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预训练数据构造有误 #72

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预训练数据构造有误 #72

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6 changes: 4 additions & 2 deletions create_pretraining_data.py
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Original file line number Diff line number Diff line change
Expand Up @@ -558,10 +558,12 @@ def create_masked_lm_predictions(tokens, masked_lm_prob,
# 10% of the time, replace with random word
else:
masked_token = vocab_words[rng.randint(0, len(vocab_words) - 1)]


# 获取真实标签（没有'##'）
masked_lms.append(MaskedLmInstance(index=index, label=output_tokens[index]))
output_tokens[index] = masked_token

masked_lms.append(MaskedLmInstance(index=index, label=tokens[index]))

assert len(masked_lms) <= num_to_predict
masked_lms = sorted(masked_lms, key=lambda x: x.index)

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