[Xen-users] Passing a PCI-E video card to a DomU

["James Harr" <james@xxxxxxxxxxx>]

As far as I've seen (which isn't very far), opengl performance under most virtualization products has been non-existent to poor. I've been cooking up an idea to stick two PCIe video cards in a computer, and hand one off to a DomU instance (windows?), and use that for 3D rendering in that DomU. I'm curious to see if it's even technically possible (I wasn't sure if VMX guests can handle raw PCI devices), and if anyone has attempted it before and what they've run into. The idea is that if this works (and well), it'd be a good excuse for me to consolidate my computers into one big fast machine instead of spreading my money out across 2 or 3 machines.  I went through a few pages of google results, saw a lot of talk, but no one who's done it yet.

Any information on this topic would be helpful.

Thanks,
James Harr
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