| 4 Aug 2025 |
 aidalgol | https://bpa.st/MDQA | 21:06:35 |
| 5 Aug 2025 |
 connor (he/him) | CUDA 13 release notes are up, some interesting stuff in there, will hopefully have time this month to take a longer look
Still don’t remember whether our setup works with device LTO or separate compilation, not sure how big an issue that’ll be | 05:16:36 |
|  le-chat joined the room. | 11:09:02 |
| 6 Aug 2025 |
| le-chat | Hi. Does somebody know how to make a meson project to see a PyTorch dependency? I'm trying to compile NNStreamer (these are GStreamer plugins for different NN frameworks) with PyTorch backend, but meson reports it has not found pytorch.
An example flake is https://gist.github.com/le-chat/e5c7f583a4fa51742dcbdf5821350679
I've tried extending CMAKE_PREFIX_PATH but without success. | 13:04:23 |
| connor (he/him) | IIRC PyTorch (like OpenCV) has a cxxdev output you need to include if you want to use it in a C++ project; give that a try | 15:13:52 |
| connor (he/him) | Oh you already tried that, never mind
Have you tried with just the cxxdev output? And torch should only go in buildInputs, not nativeBuildInputs | 15:15:11 |
| connor (he/him) | But generally avoid the dev output and make sure to use the cxxdev output for C++ projects | 15:16:18 |
| 7 Aug 2025 |
 grw00 | hey all- is there a similar channel/effort for rocm in nixos? | 09:57:51 |
| le-chat | Now magma fails to build, I did flake update. Switched to nixos-25.05, reran with torch.cxxdev only in buildInputs. Will see. | 10:09:53 |
| connor (he/him) | Make sure you’re specifying cudaCapabilities in config when you import Nixpkgs, otherwise Magma will fail to link because of the sheer amount of device code generated lol | 15:10:33 |
| connor (he/him) | There is/was a ROCm team, not sure about where they are or what they’re up to currently | 15:11:16 |
| 8 Aug 2025 |
|  0x4A6F joined the room. | 06:56:41 |
| connor (he/him) | Kevin Mittman you and SomeoneSerge (Ever OOMed by Element) should chat at some point about the database of binary archives he’s building because I think it might be useful to you as well as us | 14:12:07 |
