Very effective.
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Awesome workflow! TYSM
Neat! Can you tell me what does the controlnet tile do for the upscale, as compared with just a series of latent upscales and a normal upscale?
ive been using controlnets to help upscale for a while now. the benefit of using a controlnet, especially using canny.. is that it gives the upscaler a defined outline of the source output you are upscaling and forces it to keep to those guidelines, so it adds details for the upscale without adding anything new to the image.
I highly do not recommend this solution!!
Workflow does not use TiledKSampler or similar solution, so the whole point of using ControlNetTile is lost.
This simply passes a 3840x2176 latent to the regular KSampler, which EXTREMELY slows down generation and is beyond any reasonable limits. It is not recommended by the developers to use tiles larger than 2048 on the larger side.
For ComfyUI I can recommend Ultimate SD Upscale or TiledKSampler.
For A1111 (and forks) I recommend using custom scripts like Ultimate SD Upscale or Tiled Diffusion.
More information about ControlNetTile in the official repository of developers:
https://github.com/lllyasviel/ControlNet-v1-1-nightly#controlnet-11-tile