Web lists-archives.com

Re: [MPlayer-dev-eng] [PATCH] [RFC] Add intrinsic based SSE2 support to OSD.




On Mon, May 20, 2019 at 12:48:19AM +0200, Reimar Döffinger wrote:
> Unfinished.
> In particular intrinsic support needs to be auto-detected.
>
> Intrinsics are not well liked for good reason,
> but it is much faster to implement and compilers
> are no longer completely horrible for x86.
> Speed is about 2x-3x and it matches the C code instead
> of the less accurate MMX code.

Funny fact: With modern CPUs the MMX code for RGB24
is actually a good but slower than the plain x86 code!
_______________________________________________
MPlayer-dev-eng mailing list
MPlayer-dev-eng@xxxxxxxxxxxx
https://lists.mplayerhq.hu/mailman/listinfo/mplayer-dev-eng