The default installation of Stable Diffusion Automatic111 using the old version of Torch 1.13.1, Torchvision 0.14, and related Xformers, the webui.sh will receive “No module ‘xformers’. Proceeding without it.”.
Pytorch 2.0 and Xformers are offering a big upgrade. Here are quick step on how to upgrade the Automatic111 web UI and load with xformers.
If you are using Anaconda, go open its terminal then go to stable-diffusion-webui/venv/bin and source activate to enter “venv” environment with python 3.10 as default.
Then, we can start to upgrade the torchvision, torch and xformers with this command
pip install torchvision --upgrade pip install torch==2.0 pip install -U xformers
If receive an error like this, you can upgrade the torchvision version.
ERROR: pip's dependency resolver does not currently take into account all the packages that are installed. This behaviour is the source of the following dependency conflicts. torchvision 0.14.1+cu117 requires torch==1.13.1, but you have torch 2.0.0 which is incompatible. Successfully installed torch-2.0.0
After everything is done completely, you can fire-up your webui.sh along with xformers module loaded with command : “bash webui.sh –xformers”