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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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1 Nov 2024
@gdesforges:matrix.orgGuillaume Desforges changed their profile picture.21:19:14
2 Nov 2024
@sielicki:matrix.orgsielickiI do not really follow the conversation on https://github.com/NixOS/nixpkgs/pull/34370623:22:57
@sielicki:matrix.orgsielicki I don't think it actually matters in this case but just want to call it out if it ever comes up again in the context of nixpkgs: to support the cuda stubs (where you can successfully link a binary against the cuda driver api with the cuda toolkit alone, despite that it doesn't include the full UMD blob), on normal distributions nvidia creates an /usr/local/cuda/lib64/stubs/libcuda.so files, which claim a SONAME with .1, but where the file on disk doesn't actually have that. That means the dynamic loader will never accidentally confuse the stub with the real library. 23:23:59
@ss:someonex.netSomeoneSerge (back on matrix)Huh23:25:10
@sielicki:matrix.orgsielickibut now, for some of the libraries that got relinked here, I think now there's two files that have the same name, and im not sure what the dynamic loader does23:25:29
@sielicki:matrix.orgsielicki * but now, for some of the libraries that got relinked here, I think now there's two files that have the same name, and im not sure what the dynamic loader does edit: maybe not under nixos but potentially for people doing nix on ubuntu or whatever23:25:52
@sielicki:matrix.orgsielickihere let me find you a link, one sec23:26:10
@sielicki:matrix.orgsielickihttps://discourse.cmake.org/t/linking-against-cuda-cuda-driver-not-working-right-with-libcuda-stub-wants-libcuda-so-1-not-libcuda-so/7455/1323:26:38
@sielicki:matrix.orgsielickithis is his first and only post on the cmake forums and it's <3'd by rob maynard who works at nvidia23:27:24

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