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PC Drivers & Software

Kosiiq
Adept I
‎08-19-2023 10:41 AM

[How-To] Running Optimized Automatic1111 Stable Diffusion WebUI on AMD GPUs (Extended discussion)

This method proposed by AMD is great, but only certain models are supported.

A better method that supports all models, and increases compute speed is this. When running webui.bat, you use arguments 

  • "webui.bat --onnx --backend directml" for ONNYX,but include this rather:
  • "webui.bat --backend directml --opt-sub-quad-attention"

This will increase compute dramatically for any traditional checkpoints you use, such as ReV_Animated

At Least, this has been my experience with a Radeon RX 6800

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Kosiiq
Adept I
‎08-19-2023 10:59 AM

Here is the results:

 

Without sub quad optimisation:Without sub quad optimisation:

With sub quad optimisationWith sub quad optimisation

That is a 4.6X performance improvement

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