[FFmpeg-devel] [PATCH] RFC: v210enc optimisations and initial AVX-512

[James Darnley]

> I guess it could also be scaled to ymm if you're a big Skylake fan :P                                                                                                                                             
> (in which case you'd probably want to reorder the shuffle indices so                                                                                                                                              
> that chroma comes first, i.e. movq [u] + movhps [v] + vinserti32x4[y])

What shuffle or permute did you have in mind when you suggested this for 
Skylake?  Without the permute I'm not sure how the change in ordering 
helps.  Aren't we stuck with data in separate lanes?  I'm probably 
missing something though.