On Sat, 12 Jan 2019 14:52:07 +0100 Michael Niedermayer <mich...@niedermayer.cc> wrote:
> On Sat, Jan 12, 2019 at 10:47:50AM +0200, Lauri Kasanen wrote: > > ./ffmpeg_g -f rawvideo -pix_fmt rgb24 -s hd1080 -i /dev/zero -pix_fmt > > yuv420p16be \ > > -s 1920x1728 -f null -vframes 100 -v error -nostats - > > > > 9-14 bit funcs get about 6x speedup, 16-bit gets about 15x. > > Fate passes, each format tested with an image to video conversion. > > > > Only POWER8 includes 32-bit vector multiplies, so POWER7 is locked out > > of the 16-bit function. This includes the vec_mulo/mule functions too, > > not just vmuluwm. > > > > yuv420p9le > > 12341 UNITS in planarX, 130976 runs, 96 skips > > 73752 UNITS in planarX, 131066 runs, 6 skips > > yuv420p9be > > 12364 UNITS in planarX, 131025 runs, 47 skips > > 73001 UNITS in planarX, 131055 runs, 17 skips > > yuv420p10le > > 12386 UNITS in planarX, 131042 runs, 30 skips > > 72735 UNITS in planarX, 131062 runs, 10 skips > > yuv420p10be > > 12337 UNITS in planarX, 131045 runs, 27 skips > > 72734 UNITS in planarX, 131057 runs, 15 skips > > yuv420p12le > > 12236 UNITS in planarX, 131058 runs, 14 skips > > 73029 UNITS in planarX, 131062 runs, 10 skips > > yuv420p12be > > 12218 UNITS in planarX, 130973 runs, 99 skips > > 72402 UNITS in planarX, 131069 runs, 3 skips > > yuv420p14le > > 12168 UNITS in planarX, 131067 runs, 5 skips > > 72480 UNITS in planarX, 131069 runs, 3 skips > > yuv420p14be > > 12358 UNITS in planarX, 130948 runs, 124 skips > > 73772 UNITS in planarX, 131063 runs, 9 skips > > yuv420p16le > > 10439 UNITS in planarX, 130911 runs, 161 skips > > 157923 UNITS in planarX, 131068 runs, 4 skips > > yuv420p16be > > 10463 UNITS in planarX, 130874 runs, 198 skips > > 154405 UNITS in planarX, 131061 runs, 11 skips > > The number of skips in the benchmark is much larger on one > side. That way the numbers become hard to compare as > more cases aer skipped on one side > > please adjust the parameters so the skip counts are compareable > or redo the tests until the numbers are more similar > thanks How do I do that? It's a VM, so there are going to be pauses no matter what, when other VMs run. Or should I take the largest run count with about the same skips? - Lauri _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
