Meta Routes Faiss Flat Search Above BLAS Threshold Through Database-Parallel Path
Meta's faiss repository merges a flat-search change that routes queries above the BLAS threshold through the database-parallel path, committed Nov 12, 2026. The MIT-licensed similarity search library, which has 41.5k stars, moved to v1.16.0 two days earlier. Flat search is the exact-search baseline for vector indexes.