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Update save.py

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This commit is contained in:
Daniel Han-Chen 2024-02-06 02:11:06 +11:00
commit aa0427f898
1 changed files with 7 additions and 1 deletions
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8
unsloth/save.py
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@ -87,8 +87,14 @@ def _merge_lora(layer, name):
if A is not None:
sAB = (A.t().to(torch.float32) @ (s * B.t().to(torch.float32)))
# new_W = W + sAB
# W.addmm_(A.t().to(torch.float32), B.t().to(torch.float32), alpha = s)
W += sAB
if not torch.isfinite(W).all():
# if not torch.isfinite(new_W).all() or not torch.isfinite(W).all():
# print(torch.dist(new_W, W))
# if not torch.isfinite(W).all():
maximum_element = torch.max(W.min().abs(), W.max())
if not torch.isfinite(maximum_element).item():
raise ValueError(f"Unsloth: Merge failed.\n{name} has some elements = infinity.")
pass
W = W.t().to(dtype)