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NixOS CUDA

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CUDA packages maintenance and support in nixpkgs | https://github.com/orgs/NixOS/projects/27/ | https://nixos.org/manual/nixpkgs/unstable/#cuda56 Servers

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SenderMessageTime
5 Nov 2025
@sporeray:matrix.orgRobbie Buxton V3 is busted 03:30:54
@connorbaker:matrix.orgconnor (he/him)So long as you have PTX it should be fine03:30:55
@connorbaker:matrix.orgconnor (he/him) cries in Ada 03:31:14
@connorbaker:matrix.orgconnor (he/him)Robbie have you been following PyTorch Helion? Seems interesting (but boooooo Bazel build)03:32:07
@sporeray:matrix.orgRobbie Buxton Yeah seems cool, morach too! 03:32:37
@sporeray:matrix.orgRobbie Buxton * Yeah seems cool, monarch too! 03:32:47
@apyh:matrix.orgapyhmonarch looks sweeet03:32:52
@apyh:matrix.orgapyhwere any of you at pytorch conference?03:33:02
@apyh:matrix.orgapyhshoulda asked when i was there lol03:33:08
@sporeray:matrix.orgRobbie BuxtonNah03:33:33
@sporeray:matrix.orgRobbie BuxtonWas it any good!?03:33:41
@apyh:matrix.orgapyhnah03:33:44
@apyh:matrix.orgapyhlol03:33:45
@apyh:matrix.orgapyhcouple neat talks but nothing revolutionary 03:33:57
@sporeray:matrix.orgRobbie Buxton I will say tho @apyh for packaging I often disable high capacities until after I’ve got it working to make it quicker to interate. 03:38:39
@sporeray:matrix.orgRobbie BuxtonI’ve yet to hit a capability specific build issue touch wood03:38:54
@connorbaker:matrix.orgconnor (he/him) Merged https://github.com/NixOS/nixpkgs/pull/458835
hexa (UTC+1) that should fix the Firefox breakage due to CUDA leaking into the default
15:33:50
@hexa:lossy.networkhexathannks15:36:24
@hexa:lossy.networkhexa* thanks15:36:26
@glepage:matrix.orgGaétan Lepage I have the pleasure to tell you that our infra has churned through the new cuda-packages-v2 jobset for the first time!
https://hydra.nixos-cuda.org/jobset/cuda/cuda-packages-v2
23:31:59
6 Nov 2025
@connorbaker:matrix.orgconnor (he/him)Composition of overlays is associative why does lib use foldr 🤨04:27:40
@connorbaker:matrix.orgconnor (he/him) * 04:28:25
4 Aug 2022
@winterqt:nixos.devWinter (she/her) joined the room.03:26:42
@winterqt:nixos.devWinter (she/her)(hi, just came here to read + respond to this.)03:28:52
@tpw_rules:matrix.orgtpw_ruleshey. i had previously sympathzied with samuela and like i said before had some of the same frustrations. i just edited my github comment to add "[CUDA] packages are universally complicated, fragile to package, and critical to daily operations. Nix being able to manage them is unbelievably helpful to those of us who work with them regularly, even if support is downgraded to only having an expectation of function on stable branches."03:29:14
@winterqt:nixos.devWinter (she/her)
In reply to @tpw_rules:matrix.org
i'm mildly peeved about a recent merging of something i maintain where i'm pretty sure the merger does not own the expensive hardware required to properly test the package. i don't think it broke anything but i was given precisely 45 minutes to see the notification before somebody merged it
ugh, 45 minutes? that's... not great. not to air dirty laundry but did you do what samuela did in the wandb PR and at least say that that wasn't a great thing to do? (not sure how else to word that, you get what i mean)
03:30:23
@tpw_rules:matrix.orgtpw_rulesno, i haven't yet, but i probably will03:31:03
@winterqt:nixos.devWinter (she/her) i admittedly did that with a PR once, i forget how long the maintainer was requested for but i merged it because multiple people reported it fixed the issue. the maintainer said "hey, don't do that" after and now i do think twice before merging. so it could help, is what i'm saying. 03:31:50
@tpw_rules:matrix.orgtpw_rulesi'm not sure what went wrong with the wandb PR anyway, i think it was just a boneheaded move on the maintainer's part03:32:10
@winterqt:nixos.devWinter (she/her)(it was also simple enough that it was fine and the maintainer said it looked good after)03:32:15

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