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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/#cuda57 Servers

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25 Sep 2025
@winter:catgirl.cloudWinter this is python3Packages.tensorflow 14:51:03
@winter:catgirl.cloudWinter but it appears that the _pywrap_... it's looking at is different because I have some stuff in LDLIBRARYPATH lol 14:51:42
@winter:catgirl.cloudWinter but it appears that the _pywrap_... it's looking at is different because I have some stuff in LD_LIBRARY_PATH lol 14:51:49
@winter:catgirl.cloudWinteri should dig into it at some point14:52:06
@winter:catgirl.cloudWinterout of curiosity/insanity?14:52:13
@winter:catgirl.cloudWinter* out of curiosity/insanity? (both?)14:52:23
@connorbaker:matrix.orgconnor (burnt/out) (UTC-8)To clarify, are you building PyTorch and Triton with Nix and producing a container, or is this something else? I’d also like to see a reproducer of you have one handy15:07:20
@connorbaker:matrix.orgconnor (burnt/out) (UTC-8)here be the path to (more) madness15:08:12
@apyh:matrix.orgapyh
In reply to @connorbaker:matrix.org
To clarify, are you building PyTorch and Triton with Nix and producing a container, or is this something else? I’d also like to see a reproducer of you have one handy
I'm building a container that includes PyTorch as a runtime dependency, and that PyTorch code calls torch.compile. Let me try to create a minimal repro :)
15:30:19
@apyh:matrix.orgapyhhttps://github.com/arilotter/nix-torch-compile a minimal repro !16:31:15
@apyh:matrix.orgapyhthis includes both things needed to run torch.compile inside a docker container 16:31:30
@hexa:lossy.networkhexa (UTC+1)flox stable nixpkgs is still stuck on aug 27th https://github.com/flox/nixpkgs16:50:13
@hexa:lossy.networkhexa (UTC+1)not sure who can effectively poke them16:50:23
@sporeray:matrix.orgRobbie Buxton @apyh pr is here https://github.com/NixOS/nixpkgs/pull/446105 17:36:25
@ss:someonex.netSomeoneSerge (back on matrix) Yes, I'm really embarrassed to say, but python3Packages.tensorflow has been defaulting to tensorlfow-bin for about a year now... and from what I've heard, even that is a PITA during upgrades 23:30:50
@ss:someonex.netSomeoneSerge (back on matrix)Soooo turns out flox-stable has nothing to do with nixos-stable23:31:25
@hexa:lossy.networkhexa (UTC+1)so what do they build for nixos-stable then?23:32:29
@ss:someonex.netSomeoneSerge (back on matrix)It's a tad confusing, but uhh they follow nixos-unstable, and when it passes the tests, they merge it into flox/staging, and when that passes more tests that's merged into flox/stable 🙃23:32:45
@hexa:lossy.networkhexa (UTC+1)so no relationship to release-25.05 whatsoever23:33:03

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