On Sun, 31 Mar 2019 17:18:47 +0300 Lauri Kasanen <c...@gmx.com> wrote:
> ./ffmpeg -f lavfi -i yuvtestsrc=duration=1:size=1200x1440 -sws_flags > fast_bilinear \ > -s 1200x1440 -f null -vframes 100 -pix_fmt $i -nostats \ > -cpuflags 0 -v error - > > 32-bit mul, power8 only. > > 1.8-2.3x speedup: > > rgb24 > 18192 UNITS in yuv2packed1, 32767 runs, 1 skips > 9983 UNITS in yuv2packed1, 32760 runs, 8 skips > bgr24 > 18665 UNITS in yuv2packed1, 32766 runs, 2 skips > 9925 UNITS in yuv2packed1, 32763 runs, 5 skips > rgba > 20239 UNITS in yuv2packed1, 32767 runs, 1 skips > 8794 UNITS in yuv2packed1, 32759 runs, 9 skips > bgra > 20354 UNITS in yuv2packed1, 32768 runs, 0 skips > 8770 UNITS in yuv2packed1, 32761 runs, 7 skips > argb > 20185 UNITS in yuv2packed1, 32768 runs, 0 skips > 8761 UNITS in yuv2packed1, 32761 runs, 7 skips > bgra > 20360 UNITS in yuv2packed1, 32766 runs, 2 skips > 8759 UNITS in yuv2packed1, 32764 runs, 4 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. 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".
