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#15892 PR: Change access modifier for readAdvise in MMapDirectory
2.8 minutes ago  6 comments  0 votes  0 watches  ChrisHegarty, benwtrent, github-actions[bot], jainankitk, navneet1v, vigyasharma
Description Change access modifier for readAdvise in MMapDirectory. Made the access modifier protected so that classes which overrides MMapDirectory can use the ... I considered adding a getter for this parameter too, but went against it since the return type is ...
    github-actions[bot] 2.8 minutes ago:  This PR has not had activity in the past 2 weeks, labeling it as stale. If the PR is waiting for review, notify the dev@lucene.apache.org list. Thank you for your contribution!
    ChrisHegarty 15.5 days ago:  Can you please explain a little more why would want to make this change? (what use case you’re trying to solve)

#15948 PR: Improve BayesianScoreQuery and LogOddsFusionQuery with base rate prior, weighted Log-OP, and ...
2.8 minutes ago  22 comments  0 votes  0 watches  benwtrent, github-actions[bot], jaepil
# Summary Follow-up to 15827. This PR extends BayesianScoreQuery and LogOddsFusionQuery with three improvements: - ** ... Sample N documents randomly from the index (Fisher-Yates partial shuffle) 2.
    benwtrent 11 hours ago:  Awesome, thank you for the clarification. The idea seems to be there is a 'training and then cache' phase for an index. I wonder what the best behavior would be if a corpus evolves and grows.
    benwtrent 11 hours ago:  I agree, reservoir sampling is the thing to do. That will prevent us from the bias of only considering early tokens in docs.

#15905: ReaderUtil.partitionByLeaf API design: ordinal tracking for scatter/gather pattern
2.3 hours ago  5 comments  0 votes  0 watches  gsmiller, mikemccand, zihanx
# Description: Following up on the recently merged ReaderUtil.partitionByLeaf API (https:// ... The doc-values retriever would: - Take an IndexReader, int[] globalDocIds, and DoubleValuesSource[ ... We need ordinal tracking. # Design options: 1.
    zihanx 2.3 hours ago:  Sorry for the long delay circling back to this. And thanks again @gsmiller for the detailed feedback! - On ScoreDoc[] vs int[] I agree that the four-method explosion is the thing to avoid, and it ...
    gsmiller 1.4 months ago:  With-respect-to ScoreDoc[] vs. int[], I agree with what you're saying about Option 1 vs. Option 3. Ultimately, I'm slightly concerned we're going to end up with four methods proposed by the end of ...

#16065 PR: FaissKnnVectorsFormat COSINE similarity support
5.6 hours ago  5 comments  0 votes  0 watches  github-actions[bot], iprithv, kaivalnp, msfroh
implemented https://github.com/apache/lucene/issues/16064 read this to implement, which was ... https://github.com/facebookresearch/faiss/wiki/FAQ#how-can-i-index-vectors-for-cosine-distance
    kaivalnp 5.6 hours ago:  LGTM on first glance, thanks! Curious if you were able to run knnPerfTest to compare against native Lucene KNN? Also: re-normalizing every document and query vector sounds expensive?
    kaivalnp 5.9 hours ago:  This function reads the metric type from the index as the ground truth -- I wonder if there's a ... I guess it's tricky now because one metric can map to two similarity functions.. Anyways, this doesn't seem like a blocker to me based on actual usage (i.e. the one in FieldInfos ...

#16073 PR: Simplify SortedDocIDMerger.next()
5.9 hours ago  0 comments  0 votes  0 watches  Tim-Brooks, github-actions[bot]
The else if (queue.size() > 0) guard is always true when reached: an empty queue sets ... Replace with else and add a comment explaining why the queue is never empty at that point.

#16072 PR: Implement BitSetIterator#docIDRunEnd
7.8 hours ago  2 comments  0 votes  0 watches  benwtrent, github-actions[bot], iverase
In order to make it efficient, i added a new method to the BitSet interface called nextClearBit ...
    benwtrent 7.8 hours ago:  Need a CHANGES entry under optimizations I would think
    benwtrent 7.8 hours ago:  Maybe I am misunderstanding how FixedbitSet is tested, but I would expect something like we have in ...

#16050 PR: Add SIMD-accelerated bulk range evaluation for dense numeric doc values
8.4 hours ago  96 comments  0 votes  0 watches  benwtrent, github-actions[bot], neoremind, rmuir, romseygeek, sgup432, uschindler
Description Numeric range queries on dense fields use DocValuesRangeIterator, which is a ... This works well, but for MAYBE blocks (where values partially overlap the query range), it still ... Since DocValuesRangeIterator is a TwoPhaseIterator, DenseConjunctionBulkScorer routes it through ...
    rmuir 8.4 hours ago:  i think the compiler can do this itself, when you aren't dealing with floating point. with floating ...
    benwtrent 9.3 hours ago:  @sgup432 yeah, a follow up discussion I think for sure.

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