Cleared 2m ago · apache/lucene #14845 · Java · ★ 3.5k · Apache-2.0

Should we use the new `expectedVisitedNodes` estimator to speed up filtered vector search?

Description @benwtrent 's PR at #14836 introduced an estimator for the number of visited nodes based on k and the number of vectors called expectedVisitedNodes(int k, int size). Currently, filtered vector search works roughly this way: compute a per-leaf k value based on the…

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