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Disable gradients on diffusion models.

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comfyanonymous
2026-08-01 22:53:13 -04:00
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parent e0951a9c7e
commit 6e6932e45a
1 changed files with 1 additions and 0 deletions
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comfy/model_base.py
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@@ -169,6 +169,7 @@ class BaseModel(torch.nn.Module):
else: else:
operations = model_config.custom_operations operations = model_config.custom_operations
self.diffusion_model = unet_model(**unet_config, device=device, operations=operations) self.diffusion_model = unet_model(**unet_config, device=device, operations=operations)
self.diffusion_model.requires_grad_(False)
self.diffusion_model.eval() self.diffusion_model.eval()
if comfy.model_management.force_channels_last(): if comfy.model_management.force_channels_last():
self.diffusion_model.to(memory_format=torch.channels_last) self.diffusion_model.to(memory_format=torch.channels_last)