eqy:

TORCH_CUDA_ARCH_LIST


The contributing build instructions never said anything about that. That environment variable is just empty on my side (if it is normally set as a part of the build process somehow, its no longer set in my environment)
I’m using dual 3090s, nvidia-smi returns the following
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 460.80       Driver Version: 460.80       CUDA Version: 11.2     |
|-------------------------------+----------------------+----------------------+
| GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
| Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
|                               |                      |               MIG M. |
|===============================+======================+======================|
|   0  GeForce RTX 3090    Off  | 00000000:21:00.0  On |                  N/A |
|  0%   41C    P8    32W / 350W |    966MiB / 24267MiB |      2%      Default |
|                               |                      |                  N/A |
+-------------------------------+----------------------+----------------------+
|   1  GeForce RTX 3090    Off  | 00000000:48:00.0 Off |                  N/A |
|  0%   43C    P8    25W / 350W |      6MiB / 24268MiB |      0%      Default |
|                               |                      |                  N/A |
+-------------------------------+----------------------+----------------------+