[FFmpeg-devel] [PATCH] PPC64: Add versions of functions in libswscale/input.c optimized for POWER8 VSX SIMD.
Ronald S. Bultje
rsbultje at gmail.com
Mon Jul 11 17:16:10 EEST 2016
On Sun, Jul 10, 2016 at 5:37 PM, Michael Niedermayer <michael at niedermayer.cc
> On Sun, Jul 10, 2016 at 02:30:20PM -0400, Ronald S. Bultje wrote:
> > Hi,
> > On Sun, Jul 10, 2016 at 1:25 PM, Michael Niedermayer
> <michael at niedermayer.cc
> > > wrote:
> > > It could be reverted, it could be left for the next developer to use
> > > as starting point, i have no oppinion on this.
> > So, I want to comment on this specifically: I don't think it can.
> > I don't specifically mean that it's too slow, although that's a reason by
> > itself. The _specific_ reason I don't think it should be used as a basis
> > for really anything is that we _do not know what it does_. We don't know
> > it uses simd instructions for the scalar operants (+=, *=, etc.) and
> > is no way for us to verify other than actually understanding the complete
> > problem space.
> If you want to revert the patch, please revert the patch
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