“Exact centroid build branch”
cohere-10m | 2026-07-12 | r8i.4xlarge, Intel(R) Xeon(R) 6975P-C, 16 vCPU, 124 GB
PG 18.4 | shared_buffers=32 GB | work_mem=1 GB | max_parallel_maintenance_workers=8 | meerkat 0.1.0 (508fcba), pgvector 0.8.5