Text Generation
Transformers
PyTorch
mpt
Composer
MosaicML
llm-foundry
custom_code
text-generation-inference
daking vchiley commited on
Commit
5ea61e3
1 Parent(s): dca1cc9

add explicit cast where running without autocast causes issues (#26)

Browse files

- add explicit cast where running without autocast causes issues (edd58bf5b793e1b12e44c6d0daadce727d277d79)


Co-authored-by: Vitaliy Chiley <vchiley@users.noreply.huggingface.co>

Files changed (1) hide show
  1. attention.py +1 -1
attention.py CHANGED
@@ -55,7 +55,7 @@ def scaled_multihead_dot_product_attention(query, key, value, n_heads, past_key_
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  attn_weight = torch.softmax(attn_weight, dim=-1)
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  if dropout_p:
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  attn_weight = torch.nn.functional.dropout(attn_weight, p=dropout_p, training=training, inplace=True)
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- out = attn_weight.matmul(v)
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  out = rearrange(out, 'b h s d -> b s (h d)')
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  if needs_weights:
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  return (out, attn_weight, past_key_value)
 
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  attn_weight = torch.softmax(attn_weight, dim=-1)
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  if dropout_p:
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  attn_weight = torch.nn.functional.dropout(attn_weight, p=dropout_p, training=training, inplace=True)
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+ out = attn_weight.to(v.dtype).matmul(v)
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  out = rearrange(out, 'b h s d -> b s (h d)')
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  if needs_weights:
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  return (out, attn_weight, past_key_value)