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Make cast_to a nop if weight is already good.

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comfyanonymous
2024-08-20 00:50:39 -04:00
parent 1b3eee672c
commit 538cb068bc
1 changed files with 2 additions and 0 deletions
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comfy/ops.py
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@@ -21,6 +21,8 @@ import comfy.model_management
def cast_to(weight, dtype=None, device=None, non_blocking=False):
if (dtype is None or weight.dtype == dtype) and (device is None or weight.device == device):
return weight
r = torch.empty_like(weight, dtype=dtype, device=device)
r.copy_(weight, non_blocking=non_blocking)
return r