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fix Rerank Vector Similarity Score (#1249)

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### What problem does this PR solve?

#1243 
### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)
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GYH 2024-06-24 12:25:50 +08:00 • committed by GitHub
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commit 4fcd05ad23
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rag/llm/rerank_model.py
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@ -71,6 +71,7 @@ class DefaultRerank(Base):
res = [] res = []
for i in range(0, len(pairs), batch_size): for i in range(0, len(pairs), batch_size):
scores = self._model.compute_score(pairs[i:i + batch_size], max_length=2048) scores = self._model.compute_score(pairs[i:i + batch_size], max_length=2048)
scores = sigmoid(np.array(scores)).tolist()
if isinstance(scores, float): res.append(scores) if isinstance(scores, float): res.append(scores)
else: res.extend(scores) else: res.extend(scores)
return np.array(res), token_count return np.array(res), token_count