If you are curious about how SDXL Unet is implemented and would like to make quick modifications / experimentations, you can alternatively head to [`minSDXL`](https://github.com/cloneofsimo/minSDXL) that is very `diffusers` friendly. It is a single-file implementation of SDXL Unet model that is written in PyTorch with exact same model naming and structure as in `diffusers`.