[vfio-users] Hyperthreading and kvm

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Hyperthreading on host means MORE cores which you can commit to the VM.
More cores = more performance.
It is good for you.
For the host it doesn't matter logical or physical. For the VM, you'd want
to pin "pairs" of cores, so there would be less CPU cache issues. Like,
assign a core and it's sibling instead of two separate cores.

I use AMD Athlon X4 750k which is based off A10-5700, and it's working very
unstable.
The only way to get it working - use OVMF without VGA and do not use
hugepages.
That's all.

P.S.
Oh well, here we go again.

2015-08-18 22:26 GMT+03:00 ALG Bass <olorin12 at gmail.com>:

> Hi all, new to this list, kvm, and vfio. I've been researching this for
> about a week.
> I'm also going to be building a computer in the near future, so I've got a
> quick two part question:
> Does the hyperthreading on i7 series Intel processors make a significant
> difference in running Windows in a VM, such that it's a noticeable increase
> in performance over an i5? And, does anyone here run Windows in a VM using
> an AMD A-series APU like the 7700k, and how is the performance?
>
> Thank you!
>
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> vfio-users at redhat.com
> https://www.redhat.com/mailman/listinfo/vfio-users
>
>
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