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Fix scaling when embeddings are tied (#591)

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Abdul Fatir 2024-03-18 21:41:07 +01:00 committed by GitHub
parent e4b19bb9e1
commit e05e502c34
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t5/t5.py
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@ -315,9 +315,9 @@ class T5(nn.Module):
inputs, memory=memory, mask=mask, memory_mask=None, cache=cache inputs, memory=memory, mask=mask, memory_mask=None, cache=cache
) )
if not self.tie_word_embeddings: if not self.tie_word_embeddings:
y *= self.model_dim**-0.5
y = self.lm_head(y) y = self.lm_head(y)
else: else:
y *= self.model_dim**-0.5
y = y @ self.wte.weight.T y = y @ self.wte.weight.T
return y, cache return y, cache