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[DO NOT MERGE] Stress test CI with combined flaky-test fixes - #2793

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bdice wants to merge 43 commits into

NVIDIA:mainfrom

bdice:flaky-stress

Closed

[DO NOT MERGE] Stress test CI with combined flaky-test fixes#2793
bdice wants to merge 43 commits into
NVIDIA:mainfrom
bdice:flaky-stress

Commits on Oct 10, 2026
- Make k-means centroid updates deterministic
  bdice
  committed
  dd45b5d
- Test that repeated k-means fits are bitwise identical
  bdice
  committed
  11b7b47
- Test searching an NRT reader whose segments are being merged
  bdice
  committed
  d7de50b
- Load GPU indexes on first search for readers opened for a merge
  bdice
  committed
  04ab2a8
- Make the L2 expanded self-distance clamp relative to the norms
  bdice
  committed
  390f97b
- Handle empty lists when building IVF-RaBitQ indexes
  bdice
  committed
  f7c813d
- Reject single-row datasets in CAGRA graph build
  bdice
  committed
  dc92f0a
- Derive the filtering rate in filtered multi-partition CAGRA search
  bdice
  committed
  fe56982
- Fix CAGRA dataset descriptor race across threads sharing a handle
  bdice
  committed
  456b98d
- Make the CAGRA descriptor cache lookup-or-insert atomic
  bdice
  committed
  733caab
- Fix flaky IVF-PQ Python tests
  bdice
  committed
  ccb70f1
- Keep the two segments apart in testMergeTwoSegsWithASingleDocPerSeg
  bdice
  committed
  87ca439
- Add IVF-RaBitQ test for queries that coincide with a list centroid
  bdice
  committed
  dcebe5d
- Clamp IVF-RaBitQ probe distances to non-negative values
  bdice
  committed
  c799bd9
- Require run-to-run determinism explicitly in k-means reductions
  bdice
  committed
  7dcc920
- Explain unavailable top_1_nn paths in NNTest skip message
  bdice
  committed
  1885562
Commits on Oct 11, 2026