![]() This enables, for instance, multiple VMs on a single Proxmox host to share the same physical GPU and benefit from hardware acceleration as if they had their own physical GPU. This enables compatible devices to virtualize a device, like a GPU, into multiple VFs (virtual functions). However, there is newer technology called Intel VT-d (Intel Virtualization Technology for Directed I/O) which is related to SR-IOV (Single Root I/O virtualization). Other VMs on the Proxmox host can NOT share the GPU. ![]() “Legacy” GPU passthrough requires that the entire GPU be dedicated to a single VM. What is VT-d vGPU and how is it different from ‘legacy’ GPU passthrough? ![]() This enables multiple VMs on the same Proxmox host share the GPU via virtual functions (VFs). This post covers using an Intel 12th Gen (Alder Lake) CPU with Proxmox VE 8 to do VT-d vGPU passthrough to a Windows 11 Pro VM.
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