[vfio-users] What to put in virt-manager so GeForce Experience will "Optimize" my CPU?

[Okky Hendriansyah]

> On Jan 26, 2016, at 11:09, Will Marler <will at wmarler.com> wrote:
> 
> Found this on the Arch wiki, but setting the kvm option didn't change anything: https://wiki.archlinux.org/index.php/PCI_passthrough_via_OVMF#Make_Nvidia.27s_GeForce_Experience_work

Hi Will,

That ignore MSRS config is just to ignore the guest's request on CPU frequency scaling as it is not relevant. Some games need this config and I'm pretty sure it's safe. I had mine ignored also.

> And I'm not sure what the unintended consequences might be that the Wiki warns about, so I'll be setting that back. Pretty sure I can optimize manually.

The NVIDIA GeForce Experience optimization is basically auto set the most descent performance/picture quality based on presets available on NVIDIA's database and your hardware combination. It doesn't do any optimization magic actually.

> And yea ... I did notice that shutting down the VM and powering it back on was not the same as a reboot, according to the Windows 10 system. I had changed the hostname, powered off, powered on ... Windows said "the name will be changed when the computer reboots." O.o

I noticed that reboots are often slower than power off and power on again in Windows 10. Also I had this CPU recognize issue also in both my physical and virtual machine. On physical machiine I had to do a couple of reboots/cold power off to force Windows 10 to rescan the underlying CPU, other alternative is to use DDU (Display Driver Uninstaller) to completely uninstall the graphics and reinstall it again fresh, which I did that on my guest.

Best regards,
Okky Hendriansyah
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