this post was submitted on 03 Feb 2024
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I found almost no resources for this but it was mostly plug and play.
One thing I can suggest is keep everything same brand. My laptop has an Nvidia gpu built in and I tried using amd gpu without success. Spent about a week on it and tried various combination of drivers and settings. Nvidia just works.
Also Intel gpus require rebar enabled which almost none of the laptops support so I did not really consider them even though they were super attractive because of pricing.
The way I use it is set prime-select to Intel2 which disables built in Nvidia gpu and then I activate external gpu after login by running nvidia-smi as root after login. Then you just launch apps you want to use Nvidia gpu with
__NV_PRIME_RENDER_OFFLOAD=1 __GLX_VENDOR_LIBRARY_NAME=nvidia command_name arguments
Thank you! So it sounds like I just need to find a GPU and enclosure combo that fits my budget (TBD) , and it's like adding any other bit of hardware. I do have an intel-only system currently (integrated Iris XE), so I'll have to dig in on that. Thanks!