On 7/10/2017 5:53 AM, wm4 wrote: > On Sat, 8 Jul 2017 01:45:06 +0200 > Michael Niedermayer <mich...@niedermayer.cc> wrote: > >> On Fri, Jul 07, 2017 at 09:04:37PM +0700, Muhammad Faiz wrote: >>> Avoid pthread_cond_broadcast that wakes up all workers. Make each of them >>> uses distict mutex/cond. Also let main thread help running jobs. >>> >>> Benchmark using afir with threads=5 and 4096 taps fir: >>> channels=1: >>> old: >>> 1849650 decicycles in afir_execute, 2 runs, 0 skips >>> 1525719 decicycles in afir_execute, 1024 runs, 0 skips >>> 1546032 decicycles in afir_execute, 16356 runs, 28 skips >>> new: >>> 1495525 decicycles in afir_execute, 2 runs, 0 skips >>> 968897 decicycles in afir_execute, 1024 runs, 0 skips >>> 941286 decicycles in afir_execute, 16384 runs, 0 skips >>> >>> channels=2: >>> old: >>> 3135485 decicycles in afir_execute, 2 runs, 0 skips >>> 1967158 decicycles in afir_execute, 1024 runs, 0 skips >>> 1802430 decicycles in afir_execute, 16364 runs, 20 skips >>> new: >>> 1864750 decicycles in afir_execute, 2 runs, 0 skips >>> 1437792 decicycles in afir_execute, 1024 runs, 0 skips >>> 1183963 decicycles in afir_execute, 16382 runs, 2 skips >>> >>> channels=4: >>> old: >>> 4879925 decicycles in afir_execute, 2 runs, 0 skips >>> 3557950 decicycles in afir_execute, 1022 runs, 2 skips >>> 3206843 decicycles in afir_execute, 16379 runs, 5 skips >>> new: >>> 2962320 decicycles in afir_execute, 2 runs, 0 skips >>> 2450430 decicycles in afir_execute, 1024 runs, 0 skips >>> 2446219 decicycles in afir_execute, 16383 runs, 1 skips >>> >>> channels=8: >>> old: >>> 6032455 decicycles in afir_execute, 2 runs, 0 skips >>> 4838614 decicycles in afir_execute, 1023 runs, 1 skips >>> 4720760 decicycles in afir_execute, 16369 runs, 15 skips >>> new: >>> 5228150 decicycles in afir_execute, 2 runs, 0 skips >>> 4592129 decicycles in afir_execute, 1023 runs, 1 skips >>> 4469067 decicycles in afir_execute, 16383 runs, 1 skips >> >> this causes a strange change: >> >> ./ffmpeg -i ~/videos/matrixbench_mpeg2.mpg -vcodec libxavs -vf scale=80x60 >> -t 1 file3.nut >> >> results in different files before and after this patch. Neither plays >> i suspect this is not a bug in the patch but something odd elsewhere >> but i dont know > > OK so you're saying there's no bug. Something changed, and you're too > lazy to investigate, but I guess he has all time in the world. > > So why should he care?
Tone it down already. You're being unnecessarily aggressive in a lot of your recent emails. _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
