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Fix adapter weight init

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Kohaku-Blueleaf 2025-09-14 11:29:28 +08:00
parent 7d593baf91
commit eea608e48f
4 changed files with 9 additions and 9 deletions
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8
comfy/weight_adapter/loha.py
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@ -130,12 +130,12 @@ class LoHaAdapter(WeightAdapterBase):
def create_train(cls, weight, rank=1, alpha=1.0):
out_dim = weight.shape[0]
in_dim = weight.shape[1:].numel()
mat1 = torch.empty(out_dim, rank, device=weight.device, dtype=weight.dtype)
mat2 = torch.empty(rank, in_dim, device=weight.device, dtype=weight.dtype)
mat1 = torch.empty(out_dim, rank, device=weight.device, dtype=torch.float32)
mat2 = torch.empty(rank, in_dim, device=weight.device, dtype=torch.float32)
torch.nn.init.normal_(mat1, 0.1)
torch.nn.init.constant_(mat2, 0.0)
mat3 = torch.empty(out_dim, rank, device=weight.device, dtype=weight.dtype)
mat4 = torch.empty(rank, in_dim, device=weight.device, dtype=weight.dtype)
mat3 = torch.empty(out_dim, rank, device=weight.device, dtype=torch.float32)
mat4 = torch.empty(rank, in_dim, device=weight.device, dtype=torch.float32)
torch.nn.init.normal_(mat3, 0.1)
torch.nn.init.normal_(mat4, 0.01)
return LohaDiff(

4
comfy/weight_adapter/lokr.py
View File

@ -89,8 +89,8 @@ class LoKrAdapter(WeightAdapterBase):
in_dim = weight.shape[1:].numel()
out1, out2 = factorization(out_dim, rank)
in1, in2 = factorization(in_dim, rank)
mat1 = torch.empty(out1, in1, device=weight.device, dtype=weight.dtype)
mat2 = torch.empty(out2, in2, device=weight.device, dtype=weight.dtype)
mat1 = torch.empty(out1, in1, device=weight.device, dtype=torch.float32)
mat2 = torch.empty(out2, in2, device=weight.device, dtype=torch.float32)
torch.nn.init.kaiming_uniform_(mat2, a=5**0.5)
torch.nn.init.constant_(mat1, 0.0)
return LokrDiff(

4
comfy/weight_adapter/lora.py
View File

@ -66,8 +66,8 @@ class LoRAAdapter(WeightAdapterBase):
def create_train(cls, weight, rank=1, alpha=1.0):
out_dim = weight.shape[0]
in_dim = weight.shape[1:].numel()
mat1 = torch.empty(out_dim, rank, device=weight.device, dtype=weight.dtype)
mat2 = torch.empty(rank, in_dim, device=weight.device, dtype=weight.dtype)
mat1 = torch.empty(out_dim, rank, device=weight.device, dtype=torch.float32)
mat2 = torch.empty(rank, in_dim, device=weight.device, dtype=torch.float32)
torch.nn.init.kaiming_uniform_(mat1, a=5**0.5)
torch.nn.init.constant_(mat2, 0.0)
return LoraDiff(

2
comfy/weight_adapter/oft.py
View File

@ -68,7 +68,7 @@ class OFTAdapter(WeightAdapterBase):
def create_train(cls, weight, rank=1, alpha=1.0):
out_dim = weight.shape[0]
block_size, block_num = factorization(out_dim, rank)
block = torch.zeros(block_num, block_size, block_size, device=weight.device, dtype=weight.dtype)
block = torch.zeros(block_num, block_size, block_size, device=weight.device, dtype=torch.float32)
return OFTDiff(
(block, None, alpha, None)
)