Re: [I] Use hash set for visited nodes in HNSW search? [LUCENE-10404] [lucene]

["benwtrent (via GitHub)" <gi...@apache.org>]

benwtrent commented on issue #11440:
URL: https://github.com/apache/lucene/issues/11440#issuecomment-1843050638

   While exploring other things, I noticed this: https://github.com/apache/lucene/pull/12789
   
   There is definitely room for improvement here. We should test:
    - when to use Sparse vs. Fixed bit set
    - At what point of percentage exploration should we even drop down to a IntHashMap. Though I am not sure that will ever be worth it when compared against a fixed bit set.


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