[FFmpeg-devel] [PATCH] ppc: replace vec_ld(0), vec_ld(1) by VEC_LD2() which has fewer loads

Pavel Koshevoy pkoshevoy at gmail.com
Fri Nov 14 14:45:55 CET 2014


On Nov 13, 2014 4:15 PM, "Michael Niedermayer" <michaelni at gmx.at> wrote:
>
> On Fri, Nov 07, 2014 at 03:12:19PM +0100, Michael Niedermayer wrote:
> > This needs to be benchmarked, i do not have ppc hw
> > This is on big endian more similar to how the code was before
79e0255956bc8fcdb143f39b2e45db77144ac017
> >
> > Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
>
> ping
>
> can someone with a altivec PPC please benchmark this
> or do all the ppc people want code to be slow and unoptimized ?
> iam also happy to benchmark it myself if someone provides a ppc or
> account on a altivec ppc that is reasonable idle so benchmarking is
> possible with some accuracy
>

I can do it over the weekend, I have a ppc G4 800MHz iMac.  I'll need
instructions on what to do for benchmarking.

    Pavel


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