On Fri, 16 Dec 2022 15:20:14 GMT, Ajit Ghaisas <aghai...@openjdk.org> wrote:
> The nature of data plays an important part in rendering performance as noted > in the comment made on > [JDK-8288948](https://bugs.openjdk.org/browse/JDK-8288948) - > https://bugs.openjdk.org/browse/JDK-8288948?focusedCommentId=14504772&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-14504772 > > Although the fix [JDK-8288948](https://bugs.openjdk.org/browse/JDK-8288948) > is logical, it seems to have an adverse impact on SwingMark test numbers > especially on aarch64. > > The SwingMark tests closely depict the UI operations in real-world > applications as compared to the J2DBench and RenderPerfTest tests. Hence, it > is decided to revert the regression causing commits > [JDK-8288948](https://bugs.openjdk.org/browse/JDK-8288948) (and dependent > [JDK-8291266](https://bugs.openjdk.org/browse/JDK-8291266)). > > Metal rendering pipeline performance numbers before and after this PR are > attached to the JBS. > > Note : The fix for [JDK-8291266](https://bugs.openjdk.org/browse/JDK-8291266) > has a good regression test - DrawPrimitivesTest.java. It passes even after > reverting the said changes. This test will be added back once this PR is > committed. This pull request has now been integrated. Changeset: 3b7970ca Author: Ajit Ghaisas <aghai...@openjdk.org> URL: https://git.openjdk.org/jdk20/commit/3b7970cab39a67eabcde331822f0432f71d9186b Stats: 406 lines in 5 files changed: 27 ins; 302 del; 77 mod 8298217: Regressions 30-110% in SwingMark on MacOS, more so on aarch64 Reviewed-by: avu, prr, jdv ------------- PR: https://git.openjdk.org/jdk20/pull/47