16.08.2020, 14:48
(16.08.2020, 14:33)Selur Wrote: Okay, first question, since this is a 2xXeon E5640 system it got 2 physical quad core so thanks to hyper threading 16 logical cores.Good question
-> What should I best use for 'CPU' and 'cores per socket' in the VM configuration? (My guess is either CPU: 16 and Cores per Socket 8 over 2 sockets or CPU: 8 and 4 cores per sockets over 2 sockets?)
Cu Selur
I have a similar setup of With 2 xeon 2560v3 at 10 cores each.
and i dont exactly have a great answer, as for me it was trial by error for what worked best, and also how many vms i wanted to run at once.
so if you wanna run 2 vms at once you would do 8 sockets and 1 core or you could do 4 Sockets and 2 core each. If you are doing just one vm then 16 sockets 1 core each would work. Or 8 sockets 2 core each.
The big deal comes where there is a setting that says “scheduling Affinity” this is the hyper threading section. I literally put the max number it suggested which for me was 40.
sorry that may not be the best answer. But i originally was using handbrake and it said it used a max of 8 cores so i chose 8, but i know vapoursynth can use so much more.
you could try one setting and pick something in hybrid to encode with ultra placebo settings on everything. And see which way produces faster fps encoding.