[FFmpeg-devel] [PATCH 2/2] x86/dcadec: add ff_lfe_fir0_float_{sse, sse2, avx, fma3}

James Almer jamrial at gmail.com
Fri Feb 5 20:45:34 CET 2016


On 2/5/2016 3:57 PM, Hendrik Leppkes wrote:
> On Fri, Feb 5, 2016 at 6:29 PM, James Almer <jamrial at gmail.com> wrote:
>> Up to ~4 times faster on x86_64, ~8 times on x86_32 if compiling using x87 fp math.
>>
>> Signed-off-by: James Almer <jamrial at gmail.com>
> 
> Nice numbers! Any overall impact ideas?

Not much, apparently. With a 10 minute long sample perf on x86_64 said lfe_fir0_float_c
was about 3% of overall cputime.

> -  Hendrik
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