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#13572 PR: New JMH benchmark method - vdot8s that implement int8 dotProduct in C…
52 minutes ago  153 comments  0 votes  0 watches  ChrisHegarty, github-actions[bot], goankur, mikemccand, msokolov, rmuir, shubhamvishu, uschindler, yugushihuang
# Credit: https://www.elastic.co/search-labs/blog/vector-similarity-computations-ludicrous-speed ... . # TODOs - Some more plumbing pending, marking as draft as work is incomplete - The native 'C' ...
    shubhamvishu 52 minutes ago:  FYI we now have a bug/issue filed in OpenJDK to improve vector operation support on AArch64 ...
    shubhamvishu 1.8 months ago:  Hi @ChrisHegarty, following up on your comment about opening a bug issue for this in OpenJDK. I heard from an OpenJDK contributor that there isn't a bug filed for this yet. Should we create one now?

#15508 PR: Use native dot product in Lucene
52.5 minutes ago  26 comments  0 votes  0 watches  dweiss, github-actions[bot], goankur, rmuir, shubhamvishu
Description This is continuation of the work @goankur started in https://github.com/apache/ ... Quoting the comment below from the initial PR.
    shubhamvishu 52.5 minutes ago:  FYI we now have a bug/issue filed in OpenJDK to improve vector operation support on AArch64 ...
    shubhamvishu 6.2 days ago:  No problem at all. Thank you @dweiss for the helping hand. It would be a good addition indeed to have a generic java service.

#15685: trick to forbid Hashtable with forbiddenapis
2.1 hours ago  2 comments  0 votes  0 watches  rmuir, uschindler
While reviewing another issue regarding linkedlist, I noticed the following: https://github.com/ ...
    rmuir 2.1 hours ago:  yes, let's ban the ctor!
    uschindler 2.7 hours ago:  @rmuir - that's better, instead of forbiddening the class just disallow usage of ctor. IMHO this should be preferred in most cases as call to a ctor or a static factory is not affected ... We want to basically not disallow the "type" only creating instances of that specific type.

#15636 PR: Allow TermsEnum to express a preference for seekExact to FrozenBufferedUpdates
2.4 hours ago  2 comments  0 votes  0 watches  ankesh-airon-mongodb, benwtrent, dabao521, github-actions[bot], mccullocht
For Terms implementations that have an approximate membership filter, the current scheme of ... Allow TermsEnum to express a preference for seekExact() so that approximate membership filters ... Implement preferSeekExact() in BloomFilteringPostingsFormat where there is obvious benefit.
    dabao521 2.5 hours ago:  LGTM! Thanks for adding the extension and this will be super helpful to tune the bloom filter behavior ...

#15684: Should we switch IndexSearcher to use ForkJoinPool instead of Executor?
3.2 hours ago  0 comments  0 votes  0 watches  shubhamvishu, uschindler
DescriptionThis is a spinoff from a past discussion where @uschindler proposed about switching ... Opening this to get some discussion started if this is worth pursuing or any caveats to be careful ... - are we using IndexSearcher's executor for doing any of such things?)

#15683 PR: Reuse reader's fieldinfos
4.8 hours ago  0 comments  0 votes  0 watches  github-actions[bot], viliam-durina
If an IndexWriter is opened using an IndexCommit with an opened reader (through IndexWriteConfig.set ... This in unnecessary, as their contents are already loaded by the reader, and we can reuse this ... This PR modifies the getFieldNumberMap() method to reuse this information.

#15676 PR: Feature/collaborative hnsw search
7.5 hours ago  8 comments  0 votes  0 watches  benwtrent, github-actions[bot], krickert, navneet1v
[HNSW] Collaborative Search via Dynamic Threshold Feedback > **Status: Experimental** - This ... Full distributed multi-shard testing will happen in a follow-up PR for OpenSearch.
    krickert 7.5 hours ago:  **Summary so far** I now have a controlled multi‑shard test harness. The current luceneutil doesn’t include a "concurrent shard/join" scenario (which makes sense - ... **What I’ve confirmed so far** * Single‑index recall is unchanged with this patch
    krickert 1.2 days ago:  Results from luceneutil: https://github.com/ai-pipestream/lucene-test-data/tree/main/ ...

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