On Fri, Nov 14, 2014 at 06:45:55AM -0700, Pavel Koshevoy wrote: > On Nov 13, 2014 4:15 PM, "Michael Niedermayer" <michae...@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 <michae...@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.
patch that adds benchmarking is below
that and trying to decode some mpeg2 like with
-v 99 -i matrixbench_mpeg2.mpg -f null -
should result in some timing values
i cant say for sure though, as this does not work under qemu
under qemu i just get 0
diff --git a/libavcodec/mpegvideo_motion.c b/libavcodec/mpegvideo_motion.c
index e7a585d..94b140d 100644
--- a/libavcodec/mpegvideo_motion.c
+++ b/libavcodec/mpegvideo_motion.c
@@ -976,6 +976,7 @@ void ff_mpv_motion(MpegEncContext *s,
op_pixels_func (*pix_op)[4],
qpel_mc_func (*qpix_op)[16])
{
+ START_TIMER
#if !CONFIG_SMALL
if (s->out_format == FMT_MPEG1)
mpv_motion_internal(s, dest_y, dest_cb, dest_cr, dir,
@@ -984,4 +985,5 @@ void ff_mpv_motion(MpegEncContext *s,
#endif
mpv_motion_internal(s, dest_y, dest_cb, dest_cr, dir,
ref_picture, pix_op, qpix_op, 0);
+ STOP_TIMER("MC")
}
>
> Pavel
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>
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
I have often repented speaking, but never of holding my tongue.
-- Xenocrates
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