[jdk17u-dev] Integrated: 8278020: ~13% variation in Renaissance-Scrabble

[Aleksey Shipilev]

On Fri, 7 Jan 2022 11:06:41 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Clean backport to fix recent regression.
> 
> Motivational improvements (lower is better):
> 
> 
> $ for I in `seq 1 5`; do build/linux-x86_64-server-release/images/jdk/bin/java -jar renaissance-gpl-0.13.0.jar scrabble | grep iteration | grep completed | tail -n 3; done
> 
> # jdk17u baseline
> ====== scrabble (functional) [default], iteration 47 completed (130.122 ms) ======
> ====== scrabble (functional) [default], iteration 48 completed (131.078 ms) ======
> ====== scrabble (functional) [default], iteration 49 completed (142.820 ms) ======
> ====== scrabble (functional) [default], iteration 47 completed (131.464 ms) ======
> ====== scrabble (functional) [default], iteration 48 completed (131.028 ms) ======
> ====== scrabble (functional) [default], iteration 49 completed (130.961 ms) ======
> ====== scrabble (functional) [default], iteration 47 completed (135.189 ms) ======
> ====== scrabble (functional) [default], iteration 48 completed (131.175 ms) ======
> ====== scrabble (functional) [default], iteration 49 completed (131.381 ms) ======
> ====== scrabble (functional) [default], iteration 47 completed (129.268 ms) ======
> ====== scrabble (functional) [default], iteration 48 completed (129.083 ms) ======
> ====== scrabble (functional) [default], iteration 49 completed (128.731 ms) ======
> ====== scrabble (functional) [default], iteration 47 completed (143.267 ms) ======
> ====== scrabble (functional) [default], iteration 48 completed (141.836 ms) ======
> ====== scrabble (functional) [default], iteration 49 completed (137.348 ms) ======
> 
> # jdk17u patched
> ====== scrabble (functional) [default], iteration 47 completed (120.403 ms) ======
> ====== scrabble (functional) [default], iteration 48 completed (120.454 ms) ======
> ====== scrabble (functional) [default], iteration 49 completed (119.403 ms) ======
> ====== scrabble (functional) [default], iteration 47 completed (121.162 ms) ======
> ====== scrabble (functional) [default], iteration 48 completed (121.821 ms) ======
> ====== scrabble (functional) [default], iteration 49 completed (121.946 ms) ======
> ====== scrabble (functional) [default], iteration 47 completed (120.279 ms) ======
> ====== scrabble (functional) [default], iteration 48 completed (119.175 ms) ======
> ====== scrabble (functional) [default], iteration 49 completed (121.211 ms) ======
> ====== scrabble (functional) [default], iteration 47 completed (122.553 ms) ======
> ====== scrabble (functional) [default], iteration 48 completed (122.422 ms) ======
> ====== scrabble (functional) [default], iteration 49 completed (121.078 ms) ======
> ====== scrabble (functional) [default], iteration 47 completed (121.104 ms) ======
> ====== scrabble (functional) [default], iteration 48 completed (121.320 ms) ======
> ====== scrabble (functional) [default], iteration 49 completed (120.224 ms) ======
> 
> 
> 
> 
> Additional testing:
>  - [x] Linux x86_64 fastdebug `tier1`
>  - [x]  Linux x86_64 fastdebug `tier2`
>  - [x] Renaissance `scrabble`

This pull request has now been integrated.

Changeset: 7554d8c1
Author:    Aleksey Shipilev <shade at openjdk.org>
URL:       https://git.openjdk.java.net/jdk17u-dev/commit/7554d8c1efc3c8607693fbc74b3c2a2948f566d3
Stats:     6 lines in 1 file changed: 3 ins; 0 del; 3 mod

8278020: ~13% variation in Renaissance-Scrabble

Backport-of: 4ba980ba439f94a6b5015e64382a6c308476d63f

-------------

PR: https://git.openjdk.java.net/jdk17u-dev/pull/64