Getting Torch to recognize GPU
How do you get Torch to recognize CUDA on your video card?

I have a Nvidia GeForce GT 1030 running under Ubuntu 18.04, and it claims to support CUDA, yet when I first tested Torch with it by running:

virtualenv -p python3.7 .env
. .env/bin/activate
pip install torch
python -c "import torch; print(torch.cuda.is_available())"


it returned False, along with the warning:

    The NVIDIA driver on your system is too old (found version 9010).
Please update your GPU driver by downloading and installing a new
version from the URL: http://www.nvidia.com/Download/index.aspx
Alternatively, go to: https://pytorch.org to install
a PyTorch version that has been compiled with your version
of the CUDA driver.


So I ran all system updates and used Ubuntu's proprietary driver installer to install the most recent Nvidia-435 driver for my card.

However, torch.cuda.is_available() still returns false, but now it doesn't give me any warning.

Have I mis-configured Torch or does my GPU just not support CUDA?

Nevermind. I spoke too soon. I didn't reboot after switching over the driver, and apparently that broke nvidia-smi and some other things that loaded the CUDA driver. After the reboot, Torch now recognizes CUDA 10.1 support.
