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damentz / liquorix-package

Liquorix Debian Package
https://liquorix.net
GNU General Public License v2.0
285 stars 23 forks source link

Possible performance regression in 6.7-14/6.7.10-lqx1 #164

Closed Takei-Naodar closed 5 months ago

Takei-Naodar commented 5 months ago

I have a possible performance regression in and after 6.7-14. Before when having a niced heavy CPU load while running a prioritized process, the prioritized process would run well and without lags. Now there is heavy dips in performance up to and including crackling sound. This is most notable, when it is 1 heavy load, for example and ffmpeg encode and less so with many smaller loads, for example a kernel build.

With 6.7-13 everything is fine. I'm using the AUR version (https://aur.archlinux.org/packages/linux-lqx) on a Manjaro base. If it is some help, the used Processor is a 7900X.

If more info is needed, please advise.

damentz commented 5 months ago

Thanks for the feedback, can you try 6.7-15 as well? 6.7-14 included some optimizations that Alfred Chen worked on. The version after contains another slew of updates that may have resolved things on your end.

If not, I'll report this to the official Project-C project and hopefully we can get the regression tracked down.

Takei-Naodar commented 5 months ago

Yes, I can confirm that with 6.7.10-lqx2/6.7-15 the problem does still persist. In any case, many thanks for your work. If I can assist, please do let me know.

damentz commented 5 months ago

Ok, latest release on the way should fix your issue. I reverted all the optimizations that I cherry picked from the v6.8-r1 and v6.8-r2 enhancements in Project-C before fully switching over.

Takei-Naodar commented 5 months ago

Yeah, seems good. Stable performance with the niced process working in the background. Thank you very much.

damentz commented 5 months ago

No problem, I'll remember to make sure this problem doesn't resurface when Liquorix switches to kernel 6.8. Marking as resolved.