能否解释一下EmbeddingExt中的旋转位置编码的作用是什么？
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Description
我理解旋转位置编码应该在取得query和key的向量之后计算，这里为什么是在之前计算？
input_sub具体指的是什么？作为旋转位置编码的x_pos参数传入，发现他大部分场景下始终是0向量，所以旋转位置编码没有起到作用
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- Read the whole issue, then the project's contributing guide.
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Research direction
Start by locating the EmbeddingExt implementation and tracing how input_sub and x_pos are produced and passed into the rotary positional encoding. Compare the execution order with the surrounding query and key construction, including cases where x_pos is a zero vector. Done means documenting whether this behavior is intentional or identifying a reproducible implementation defect.
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Assessment
- Tech stack
- python
- Domain
- machine-learning
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100