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Update llama.py

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This commit is contained in:
Daniel Han-Chen 2024-01-29 17:35:19 +11:00
commit 5cfea20129
1 changed files with 9 additions and 9 deletions
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18
unsloth/models/llama.py
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@ -488,15 +488,15 @@ def LlamaModel_fast_forward(
# Fix up attention mask by setting elements to 0
# Specifically for DPO
try:
if self._has_no_labels and attention_mask is not None:
inputs_requires_grad = inputs_embeds.requires_grad
if inputs_requires_grad: inputs_embeds.requires_grad_(False)
inputs_embeds *= attention_mask.unsqueeze(0).transpose(0, 1).transpose(1, 2)
if inputs_requires_grad: inputs_embeds.requires_grad_(True)
pass
except:
print(inputs_embeds.shape, attention_mask.shape)
if self._has_no_labels and attention_mask is not None and \
attention_mask.shape[1] == seq_length:
# Careful for inference the attention_mask is size (1, kv_seq_len)
# Whilst the input_embeds is size (1, 1, 4096)
inputs_requires_grad = inputs_embeds.requires_grad
if inputs_requires_grad: inputs_embeds.requires_grad_(False)
inputs_embeds *= attention_mask.unsqueeze(0).transpose(0, 1).transpose(1, 2)
if inputs_requires_grad: inputs_embeds.requires_grad_(True)
pass
# Ignore attention_mask
if attention_mask is None: