On Fri, 5 Apr 2019 11:41:19 +0300 Lauri Kasanen <c...@gmx.com> wrote:
> ./ffmpeg -f lavfi -i yuvtestsrc=duration=1:size=1200x1440 -sws_flags > fast_bilinear \ > -s 1200x720 -f null -vframes 100 -pix_fmt $i -nostats \ > -cpuflags 0 -v error - > > 32-bit mul, power8 only. > > ~2x speedup: > > rgb24 > 24431 UNITS in yuv2packed2, 16384 runs, 0 skips > 13783 UNITS in yuv2packed2, 16383 runs, 1 skips > bgr24 > 24396 UNITS in yuv2packed2, 16384 runs, 0 skips > 14059 UNITS in yuv2packed2, 16384 runs, 0 skips > rgba > 26815 UNITS in yuv2packed2, 16383 runs, 1 skips > 12797 UNITS in yuv2packed2, 16383 runs, 1 skips > bgra > 27060 UNITS in yuv2packed2, 16384 runs, 0 skips > 13138 UNITS in yuv2packed2, 16384 runs, 0 skips > argb > 26998 UNITS in yuv2packed2, 16384 runs, 0 skips > 12728 UNITS in yuv2packed2, 16381 runs, 3 skips > bgra > 26651 UNITS in yuv2packed2, 16384 runs, 0 skips > 13124 UNITS in yuv2packed2, 16384 runs, 0 skips > > This is a low speedup, but the x86 mmx version also gets only ~2x. The mmx > version > is also heavily inaccurate, while the vsx version has high accuracy. > > Signed-off-by: Lauri Kasanen <c...@gmx.com> > --- > libswscale/ppc/swscale_vsx.c | 188 > +++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 188 insertions(+) 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".
