[Ffmpeg-devel] [RFC] smallcpy for h264

Loren Merritt lorenm
Sat Oct 7 23:26:45 CEST 2006

On Sat, 7 Oct 2006, Luca Barbato wrote:

> Michael Niedermayer wrote:
>> but before i will agree to this i want
>> 1. to know why we spend a significant time doing small memcpys
> Loren do you have time to have a look on it? The on x86simd codepath has
> many of them...

I still say that the memcpy are only in frame header and init code, and 
take a total of 0.09% cpu. (when using fast_memcpy instead of 
__builtin_memcpy, since I can't profile them separately if they're inlined)

--Loren Merritt

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