[GitHub] [lucene] kaivalnp commented on pull request #12160: Concurrent rewrite for KnnVectorQuery

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

kaivalnp commented on PR #12160:
URL: https://github.com/apache/lucene/pull/12160#issuecomment-1436128382

   As a follow up here: We can also dive into breaking the per-segment search into sub-tasks, and make use of work-stealing thread pools (if one thread completes search in a smaller graph, it can "steal" some work from another thread that is performing a larger search by picking up some of it's sub-tasks)
   
   One thing to note here would be that sub-tasks must be large enough so that overhead from sub-task creation, thread switching, etc. does not cause performance drops instead
   
   Any suggestions?


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