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better naming and correct order for device.

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Kohaku-Blueleaf 2023-12-14 01:47:13 +08:00
parent 8fc67f3851
commit 3772a82a70
1 changed files with 3 additions and 2 deletions
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5
extensions-builtin/Lora/network_oft.py
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@ -56,14 +56,15 @@ class NetworkModuleOFT(network.NetworkModule):
self.block_size, self.num_blocks = factorization(self.out_dim, self.dim)
def calc_updown(self, orig_weight):
I = torch.eye(self.block_size, device=self.oft_blocks.device)
oft_blocks = self.oft_blocks.to(orig_weight.device, dtype=orig_weight.dtype)
eye = torch.eye(self.block_size, device=self.oft_blocks.device)
if self.is_kohya:
block_Q = oft_blocks - oft_blocks.transpose(1, 2) # ensure skew-symmetric orthogonal matrix
norm_Q = torch.norm(block_Q.flatten())
new_norm_Q = torch.clamp(norm_Q, max=self.constraint)
block_Q = block_Q * ((new_norm_Q + 1e-8) / (norm_Q + 1e-8))
oft_blocks = torch.matmul(I + block_Q, (I - block_Q).float().inverse())
oft_blocks = torch.matmul(eye + block_Q, (eye - block_Q).float().inverse())
R = oft_blocks.to(orig_weight.device, dtype=orig_weight.dtype)