On Sat, Nov 17, 2018 at 10:12:14AM +0200, Lauri Kasanen wrote: > ./ffmpeg_g -f rawvideo -pix_fmt rgb24 -s hd1080 -i /dev/zero -pix_fmt yuv420p > \ > -f null -vframes 100 -v error -nostats - > > 1158 UNITS in planar1, 65528 runs, 8 skips > > -cpuflags 0 > > 19082 UNITS in planar1, 65533 runs, 3 skips > > 16.48 speedup ratio. On x86, SSE2 is ~7. Curiously, the Power C version > takes as many cycles as the x86 SSE2 version, yikes it's fast. > > Note that this function uses VSX instructions, but is not marked so. > This is because several existing functions also make that mistake. > I'll submit a patch moving them once this is reviewed. > > v2: Remove !BE check > Signed-off-by: Lauri Kasanen <c...@gmx.com> > --- > libswscale/ppc/swscale_altivec.c | 53 > ++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 53 insertions(+)
iam no altivec guy, just wanted to reply primarly so people dont wait for a review from me as i normally review swscale patches. if someone who knows altivec ok-es this then its ok with me too. assuming this was tested (fate and some real world test) thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Concerning the gods, I have no means of knowing whether they exist or not or of what sort they may be, because of the obscurity of the subject, and the brevity of human life -- Protagoras
signature.asc
Description: PGP signature
_______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
