RFR: 8305670: Performance regression in LockSupport.unpark with lots of idle threads [v7]

Thu May 4 18:51:29 UTC 2023

On Thu, 4 May 2023 05:13:10 GMT, Robbin Ehn <rehn at openjdk.org> wrote:

>> Daniel D. Daugherty has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains eight commits:
>> 
>>  - Merge branch 'JDK-8307068' into JDK-8305670
>>  - Merge JDK-8305670 with code review changes in JDK-8307068.
>>  - Merge branch 'JDK-8307068' into JDK-8305670
>>  - Merge branch 'jdk-21+20' into JDK-8305670
>>  - 8305670.with-rehn-quick-mode.cr3.patch
>>  - Use optimized logic in Unsafe_Unpark() instead of cv_internal_thread_to_JavaThread().
>>  - dholmes CR - add more comments.
>>  - 8305670.with-rehn-quick-mode.cr0.patch
>
> I'm good! Thanks!

@robehn and @dholmes-ora - Thanks for the re-reviews!

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PR Comment: https://git.openjdk.org/jdk/pull/13519#issuecomment-1535245490