[FFmpeg-devel] [PATCH v2] aarch64/opusdsp: implement NEON accelerated postfilter and deemphasis

[Carl Eugen Hoyos]

2019-04-02 13:47 GMT+02:00, Lynne <dev at lynne.ee>:
> 153372 UNITS in postfilter_c,   65536 runs,      0 skips
> 73164 UNITS in postfilter_neon,   65536 runs,      0 skips -> 2.1x speedup
>
> 80591 UNITS in deemphasis_c,  131072 runs,      0 skips
> 43969 UNITS in deemphasis_neon,  131072 runs,      0 skips -> 1.83x speedup

> Total decoder speedup: ~15% on a Raspberry Pi 3 (from 28.1x to 33.5x
> realtime)

Reproduced 7%, tested on compilation on macos and pushed.

Carl Eugen