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fix baichuan resize

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Former-commit-id: f4657de7d574fdab5d164c679bd474d35140894a
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hiyouga 2023-12-11 20:55:50 +08:00
parent 2e42e38ff2
commit e3e86340ec
1 changed files with 4 additions and 0 deletions
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src/llmtuner/model/utils.py
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@ -188,6 +188,10 @@ def resize_embedding_layer(model: "PreTrainedModel", tokenizer: "PreTrainedToken
r"""
Resize token embeddings.
"""
if not isinstance(model.get_output_embeddings(), torch.nn.Linear):
logger.warning("Current model does not support resizing token embeddings.")
return
old_vocab_size = model.get_input_embeddings().weight.size(0)
if len(tokenizer) != old_vocab_size:
model.resize_token_embeddings(len(tokenizer), pad_to_multiple_of=64)