Janky implementation of HiDiffusion for ComfyUI. Enables generating at resolutions higher than what the model was trained for. Only supports SD 1.x (maybe 2.x) and SDXL.
https://github.com/blepping/comfyui_jankhidiffusion
git clone https://github.com/blepping/comfyui_jankhidiffusion
comfy node install comfyui_jankhidiffusion