Xu, On Sun, 22. Dec 16:37, xuju...@sjtu.edu.cn wrote: > From: Xu Jun <xuju...@sjtu.edu.cn> > > Read 16 elements from memory, shuffle and parallally compute 4 rows at a > time, shuffle and parallelly write 16 results to memory. > Performance improves about 15% compared to v1. > > Tested using this command: > ./ffmpeg_g -s 1280*720 -pix_fmt yuv420p -i test.yuv -vf convolution="1 2 3 4 > 5 6 7 8 9:1 2 3 4 5 6 7 8 9:1 2 3 4 5 6 7 8 9:1 2 3 4 5 6 7 8 > 9:1/45:1/45:1/45:1/45:1:2:3:4:row:row:row:row" -an -vframes 5000 -f null > /dev/null -benchmark > > after patch: > frame= 4317 fps=622 q=-0.0 Lsize=N/A time=00:02:52.68 bitrate=N/A speed=24.9x > video:2260kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB > muxing overhead: unknown > bench: utime=20.539s stime=1.834s rtime=6.943s > > before patch(c version): > frame= 4317 fps=306 q=-0.0 Lsize=N/A time=00:02:52.68 bitrate=N/A speed=12.2x > video:2260kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB > muxing overhead: unknown > bench: utime=60.591s stime=1.787s rtime=14.100s > > Signed-off-by: Xu Jun <xuju...@sjtu.edu.cn> > --- > libavfilter/x86/vf_convolution.asm | 131 ++++++++++++++++++++++++++ > libavfilter/x86/vf_convolution_init.c | 9 ++ > 2 files changed, 140 insertions(+) > mode change 100644 => 100755 libavfilter/x86/vf_convolution.asm > > diff --git a/libavfilter/x86/vf_convolution.asm > b/libavfilter/x86/vf_convolution.asm > old mode 100644 > new mode 100755 > index 754d4d1064..2a09374b00 > --- a/libavfilter/x86/vf_convolution.asm > +++ b/libavfilter/x86/vf_convolution.asm > @@ -154,3 +154,134 @@ cglobal filter_3x3, 4, 15, 7, dst, width, rdiv, bias, > matrix, ptr, c0, c1, c2, c > INIT_XMM sse4 > FILTER_3X3 > %endif > +
Patch 2-3 are failing to build: https://unofficial.patchwork-ffmpeg.org/project/FFmpeg/list/?series=26 -- Andriy _______________________________________________ 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".
