RFR: 8300002: Performance regression caused by non-inlined hot methods due to post call noop instructions [v6]

Vladimir Kozlov kvn at openjdk.org
Tue Jan 17 23:07:49 UTC 2023


On Tue, 17 Jan 2023 20:23:05 GMT, Sergey Kuksenko <skuksenko at openjdk.org> wrote:

>> Post call nop instructions increase the size of methods, which leads to different inline decisions and performance regression.
>> Restore inline behavior by excluding post call nop instructions sizes from inline heuristics.
>
> Sergey Kuksenko has updated the pull request incrementally with one additional commit since the last revision:
> 
>   move register noops size into destructor

Update looks good.

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

Marked as reviewed by kvn (Reviewer).

PR: https://git.openjdk.org/jdk/pull/11958


More information about the hotspot-dev mailing list