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PixArt sigma

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Mentioned in #19
Also removes old example sampler since updating it would be too much overhead.
Pytorch attention is still wonky.
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City
2024-04-07 17:55:33 +02:00
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@@ -70,6 +70,15 @@ Limitations:
![PixArtT12](https://github.com/city96/ComfyUI_ExtraModels/assets/125218114/eb1a02f9-6114-47eb-a066-261c39c55615)
### PixArt Sigma
Currently only the early 256 and 512 checkpoints are released, out of which only the 512 is supported in this custom node pack.
You can find the [512 checkpoint here](https://huggingface.co/PixArt-alpha/PixArt-Sigma/blob/main/PixArt-Sigma-XL-2-512-MS.pth). Place it in your models folder and select the appropriate type in the model loader / resolution selection node.
> [!IMPORTANT]
> Make sure to select an SDXL VAE for PixArt Sigma!
### PixArt LCM
The LCM model also works if you're on the latest version. To use it: