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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/#cuda58 Servers

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25 Sep 2025
@hexa:lossy.networkhexaso no relationship to release-25.05 whatsoever23:33:03
@hexa:lossy.networkhexaso stable users are fckd23:33:13
@ss:someonex.netSomeoneSerge (back on matrix)I asked them about building the release channels, didn't get a positive reaction yet23:33:26
@ss:someonex.netSomeoneSerge (back on matrix)I'll go ping one more time23:33:47
@hexa:lossy.networkhexazowoq restored the cuda-stable jobset until 25.05 eol23:33:49
@hexa:lossy.networkhexaso there is some time23:33:58
@hexa:lossy.networkhexabut boy, do I not like the new deal23:34:05
@ss:someonex.netSomeoneSerge (back on matrix)We'll fix it23:36:21
@ss:someonex.netSomeoneSerge (back on matrix)I heard it's all paracetomol-induced autism23:42:11
26 Sep 2025
@ysndr:matrix.orgysndr
In reply to @ss:someonex.net
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 🙃

A tad confusing indeed.

These stabilities are not describing the stability of the software that is contained, but the rate at which the software changes:

flox/unstable is rebased (almost) daily to the current nixos-unstable.
Every two weeks, that flox/staging is reset to that days unstable, every first Saturday of a month flox/stable is reset to the last staging. I.e. flox stable lags behind nixos-unstable by about 6weeks.

08:40:59
@ysndr:matrix.orgysndr
In reply to @ss:someonex.net
I asked them about building the release channels, didn't get a positive reaction yet
Nope no release channels currently :/
08:43:14
@niclas:overby.meNiclas Overby Ⓝ joined the room.08:57:44
@snektron:matrix.orgSnektrondoes anybody know if there is a hangout for rocm on nixos? is that this group too?19:16:40
@lt1379:matrix.orgLun #ROCm:nixos.org 19:17:23
28 Sep 2025
@gjvnq:matrix.orgMir changed their display name from Gabriela Noriega to Mir.18:56:06
29 Sep 2025
@winter:catgirl.cloudWinter so i've learned 🫠 15:18:02
30 Sep 2025
@zhaofeng:zhaofeng.liZhaofeng Li joined the room.00:30:38
@connorbaker:matrix.orgconnor (he/him)If anyone has stuff they use to verify or test releases, give it a try with https://github.com/NixOS/nixpkgs/pull/437723, it’s nearing ready for review05:01:50
@connorbaker:matrix.orgconnor (he/him) Also can someone explain to me how the regexes for nixpkgs-review are supposed to work? I don't like rebuilding rocmPackages.aotriton and -P '*.aotriton.*' didn't match it for some reason. 05:25:18
@winter:catgirl.cloudWinterare you sure it’s based on the attrpath?05:26:58
@winter:catgirl.cloudWintertbh it would be weird for it not to be, nvm05:27:10
@connorbaker:matrix.orgconnor (he/him) * Also can someone explain to me how the regexes for nixpkgs-review are supposed to work? I don't like rebuilding rocmPackages.aotriton and -P '.*aotriton.*' didn't match it for some reason.
EDIT: typo in regex name, I meant '.*aotriton.*' not `'.aotriton.'
05:29:19
@connorbaker:matrix.orgconnor (he/him) * Also can someone explain to me how the regexes for nixpkgs-review are supposed to work? I don't like rebuilding rocmPackages.aotriton and -P '.*aotriton.*' didn't match it for some reason.
EDIT: typo in regex name, I meant '.*aotriton.*' not '*.aotriton.*'
05:29:49
@connorbaker:matrix.orgconnor (he/him)Unrelated: https://github.com/NixOS/nixpkgs/pull/444123 was merged so there should be a nice closure size reduction coming for CUDA builds of OpenCV05:34:30
@winter:catgirl.cloudWinter(sorry for not having a more useful answer, if nobody gives one by the morning i’ll crack out the source and look lol)05:38:38
@ss:someonex.netSomeoneSerge (back on matrix) Gaétan Lepage: wdyt throwing hydra at it? 08:12:14
@ss:someonex.netSomeoneSerge (back on matrix) * Gaétan Lepage: wdyt throwing hydra at it? I can edit the input, if that's ok 08:36:55
@glepage:matrix.orgGaétan LepageSure, let's go for it.11:24:17
@ss:someonex.netSomeoneSerge (back on matrix) connor (he/him) (UTC-7): https://hydra.nixos-cuda.org/eval/44 12:24:07
@connorbaker:matrix.orgconnor (he/him)

I'm a dummy, the option I wanted was one more down and doesn't have a short flag:

  -P, --skip-package SKIP_PACKAGE
                        Packages to not build (can be passed multiple times)
  --skip-package-regex SKIP_PACKAGE_REGEX
                        Regular expression that package attributes have not to match (can be passed multiple times)
12:43:21

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