Re: [PATCH] [RFC] Add intrinsic based SSE2 support to OSD.
Reimar Döffinger <[email protected]>
| Newsgroups | gmane.comp.video.mplayer.devel |
|---|---|
| Message-ID | <[email protected]> |
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 [email protected] https://lists.mplayerhq.hu/mailman/listinfo/mplayer-dev-eng