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#16894 PR: ci: add a label-triggered luceneutil benchmark workflow for pull requests

1.9 hours ago 33 comments 0 votes 0 watches github-actions[bot], msfroh, navneet1v, neoremind, owaiskazi19

Description - Part of 16398: committers can benchmark a PR by adding a label. - luceneutil compares the PR's head commit against its merge base on a GitHub runner and posts ...

owaiskazi19 2.1 hours ago:	Good catch :)
owaiskazi19 2.1 hours ago:	Makes sense for all 3. I have added in https://github.com/apache/lucene/pull/16894/commits/2efda724ac53a023a9d3b994346d2e52 ...

#15155: Add bulk off-heap scoring for vector formats

4.8 hours ago 1 comments 0 votes 0 watches benwtrent, kaivalnp

Description We found some pretty awesome latency improvements with float32 vectors bulk scoring ... It makes me think we can get nice improvements for byte vectors and all the quantized formats. See: https://github.com/apache/lucene/pull/14980&: https://github.com/apache/lucene/pull/14978

kaivalnp 4.8 hours ago:

I opened #17013 for scalar quantized vectors, would appreciate a review!

#16901 PR: Add unit tests for NeighborArray#addAndEnsureDiversity

6.3 hours ago 1 comments 0 votes 0 watches github-actions[bot], leng25, msokolov

NeighborArrayaddAndEnsureDiversity is currently only tested indirectly through HnswGraphTestCase. This PR adds direct unit tests in TestNeighborArray Tests use a small 2D scorer (similarity = 1 − ...

leng25 6.3 hours ago:

Hi @msokolov, would appreciate a look when you have time. I noticed you worked on https://github.com/apache/lucene/commit/e1cd426bce39abc4345b748d9cff5ff7fe10 ... Happy to make any changes if needed.

#16998 PR: GITHUB#16997 Negative Query Optimizations for Lucene Monitor Presearcher

7.4 hours ago 21 comments 0 votes 0 watches github-actions[bot], kotman12, romseygeek

Description Hey all, I'm a Solr committer and also a frequent user of the lucene-monitor module ... I've had this idea for a while which was greatly inspired by the very clever way that ... The same approach can actually be extended to more optimally handle negative queries.

kotman12 20.5 hours ago:	> Thanks for opening @kotman12, this looks very cool. It is obviously a lot to review at once so I will take some time over it, if that's OK. Do you have any numbers on how it performs for your usecases?
kotman12 21.2 hours ago:	A propos the dual-interface attribute idea, looks like ConcatenateGraphFilter does something _ ...

#16029: Data-blind scalar quantization

11.4 hours ago 10 comments 0 votes 0 watches Pranshu-S, kaivalnp, mccullocht, mikemccand, msokolov, romseygeek, shubhamvishu, xande

Description Add options for data-blind scalar quantization. Data blind quantization will allow users to drop the raw float vectors which will be a significant ... There are 3 parts to this change: - [x] Allow users to disable centering and drop the raw float ...

Pranshu-S 11.4 hours ago:	Hey @mccullocht , curious as to why this was reverted (https://github.com/apache/lucene/commit/ ... Do we have plans of adding it back soon? I was coming up with changes to introduce quantise residuals on the data blind path.
mccullocht 1.7 months ago:	I merged the data blind changes (thanks @kaivalnp) with some expanded scope: you can choose whether ... We disallow dropping the float vectors for asymmetric quantization schemes (1 and 2 bit docs) ... The next step here is to optionally quantize residuals.

#16868 PR: Use the single-valued leaf cutter for single-valued segments in LongRangeFacetCutter

11.6 hours ago 8 comments 0 votes 0 watches epotyom, github-actions[bot], slow-J

If DocValues.unwrapSingleton returns a segment's values, use the single-valued leaf cutter (instead ... Follow-up to 16268. It was originally part of that, but was spun off as a follow-up.

github-actions[bot] 8 days 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!
slow-J 23.4 days ago:	Thanks for the review Egor!

#16691 PR: Optimize DocValues bulk decoding using Panama widening casts (#16677)

13.1 hours ago 11 comments 0 votes 0 watches CH-Abhinav, costin, github-actions[bot], rmuir

Description This PR introduces SIMD bulk decoding for DocValues (8-bit, 16-bit, and 32-bit ... Currently, default scalar loops handle these widening. This PR tries to use Panama Vector API's shape-widening operations (convertShape with ...

CH-Abhinav 13.1 hours ago:	Hi @costin saw your previously worked on this files recently. Can you see this PR once and review it whenever your free. It is relatively small PR.
CH-Abhinav 2.3 days ago:	Hi @rmuir it would be great if you can review this PR since you started reviewing it. Suggest changes if any.We can try to integrate this in Lucene 11. Thanks :)

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