On Thu, 21 Mar 2019 09:54:17 +0200 Lauri Kasanen <c...@gmx.com> wrote:
> ./ffmpeg -f lavfi -i yuvtestsrc=duration=1:size=1200x1440 \ > -s 1200x1440 -f null -vframes 100 -pix_fmt $i -nostats \ > -cpuflags 0 -v error - > > This uses 32-bit mul, so POWER8 only. > > The following output formats get about 4.5x speedup: > > rgb24 > 39980 UNITS in yuv2packed1, 32768 runs, 0 skips > 8774 UNITS in yuv2packed1, 32768 runs, 0 skips > bgr24 > 40069 UNITS in yuv2packed1, 32768 runs, 0 skips > 8772 UNITS in yuv2packed1, 32766 runs, 2 skips > rgba > 39759 UNITS in yuv2packed1, 32768 runs, 0 skips > 8681 UNITS in yuv2packed1, 32767 runs, 1 skips > bgra > 39729 UNITS in yuv2packed1, 32768 runs, 0 skips > 8696 UNITS in yuv2packed1, 32766 runs, 2 skips > argb > 39766 UNITS in yuv2packed1, 32768 runs, 0 skips > 8672 UNITS in yuv2packed1, 32766 runs, 2 skips > bgra > 39784 UNITS in yuv2packed1, 32768 runs, 0 skips > 8659 UNITS in yuv2packed1, 32767 runs, 1 skips > > Signed-off-by: Lauri Kasanen <c...@gmx.com> > --- > libswscale/ppc/swscale_vsx.c | 291 > +++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 291 insertions(+) > > v2: HAVE_POWER8 from ifdef to if > Resending due to mail client troubles Applying. - Lauri _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
