On Thu, Oct 22, 2015 at 10:25 PM, Ganesh Ajjanagadde <gajjanaga...@gmail.com> wrote: > > On Thu, Oct 22, 2015 at 9:28 PM, Timothy Gu <timothyg...@gmail.com> wrote: > > On Thu, Oct 22, 2015 at 5:01 PM Ganesh Ajjanagadde <gajjanaga...@gmail.com> > > wrote: > >> > >> Sample benchmark (x86-64, Haswell, GNU/Linux), fraps-v2 from FATE: > >> new: > >> 280110 decicycles in qsort, 1 runs, 0 skips > >> 268260 decicycles in qsort, 2 runs, 0 skips > >> > >> old: > >> 1469910 decicycles in qsort, 1 runs, 0 skips > >> 952950 decicycles in qsort, 2 runs, 0 skips > > > > > > Usually it takes more than 2 runs to make sure something is faster than the > > other (try -stream_loop 10000 on the input). > > In this case the gain should be obvious due to inlining. Nevertheless, > here are new numbers. I chose vp6 for two reasons: > 1. Above was for fraps-v2, giving vp6 for more "completeness". > 2. stream_loop throws errors: Error while decoding stream #0:0: > Invalid data found when processing input for fraps-v2. > > Here they are: > vp6 (old): > 78930 decicycles in qsort, 1 runs, 0 skips > 45330 decicycles in qsort, 2 runs, 0 skips > 27825 decicycles in qsort, 4 runs, 0 skips > 17471 decicycles in qsort, 8 runs, 0 skips > 12296 decicycles in qsort, 16 runs, 0 skips > 9554 decicycles in qsort, 32 runs, 0 skips > 8404 decicycles in qsort, 64 runs, 0 skips > 7405 decicycles in qsort, 128 runs, 0 skips > 6740 decicycles in qsort, 256 runs, 0 skips > 7540 decicycles in qsort, 512 runs, 0 skips > 9498 decicycles in qsort, 1024 runs, 0 skips > 9938 decicycles in qsort, 2048 runs, 0 skips > 8043 decicycles in qsort, 4095 runs, 1 skips > > vp6 (new): > 15880 decicycles in qsort, 1 runs, 0 skips > 10730 decicycles in qsort, 2 runs, 0 skips > 10155 decicycles in qsort, 4 runs, 0 skips > 7805 decicycles in qsort, 8 runs, 0 skips > 6883 decicycles in qsort, 16 runs, 0 skips > 6305 decicycles in qsort, 32 runs, 0 skips > 5854 decicycles in qsort, 64 runs, 0 skips > 5152 decicycles in qsort, 128 runs, 0 skips > 4452 decicycles in qsort, 256 runs, 0 skips > 4161 decicycles in qsort, 511 runs, 1 skips > 4081 decicycles in qsort, 1023 runs, 1 skips > 4072 decicycles in qsort, 2047 runs, 1 skips > 4004 decicycles in qsort, 4095 runs, 1 skips
ping > > > > > Timothy _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
