nodes/Extraltodeus-Uncond-Zero-for-ComfyUI
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Update nodes.py

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Extraltodeus
2024-06-20 18:40:27 +02:00
committed by GitHub
parent 5db56ae11c
commit e6ac5fa2c2
1 changed files with 3 additions and 2 deletions
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nodes.py
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@@ -37,7 +37,8 @@ class uncondZeroNode:
return result
new_scale = 1 / (model.model.latent_format.scale_factor * 8) # Anything below this value gave visible artifacts.
# new_scale = 1 / (model.model.latent_format.scale_factor * 8) # Anything below this value gave visible artifacts.
# alright it was around 0.95 with SDXL and 1 is just better. SD 1.x latent scale gives a lower value which ended in bad results.
#Taken and modified from comfy_extras/nodes_model_advanced
def rescale_cfg(args):
@@ -58,7 +59,7 @@ class uncondZeroNode:
cond = ((x - (x_orig - cond)) * (sigma ** 2 + 1.0) ** 0.5) / (sigma)
#rescalecfg
x_cfg = uncond + new_scale * max(scale, 1) * (cond - uncond)
x_cfg = uncond + max(scale, 1) * (cond - uncond)
ro_pos = torch.std(cond, dim=(1,2,3), keepdim=True)
ro_cfg = torch.std(x_cfg, dim=(1,2,3), keepdim=True)