[FFmpeg-user] ffmpeg x265 on multi-cpus
fr1d_mail at yahoo.fr
Mon Apr 10 15:59:40 EEST 2017
hello Harald, it is not a conclusion, it's an expectation ! and a question : for one file from some format to x265, what it the best efficient way to use my 24 cores ? can you contribute ?BestFred
Le Lundi 10 avril 2017 14h54, Reindl Harald <h.reindl at thelounge.net> a écrit :
Am 10.04.2017 um 14:43 schrieb fred fred:
> thank you Moritz !
> anyway, even with -threads 0
> x265 [info]: Thread pool created using 24 threadsx265
> I see with top command between 400% - 500% CPU on ffmpeg ...
> I was expected like 2400% or 24 ffmpeg workers with 100%
how did you come to the conclusion that parallelization scales magically
and with no limits? if that would be realistic just throwing enough CPU
cores on whatever problem would be the soplution - but that is not how
computers are working
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