Re: [MPlayer-dev-eng] [PATCH] [RFC] Add intrinsic based SSE2 support to OSD.
- Date: Mon, 20 May 2019 00:49:59 +0200
- From: Reimar Döffinger <Reimar.Doeffinger@xxxxxx>
- Subject: 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:
> 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