[FFmpeg-devel] [PATCH] lavc/vc1dsp: R-V V mspel_pixels

[flow gg]

In banana_f3, further reducing the value of mf resulted in another
performance improvement. I think in the end we might need to use different
functions depending on vlen in init..

Rémi Denis-Courmont <remi at remlab.net> 于2024年5月11日周六 18:24写道：

> Le lauantaina 11. toukokuuta 2024, 13.02.02 EEST flow gg a écrit :
> > The test results show that changing mf2 to m1 in ff_avg_pixels8x8_rvv in
> > vc1,
> > or changing mf2/mf4 to m1 in vsetvlstatic8 in vp8,
> > results in a 10-20% performance decrease on both k230 and banana_f3.
>
> The questions remain, how changing from MF2 to MF4 affects performance on
> Zvl256b, and if it does, how to deal with that without breaking support
> for
> Zvl128b.
>
> --
> Rémi Denis-Courmont
> http://www.remlab.net/
>
>
>
> _______________________________________________
> ffmpeg-devel mailing list
> ffmpeg-devel at ffmpeg.org
> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>
> To unsubscribe, visit link above, or email
> ffmpeg-devel-request at ffmpeg.org with subject "unsubscribe".
>