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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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11 Mar 2025
@gumby0811:matrix.orggumby0811 set a profile picture.23:38:53
12 Mar 2025
@ruroruro:matrix.orgruro Any preferences on the alternative name for evalPackageSetPlatforms? ))) 00:42:04
@ruroruro:matrix.orgruro I am leaning towards packageSetPlatforms... 00:42:18
@ruroruro:matrix.orgruro * I am leaning towards just packageSetPlatforms... 00:42:32
@ss:someonex.netSomeoneSerge (back on matrix) stick: I was going through the missed notifications today and saw a whole bunch of merged cuda-related fixes and refactorings. That was nice:) 00:43:02
@ss:someonex.netSomeoneSerge (back on matrix) Well, looking at the file again, we have packageSets, so the platforms are also of multiple package set<b>s</b>, but that's inconvenient to type, so maybe psPlatforms? 00:51:57
@ss:someonex.netSomeoneSerge (back on matrix) And comparing to pkgs/top-level/release.nix they introduce packageJobs, but then just use the in-place map for pkgs 00:52:26
@ruroruro:matrix.orgruro Maybe packagePlatforms then? I mean... the attrset specifies the platforms for each package, not for each package set. 00:54:15
@ruroruro:matrix.orgruro * Maybe packagePlatforms then? I mean... this attrset specifies the platforms for each package, not for each package set. 00:54:23
@ruroruro:matrix.orgruro It's a bit unfortunate that packagePlatforms is a function in pkgs/top-level/release.nix, but eh... 00:56:23
@ruroruro:matrix.orgruroNvm00:56:47
@ruroruro:matrix.orgruro It's also a function inherited from release-lib 00:57:04
@ruroruro:matrix.orgruro * packagePlatforms is also a function inherited from release-lib 00:57:19
@ss:someonex.netSomeoneSerge (back on matrix)well, platforms for entire sets of packages, and the reason that stuff is in a separate variable is because individual packages are handled differently00:57:32
@ruroruro:matrix.orgruroYeah...00:57:50
@ruroruro:matrix.orgruroDamn, naming things is hard00:58:00
@ruroruro:matrix.orgruro platformsForPackageSets? 00:58:36
@ss:someonex.netSomeoneSerge (back on matrix)Sure. Or... just keep the function application without a name xD00:59:21
@ruroruro:matrix.orgruro Or alternatively, we could rename packageSets to cudaPackageSets and then rename evalPackageSetPlatforms to cudaPackagePlatforms. 00:59:21
@ss:someonex.netSomeoneSerge (back on matrix)I guess the thought was we might start being less picky and start adding either subscopes?..01:01:12
@ruroruro:matrix.orgruro On one hand this isn't very future proof because of potential future rocm and mkl support. On the other hand, the file is already called release-cuda, not release-unfree or something 01:01:15
@ss:someonex.netSomeoneSerge (back on matrix) Oh! I think I know why it was ${pset} = ... 01:01:30
@ss:someonex.netSomeoneSerge (back on matrix)Uhm no nevermind still doesn't make sense01:03:57
@ruroruro:matrix.orgruro Or maybe s/packageSets/recursivePackages/g and s/evalPackageSetPlatforms/recursivePackagePlatforms/g... 01:06:25
@ss:someonex.netSomeoneSerge (back on matrix)Oh! I didn't do it! xD01:08:11
@ss:someonex.netSomeoneSerge (back on matrix)Git blame shows this was inherited from Frederik's refactoring01:08:46
@ss:someonex.netSomeoneSerge (back on matrix)

recursivePackages

Right now the difference isn't just that it's "recursive" but also that we filter out the unsupported platforms, which we don't do for the packageJobs Can't say this was originally intended but you found a use for that 🤷

01:11:28
@ss:someonex.netSomeoneSerge (back on matrix)Btw it was also maybe a bad move (on my side this time I think) to make these filtered jobs override the manually specified packageJobs01:14:19
@ruroruro:matrix.orgruro If you mean the attrset with explicitly specified packages, then it makes sense not to filter out platforms when they are explicitly spelled out. If you mean packageJobs in release.nix, then I think that it does filter it out by using release-lib.getPlatforms. 01:15:00
@ruroruro:matrix.orgruroYes. I actually flipped the order when I implemented the filtering logic, but this change got thrown out with it.01:15:47

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