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Upgrade deprecated torch.svd() is deprecated in favor of torch.linalg.svd() #439

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Upgrade deprecated torch.svd() is deprecated in favor of torch.linalg.svd() #439

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3 changes: 2 additions & 1 deletion torch_optimizer/shampoo.py
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,8 @@ def _matrix_power(matrix: torch.Tensor, power: float) -> torch.Tensor:
# use CPU for svd for speed up
device = matrix.device
matrix = matrix.cpu()
u, s, v = torch.svd(matrix)
u, s, vh = torch.linalg.svd(matrix, full_matrices=False)
v = vh.mH
return (u @ s.pow_(power).diag() @ v.t()).to(device)


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