> ArraysSort.Int.a15 REPEATED 2000 avgt 4 2.272 ± 0.287 >> us/op >> ArraysSort.Int.a15 REPEATED 90000 avgt 4 412.331 ± 11.656 >> us/op >> ArraysSort.Int.a15 REPEATED 400000 avgt 4 1908.978 ± 30.241 >> us/op >> ArraysSort.Int.a15 REPEATED 3000000 avgt 4 15163.443 ± 100.425 >> us/op >> ArraysSort.Int.a15 STAGGER 600 avgt 4 1.055 ± 0.057 >> us/op >> ArraysSort.Int.a15 STAGGER 2000 avgt 4 3.408 ± 0.096 >> us/op >> ArraysSort.Int.a15 STAGGER 90000 avgt 4 149.220 ± 4.022 >> us/op >> ArraysSort.Int.a15 STAGGER 400000 avgt 4 663.096 ± 30.252 >> us/op >> ArraysSort.Int.a15 STAGGER 3000000 avgt 4 5206.890 ± 234.857 >> us/op >> ArraysSort.Int.a15 SHUFFLE 600 avgt 4 4.611 ± 0.118 >> us/op >> ArraysSort.Int.a15 SHUFFLE 2000 avgt 4 17.955 ± 0.356 >> us/op >> ArraysSort.Int.a15 SHUFFLE 90000 avgt 4 1410.357 ± 41.128 >> us/op >> ArraysSort.Int.a15 SHUFFLE 400000 avgt 4 5739.311 ± 128.270 >> us/op >> ArraysSort.Int.a15 SHUFFLE 3000000 avgt 4 41501.980 ± 829.443 >> us/op >> ArraysSort.Int.jdk RANDOM 600 avgt 4 1.612 ± 0.088 >> us/op >> ArraysSort.Int.jdk RANDOM 2000 avgt 4 6.893 ± 0.375 >> us/op >> ArraysSort.Int.jdk RANDOM 90000 avgt 4 522.749 ± 19.386 >> us/op >> ArraysSort.Int.jdk RANDOM 400000 avgt 4 2424.204 ± 63.844 >> us/op >> ArraysSort.Int.jdk RANDOM 3000000 avgt 4 21000.434 ± 801.315 >> us/op >> ArraysSort.Int.jdk REPEATED 600 avgt 4 0.496 ± 0.030 >> us/op >> ArraysSort.Int.jdk REPEATED 2000 avgt 4 1.037 ± 0.083 >> us/op >> ArraysSort.Int.jdk REPE... > > Hi Vamsi (@vamsi-parasa), Laurent(@bourgesl), > > The latest benchmarking compares compares the following versions: > jdk - direct call of Arrays.sort(); > a15 - the current source of DualPivotQuicksort from the latest build (except > renaming) > https://github.com/openjdk/jdk/blob/master/src/java.base/share/classes/java/util/DualPivotQuicksort.java > https://github.com/iaroslavski/sorting/blob/master/radixsort/DualPivotQuicksort_a15.java > r20s - new version without Radix sort > r20p - new version with Radix sort in parallel case only > > It is expected that timing of jdk and a15 should be more or less the same, > but please look at the results: > > Benchmark | Data Type | Array Size | Arrays.sort() from jdk | Current source > (a15) > -- | -- | -- | -- | -- > ArraysSort.Int.testSort | RANDOM | 600 | 1.612 | 7.096 > ArraysSort.Int.testSort | RANDOM | 2000 | 6.893 | 44.014 > ArraysSort.Int.testSort | RANDOM | 90000 | 522.749 | 4451.444 > ArraysSort.Int.testSort | RANDOM | 400000 | 2424.204 | 22751.966 > ArraysSort.Int.testSort | RANDOM | 3000000 | 21000.434 | 190326.306 > ArraysSort.Int.testSort | REPEATED | 600 | 0.496 | 1.044 > ArraysSort.Int.testSort | REPEATED | 2000 | 1.037 | 2.272 > ArraysSort.Int.testSort | REPEATED | 90000 | 57.763 | 412.331 > ArraysSort.Int.testSort | REPEATED | 400000 | 182.238 | 1908.978 > ArraysSort.Int.testSort | REPEATED | 3000000 | 1708.082 | 15163.443 > ArraysSort.Int.testSort | STAGGER | 600 | 1.038 | 1.055 > ArraysSort.Int.testSort | STAGGER | 2000 | 3.434 | 3.408 > ArraysSort.Int.testSort | STAGGER | 90000 | 148.638 | 149.220 > ArraysSort.Int.testSort | STAGGER | 400000 | 663.076 | 663.096 > ArraysSort.Int.testSort | STAGGER | 3000000 | 5212.821 | 5206.890 > ArraysSort.Int.testSort | SHUFFLE | 600 | 1.926 | 4.611 > ArraysSort.Int.testSort | SHUFFLE | 2000 | 6.858 | 17.955 > ArraysSort.Int.testSort | SHUFFLE | 90000 | 473.441 | 1410.357 > ArraysSort.Int.testSort | SHUFFLE | 400000 | 2153.779 | 5739.311 > ArraysSort.Int.testSort | SHUFFLE | 3000000 | 18180.141 | 41501.980 > > You can see that a15 (current source) works extremly slower than > Arrays.sort(), but the code is the same > with minor differences: renaming and repackaging (I put the class to the test > package org.openjdk.bench.java.util). > How does other package org.openjdk.bench.java.util effect so much? > > I use this pom.xml file > https://github.com/iaroslavski/sorting/blob/master/radixsort/pom.xml and run > as following script: > > `mvn cl... Hi Vladimir (@iaroslavski), Will provide the data in few hours. Working on it... Thanks, Vamsi ------------- PR Comment: https://git.openjdk.org/jdk/pull/13568#issuecomment-1924266279
