[FFmpeg-user] Best CPU for ffmpeg

Carl Eugen Hoyos cehoyos at ag.or.at
Tue Jan 28 10:10:56 CET 2014

Tim Nicholson <nichot20 <at> yahoo.com> writes:

> I regularly run ffmpeg on dual 6 core hyperthreaded 
> Xeon's and keep all cores/v cores running nearly flat 
> out. However it does depend upon what you are doing 
> including filtering and codec. Some operations do not
> support threading as they are difficult to parallelise, 
> and can be a bottle neck. However if I'm doing those 
> sorts of things* I just run a few instances of ffmpeg 
> to keep all cores busy.

Did you ever test to start all your instances with 
-threads 1 (twice, once for decoding, once for 
I wonder if that wouldn't increase performance, in 
some cases even significantly.

Carl Eugen

More information about the ffmpeg-user mailing list