В Tue, 18 Oct 2011 12:04:36 +0300
Urmas Lett <urmas.l...@eenet.ee> пишет:

> Hello.
> 
> Why is ffmpeg -threads massively slower with ULE than 4BSD?
> 
> ffmpeg preset veryfast with sched_bsd:
> real    1m49.407s
> user    6m53.932s
> sys     0m1.700s
> 
> ffmpeg preset veryfast with sched_ule:
> real    2m52.711s
> user    6m50.310s
> sys     0m1.582s
> 
> #uname -a
> FreeBSD 9.0-RC1 FreeBSD 9.0-RC1 #0: Mon Oct 17 20:32:29 EEST
> 
> 

probably because you have a system processor with 2 cores...?
if yes - then use the 4BSD...it is better for the two cores... IMHO
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