[FFmpeg-devel] [PATCH] libavfilter/af_afir: R-V V dcmul_add

Rémi Denis-Courmont remi at remlab.net
Fri Dec 22 17:45:57 EET 2023


Le perjantaina 22. joulukuuta 2023, 3.41.29 EET flow gg a écrit :
> It's at c908
> 
> According to the benchmark results, if vlseg2e64 is used, the speed is
> almost as slow as C language (dcmul_add_rvv_f64: 86.2), if vsseg2e64 is
> used, it will be only a bit slower (dcmul_add_rvv_f64: 50.2).

Fair enough but yikes. I doubt that this is going to turn out well on other 
vendors' upcoming IPs.

-- 
雷米‧德尼-库尔蒙
http://www.remlab.net/





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