[FFmpeg-devel] [PATCH] af_afir: RISC-V V fcmul_add

[Paul B Mahol]

On Tue, Sep 26, 2023 at 8:35 PM Rémi Denis-Courmont <remi at remlab.net> wrote:

> Le tiistaina 26. syyskuuta 2023, 12.24.58 EEST flow gg a écrit :
> > benchmark:
> > fcmul_add_c: 19.7
> > fcmul_add_rvv_f32: 6.7
>
> Nit: please pad mnemonics to at least 8 columns for consistency.
>
> I'm a bit surprised that the performance improves this much, considering
> that
> the C910 is notoriously bad at both segmented strided loads. It might be
> that
> the C versions is just very bad due to lack of aliasing optimisations. Oh
> well.
>

What you mean exactly that C version is missing?


>
> Note that you could do the double versions with very little extra efforts.
>
> --
> 雷米‧德尼-库尔蒙
> http://www.remlab.net/
>
>
>
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