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fix layer_norm with bias=None #2134

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merged 1 commit into from
Aug 15, 2025
Merged

fix layer_norm with bias=None #2134

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4 changes: 4 additions & 0 deletions mindnlp/core/nn/functional.py
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Original file line number Diff line number Diff line change
Expand Up @@ -560,6 +560,10 @@ def softmax(input, dim=-1, *, dtype=None):
return out

def layer_norm(input, normalized_shape, weight=None, bias=None, eps=1e-5):
if weight is None:
weight = core.ones(normalized_shape, dtype=input.dtype, device=input.device)
if bias is None:
bias = core.zeros(normalized_shape, dtype=input.dtype, device=input.device)
return execute('layer_norm_ext', input, normalized_shape, weight, bias, eps)[0]


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