[jdk17u-dev] RFR: 8318986: Improve GenericWaitBarrier performance

[Aleksey Shipilev]

On Mon, 11 Dec 2023 17:39:49 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Clean backport to drastically improve safepoint performance under heavy load, fixing regression between JDK 11 and JDK 17.
> 
> Additional testing:
>  - [x] Ad-hoc performance runs, expected improvements
>  - [x] MacOS AArch64 server fastdebug, `tier{1,2,3}`

Not now, bot. We are planning this for October LTS release.

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PR Comment: https://git.openjdk.org/jdk17u-dev/pull/2041#issuecomment-2113073806