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#15979 PR: Add a de-duplicating flat vector format
35 minutes ago  351 comments  0 votes  0 watches  github-actions[bot], inheritdoc, kaivalnp, mikemccand, msokolov
Description Closes 14758 Add a new de-duplicating vector format that only stores unique ... De-duplication is done for vectors across all docs and fields indexed by the format. Disclaimer: This was mostly written by an AI, with me refining the implementation through prompts - ...
    kaivalnp 35 minutes ago:  There's some information in this comment, let me know if you think it should be more explicit..
    kaivalnp 4.8 hours ago:  Ah right, monotonic docid traversal happens in the exact search path -- although I don't think we ... The benefit in the original format is that vectors matching the filter + present close to each ... (but this would be highly dependent on the dimension of vectors, filter, and index sort) I guess ...

#16431 PR: Enable Block-Max WAND dynamic pruning for FunctionScoreQuery via DocValuesSkipper (+422% QPS)
1.9 hours ago  42 comments  0 votes  0 watches  github-actions[bot], jpountz, mikemccand, msokolov, rajat315315, romseygeek, uschindler
Resolves: 16429 # Description Currently, FunctionScoreQuery hardcodes getMaxScore(int upTo) ... Lucene is forced to evaluate DoubleValuesSource and script bytecode on **every single matching ... Additionally, Lucene's default DocValuesSkipper block interval is 4,096 documents (DEFAULT_SKIP_INDE ...
    uschindler 1.9 hours ago:  Can you add a test with a constant lambda function using INCREASING as well as DECREASING as well ... This would also make clear that the above text is correct.
    rajat315315 10.6 hours ago:  I think this can be back-ported if possible as it gives considerable performance improvement in ... Function scripts are used in almost everywhere and this fix should provide an improvement. There's no harm if users are able to take advantage of it without any major upgrade. :+1:

#16443: MultiFieldQueryParser: default operator is not honored between term positions
3.4 hours ago  0 comments  0 votes  0 watches  OlivierJaquemet
Description [Edit corresponding pull request : 16446 ]# Disclaimer Exactly like I already did for ... I then used Claude AI to help identify the root cause and draft this report. Finally, I verified both the reported behavior and the proposed patch against Lucene's main branch ...

#16441: MultiFieldQueryParser + per-field boosts produce wrong Occur under AND default operator
3.5 hours ago  0 comments  0 votes  0 watches  OlivierJaquemet
Description [Edit corresponding pull request : 16442 ]# Disclaimer I found this bug in our ... I then used Claude AI to help identify the root cause and draft this report. Finally, I verified both the reported behavior and the proposed patch against Lucene's main branch ...

#16448: [ENH]: Support Concurrent Segment-Level Aggregation in SortedSetDocValuesFacetCounts via Executor
9 hours ago  0 comments  0 votes  0 watches  gsmiller, mikemccand, rajat315315, rmuir
Description# 1. Motivation Currently, Lucene's collection phase is easily parallelized using the concurrent search ... Slices of segments are searched in parallel, and their matching doc IDs are collected into ...

#16447: Remove throws IOException from Weight.scorerSupplier()
9.1 hours ago  0 comments  0 votes  0 watches  salvatorecampagna
# Summary Weight.scorerSupplier(LeafReaderContext) currently declares throws IOException. Removing it would make the existing planning-time contract enforceable at compile time. # ... It should be cheap: no reader opens or other I/O.

#16446 PR: MultiFieldQueryParser: default operator is not honored between term positions (#16443)
9.2 hours ago  0 comments  0 votes  0 watches  OlivierJaquemet, github-actions[bot]
Fixes 16443 **Problem:** MultiFieldQueryParser's javadoc promises that under AND_OPERATOR, "all ... This only holds when each term reaches the parser as a separate grammar-level token (real ... It doesn't hold when several terms are produced by the *analyzer alone* from a single piece of ...

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