[FFmpeg-devel] [PATCH] x86/dsputil: implement 3DNow version of vector_clipf

[Christophe Gisquet]

Hi,

2014-05-27 21:08 GMT+02:00 James Almer <jamrial at gmail.com>:

>> Maybe do twice at a time so you can do some pairing (which might help with
>> performance)?
>
> I didn't bench, but wouldn't out-of-order execution deal with this anyway?

Maybe, but k6's oooe is weaker than what we are used to nowadays, and
I would expect manual pairing/dual issuing to help.

On the other hand, it's for 15+yo CPUs, but with that logic, we should
remove all of 3dnow.

-- 
Christophe