[FFmpeg-devel] [PATCH 4/5] x86/opusdsp: implement FMA3 accelerated postfilter and deemphasis

[Carl Eugen Hoyos]

2019-03-16 17:33 GMT+01:00, Lynne <dev at lynne.ee>:
> 58893 decicycles in deemphasis_c,  130548 runs,    524 skips
> 9475 decicycles in deemphasis_fma3,  130686 runs,    386 skips -> 6.21x
> speedup
>
> 24866 decicycles in postfilter_c,   65386 runs,    150 skips
> 5268 decicycles in postfilter_fma3,   65505 runs,     31 skips -> 4.72x
> speedup
>
> Total decoder speedup: ~14%

I can reproduce approximately half of this speedup and
will push over the weekend if there are no objections.

Carl Eugen