预训练拼接不同文本之间是否加入了分隔符
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Description
看代码逻辑：首先遍历现有的批处理（self._inputs），计算每个批处理的剩余空间（space），并检查新数据（input_ids.shape[0]）是否能够适应该剩余空间。如果能够适应，代码会更新best_fit和best_fit_space变量，以找到剩余空间最小且能容纳新数据的批处理。
问题：比如一个pack里有多个原始数据。那不同的数据有不同的任务，但是都一块被输入到模型中了，拼接不同文本之间是否加入了分隔符？
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Research direction
Trace the packing logic around self._inputs, space, input_ids.shape[0], best_fit, and best_fit_space. Verify how boundaries between original samples are represented in the packed input and check the relevant preprocessing or model-input tests; done means the repository behavior and delimiter handling are established.
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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
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- Needs clarification
- Newbie friendliness
- 25/100