[Ffmpeg-devel] [PATCH] Snow mc_block mmx optimization
Oded Shimon
ods15
Fri Mar 24 20:15:02 CET 2006
On Fri, Mar 24, 2006 at 07:52:01PM +0100, Michael Niedermayer wrote:
> Hi
>
> On Fri, Mar 24, 2006 at 04:18:04PM +0200, Oded Shimon wrote:
> > On Thu, Mar 23, 2006 at 09:43:29PM +0100, Guillaume POIRIER wrote:
> > > Hi,
> > >
> > > On 3/22/06, Oded Shimon <ods15 at ods15.dyndns.org> wrote:
> > > > My turn!
> > > >
> > > > Just for qpel (I think? maybe also for odd resolutions)
> > > >
> > > > C version is faster as well, by a factor of ~2, and mmx version is about ~8
> > > > times faster... md5sums pass. I think total speed increase is 10-20% for
> > > > files encoded with qpel...
> > >
> > > Doesn't apply here...
> >
> > New patch. Also has the _mmx function names you wanted.
>
> patch ok IMHO if regression tests pass, except that the mmx stuff should
> go into snowdsp_mmx.c
Any suggestion to do this without exporting 16 mc_block functions?.. Or is
this fine and just do this?
extern void ff_snow_mc_block_x0_mmx();
extern void ff_snow_mc_block_x2_mmx();
...
- ods15
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