[FFmpeg-user] Performance tuning FFMPEG under VMware

Henk D. Schoneveld belcampo at zonnet.nl
Thu Dec 12 22:00:22 CET 2013

On 12 Dec 2013, at 20:25, Forrest Aldrich <forrie at gmail.com> wrote:

> We have been running FFMPEG on real-iron hardware for a while; we're now trying it under VMware VMs.  I've noticed a performance degradation -- which I partially expected.
> There are lots of folks out there running FFMPEG like this, in large transcoding farms (Yahoo/Google?) so I'm hoping for some really useful information.
> If you have 2 cores and a max CPU speed of 3ghz, the speed is divided between the two cores.  So, does that make two cores more efficient than one, at full speed?
1 core 20fps
2 cores 37fps
3 cores 44fps
4 cores 47fps

with 4 ffmpeg single core instances " -r 1” you’ll get 4 x 20 = 80fps.
> Thank you in advance...
> Forrest
> _______________________________________________
> ffmpeg-user mailing list
> ffmpeg-user at ffmpeg.org
> http://ffmpeg.org/mailman/listinfo/ffmpeg-user

More information about the ffmpeg-user mailing list