A fast drop-in replacement for ComfyUI's Upscale Image (using Model). Batches frames, blends tiles on the GPU, and defaults to no tiling.
https://github.com/Hearmeman24/ComfyUI-HearmemanAI-Upscale
git clone https://github.com/Hearmeman24/ComfyUI-HearmemanAI-Upscale
comfy node install hearmemanai-upscale