Comfyui-LoraUtils

CreateLoraMappingJson

Create a mapping json that maps keys from LoRA A to LoRA B for conversion purposes by identifying common layer structures.

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LoadLoraOnly

Load a LoRA file and optionally scale it by a strength value. Can also merge with an optional existing LoRA.

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LoraAdd

Combine two LoRAs with different ranks via SVD-based rank alignment. This allows merging LoRAs with different ranks.

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LoraLayersOperation

Modify specific layers in a LoRA by zeroing them out (when scale=0) or scaling them (otherwise) based on pattern matching.

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LoraSimpleAdd

Combine two LoRAs with the same ranks by adding their values together. Simple implementation that directly adds tensors with specified weights.

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LoraStatViewer

View information about LoRA layers to help define layer patterns for LoraLayersOperation.

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MergeLoraToModel

Apply a pre-loaded LoRA to diffusion and CLIP models. This allows separation of loading and applying LoRAs.

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SaveLora

This node saves a modified LoRA state dictionary to a safetensors file. It allows users to persist their LoRA modifications for later use. - lora: The modified LoRA state dictionary to save - filename: The filename to save the LoRA as (e.g. mylora.safetensors) - outputdir (optional): Directory to save the LoRA to. Defaults to ComfyUI output directory if not provided. - None (this is an output node that performs file saving) - Saves the LoRA to the specified filename in safetensors format - Will overwrite existing files if they have the same name - Automatically adds .safetensors extension if not present - Saves to the ComfyUI output directory by default - Optionally accepts a custom output directory - Provides feedback message confirming the save location

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