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+--- Thread: desktop apps around local AI on 5090 (/showthread.php?tid=1265)
desktop apps around local AI on 5090 - cudacrate - 10-15-2026
Posting this in case it saves someone else a little time.
I'm helping a small team set up a local workflow. We don't need a giant stack, but we do care about HBM constraints.
Simple and boring is a valid answer.
Re: desktop apps around local AI on 5090 - llmpeak - 10-16-2026
worth checking the driver first.
Re: desktop apps around local AI on 5090 - batchshed - 10-16-2026
A couple things I'd check first. Start by verifying the driver/runtime combo, then test with a smaller prompt, then look at prefill/decode split.
Re: desktop apps around local AI on 5090 - edgeriver - 10-16-2026
Quote:A couple things I'd check first. Start by verifying the driver/runtime combo, then test with a smaller prompt, then look at prefill/decode split.
that fixed it for me too.
Re: desktop apps around local AI on 5090 - llmpeak - 10-18-2026
My first guess would be this: Before rebuilding anything, I'd test one clean baseline with Mixtral and compare from there.
Re: desktop apps around local AI on 5090 - rocmcrate26 - 10-18-2026
What exact setup are you running? Are you testing this on GB200 or something else?
Re: desktop apps around local AI on 5090 - kernelgrid - 10-18-2026
My first guess would be this: On dual 3090, the easiest win is often to back off the aggressive settings and see whether the problem survives. A lot of these threads end up being one bad config plus a pile of conclusions drawn from it.