[FFmpeg-devel] [PATCH] swresample/arm: add ff_resample_common_apply_filter_{x4, x8}_{float, s16}_neon

[Michael Niedermayer]

On Wed, May 11, 2016 at 06:39:20PM +0200, Matthieu Bouron wrote:
> From: Matthieu Bouron <matthieu.bouron at stupeflix.com>
> 
> ---
> 
> Hello,
> 
> Here are some benchmark on a rpi2 of the attached patch.
> 
> ./ffmpeg -f lavfi -i sine=440,aformat=sample_fmts=fltp,asetnsamples=4096,abench=start,aresample=48000,abench=stop -t 1000 -f null -
> 
> With patch:    avg=0.001159 speed=44,1x
> Without patch: avg=0.001297 speed=40,8x
> 
> ./ffmpeg -f lavfi -i sine=440,aformat=sample_fmts=s16p,asetnsamples=4096,abench=start,aresample=48000,abench=stop -t 1000 -f null -
> 

> With patch:    avg=0.001374 speed=45,6x
> Without patch: avg=0.000782 speed=64,6x

so its slower ? or am i misreading this ?

either way, passes fate here, cant comment beyond that

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Everything should be made as simple as possible, but not simpler.
-- Albert Einstein
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