Make memory estimation aware of model dtype.

This commit is contained in:
comfyanonymous 2023-11-12 04:26:16 -05:00
parent dd4ba68b6e
commit 4781819a85

View File

@ -161,7 +161,7 @@ class BaseModel(torch.nn.Module):
area = input_shape[0] * input_shape[2] * input_shape[3]
if comfy.model_management.xformers_enabled() or comfy.model_management.pytorch_attention_flash_attention():
#TODO: this needs to be tweaked
return (area / 20) * (1024 * 1024)
return (area / (comfy.model_management.dtype_size(self.get_dtype()) * 10)) * (1024 * 1024)
else:
#TODO: this formula might be too aggressive since I tweaked the sub-quad and split algorithms to use less memory.
return (((area * 0.6) / 0.9) + 1024) * (1024 * 1024)