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#16811 PR: Faster ENN fallback using Bulk scorer

1.5 hours ago 0 comments 0 votes 0 watches Edarke, github-actions[bot]

Description Enhance Lucene99HnswVectorsReader to dynamically choose between bulkScore and ... . <!

#16805 PR: Collector manager join [DRAFT]

3.6 hours ago 19 comments 0 votes 0 watches github-actions[bot], mkhludnev, msokolov

I took another stab at cutting over the usage in the join package from Collector to CollectorManager ... It seems to pass all the tests, but I don't have a high degree of confidence - the testing in this ... I wonder if anyone who uses this stuff could try this out and give some idea of performance impact? ...

mkhludnev 3.6 hours ago:	sadly, only Solr level ones https://github.com/mkhludnev/aijoin-benchmark I think rebuild it for ...
msokolov 5.2 hours ago:	In the latest version I fixed all kinds of remaining concurrency bugs, which in fact the existing ... I just needed to run a large number of iterations because there are many variations covered by a ...

#16795 PR: Add Java-backed tests for NativeVectorUtilSupport

4.7 hours ago 0 comments 0 votes 0 watches ColinLeeo, github-actions[bot]

Description NativeVectorUtilSupport is normally exercised only when a native library is supplied ... This adds Java-backed method handles so the regular core test suite can exercise native dispatch, ... Relates to 15840

#16731 PR: Add dedup-aware HNSW format that builds the graph over distinct vectors and expands matches to all ...

10.3 hours ago 3 comments 0 votes 0 watches Pranshu-S, github-actions[bot], kaivalnp

This PR builds the HNSW graph over a field's **distinct vectors** rather than one node per ... When many documents share the same vector, a single graph node represents them all, reducing graph ... A dedicated DedupHnswVectorsWriter / DedupHnswVectorsReader pair implements this, choosing a ...

Pranshu-S 7.4 days ago:	Ran some benchmark suits, I was able to find meaningful results only when there close to 70-80% ... Even in those cases, it would make sense to just run exact KNN on the dedup than build a Hnsw Graph ... What might be good next points to explore would be IVF and tiered search similar to Vamana?
Pranshu-S 7.4 days ago:	Few optimisations that I can think off if I were to pull this to a state it could be used: 1. Decide dynamically when to use this new Writer/Reader 2. Performing post-filter on results on the Hnsw results since if we go with (1) - high change that we ...

#16807 PR: Fix up to 150x slowdown of byte vector distances once both signed and uint8 variants have run

14.2 hours ago 8 comments 0 votes 0 watches LantaoJin, benwtrent, github-actions[bot], mccullocht, msokolov, rmuir

Description Since 15148, PanamaVectorUtilSupport computes dotProduct(byte[], byte[]) and ... A boolean signed is passed down to the 128/256/512-bit loops, which choose their widening ... B2S : ZERO_EXTEND_B2S (and the same for S2I and B2I).

msokolov 14.2 hours ago:	> We can consider something like benchmark-action to track our JMH, but set with an enormous ... oh that's a nice idea! I'm still curious how the OP came across this ...
rmuir 1.2 days ago:	We can consider something like benchmark-action to track our JMH, but set with an enormous ...

#16808 PR: ci: improve actions checks

14.3 hours ago 1 comments 0 votes 0 watches dweiss, rmuir

Run the "online" checks for PRs/pushes that change .github/ itself. Currently that's just zizmor in "online" mode, but also add a job for the ASF's allowlist checker. ... We've had problems of outdated actions confusing everyone before, the failure message is not nice.

#16690 PR: Add a hybrid strategy for stored fields merge

20.5 hours ago 4 comments 0 votes 0 watches github-actions[bot], rmuir, wwwa1ter

Closes 16045 # Description The stored fields merge currently falls back to a doc-by-doc copy ... This PR adds a hybrid merge strategy: contiguous ranges of live docs are collected, and - whole ... The hybrid strategy is enabled by default and can be disabled with the org.apache.lucene.codecs.luc ...

github-actions[bot] 20.5 hours 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!
wwwa1ter 15.3 days ago:	Hi @rmuir, I'd appreciate a second look when you have time.

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