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GPU Sharing Between VMs and a Host (programming.dev)

submitted 1 year ago by [email protected] to c/[email protected]

22 comments fedilink hide all child comments

This seems like the final technology in containing and categorizing different PC uses into different virtual machines, while still having good feel even in contained things. If set up right you can have a seamless experience tabbing between a host system and virtual system, and you can do whatever you can normally do in either one! Wanna use linux, but Discord hardly works and you like to play Halo too much to figure out how to dodge it's anti-~~linux~~cheat system? Now you can switch to linux and just run a single script to pull up a fully gaming capable (near bare metal performance) windows system right inside a linux system. Idk about y'all but as far as cool technology to talk about in here goes... this definitely fits for me. I feel like if more people knew this was something you could do relatively easily (if you enjoy tinkering with your OS) with MOST consumer Nvidia cards (20 series and older), Linux would've already passed 5%. What do y'all think about it? The ability to, off a single consumer CPU and GPU, host several acceptable, mid-performance, cloud accessible (or just virtually separate, locally accessible) PCs?

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[–] [email protected] 2 points 1 year ago (1 children)

That would be awesome if we have seamless passthrough, let alone making a GPU be sharable across two or more VMs accessible to mainstream.

For now though its only available for enterprises, type 1 hypervisor and only for a limited set of hardware iirc.

[–] [email protected] 3 points 1 year ago

That's where you'd be wrong! I'm running it on my 1080ti right now. It can be hacked into working on just about any Nvidia card that's recent enough to want to use it. A bit of a community has ended up growing around a group that makes patches for the official vGPU drivers, along with merge scripts, to give the hypervisor the ability to retain regular function (accelerated display out through the DP/HDMIs), while also fooling the vGPU part of the driver into thinking the random consumer card is supported. Unfortunately locked down on 30 series and newer :(, but it's still a VERY cool use for a card like the 1080ti that has become VERY cheap