sd-dynamic-thresholding

Stable Diffusion Dynamic Thresholding (CFG Scale Fix)

Concept

Extension for SwarmUI, ComfyUI, and AUTOMATIC1111 Stable Diffusion WebUI that enables a way to use higher CFG Scales without color issues.

This works by clamping latents between steps. You can read more here or here or this tweet.

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Credit

The core functionality of this PR was originally developed by Birch-san and ported to the WebUI by dtan3847, then converted to an Auto WebUI extension and given a UI by mcmonkey4eva, further development and research done by mcmonkey4eva and JDMLeverton. Ported by ComfyUI by TwoDukes and mcmonkey4eva. Ported to SwarmUI by mcmonkey4eva.

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Examples

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Demo Grid

View at https://sd.mcmonkey.org/dynthresh/.

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(Was generated via this YAML config for the Infinite Grid Generator)

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Installation and Usage

SwarmUI

• Supported out-of-the-box on default installations.
  • If using a custom installation, just make sure the backend you use has this repo installed per the instructions specific to the backend as written below.
• It's under the "Display Advanced Options" parameter checkbox.

Auto WebUI

• You must have the AUTOMATIC1111 Stable Diffusion WebUI already installed and working. Refer to that project's readme for help with that.
• Open the WebUI, go to the Extensions tab
• -EITHER- Option A:
  • go to the Available tab with
  • click Load from (with the default list)
  • Scroll down to find Dynamic Thresholding (CFG Scale Fix), or use CTRL+F to find it
• -OR- Option B:
  • Click on Install from URL
  • Copy/paste this project's URL into the URL for extension's git repository textbox: https://github.com/mcmonkeyprojects/sd-dynamic-thresholding
• Click Install
• Restart or reload the WebUI
• Go to txt2img or img2img
• Check the Enable Dynamic Thresholding (CFG Scale Fix) box
• Read the info on-page and set the sliders where you want em.
• Click generate.

ComfyUI

• Must have ComfyUI already installed and working. Refer to that project's readme for help with that.
• -EITHER- Option A: (TODO: Manager install)
• -OR- Option B:
  • cd ComfyUI/custom_nodes
  • git clone https://github.com/mcmonkeyprojects/sd-dynamic-thresholding
  • restart ComfyUI
  • Add node advanced/mcmonkey/DynamicThresholdingSimple (or Full)
  • Link your model to the input, and then link the output model to your KSampler's input

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Supported Auto WebUI Extensions

• This can be configured within the Infinity Grid Generator extension, see the readme of that project for details.

ComfyUI Compatibility

• This would work with any variant of the KSampler node, including custom ones, so long as they do not totally override the internal sampling function (most don't).

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Licensing pre-note:

This is an open source project, provided