Unverified50% confidenceFactExact time
select uses a fixed-size bitmap with a descriptor count limit typically of 1024; each call requires copying the entire descriptor set from user space to kernel space, and a linear scan is needed after it returns
1
Sources
50%
Confidence
Long-term
Relevance
9/22/2026
First Seen
Sources
Related Entities
Related Claims
Unverifiedselect 受限于 FD_SETSIZE（通常为1024），poll 采用线性扫描为 O(n) 复杂度62% similarUnverifiedThe retriever returns 4 chunks by default, and the number can be controlled via search_kwargs={'k': 5}.62% similarUnverifiedPer-tensor layout maps explicitly list the quantization type corresponding to each tensor in the form of charts and tables.61% similarUnverifiedIdeogram 4 uses a normalized coordinate system of 0 to 1000, specifying element positions via a bbox in the form [x_min, y_min, x_max, y_max].60% similar
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