Module vector 

Vector search: HNSW graph construction, search, and kNN queries.

See [[hierarchical-navigable-small-world]] and [[architecture-overview|milestone-4]].

Modules

global

Single global HNSW per index per dense_vector field.

hnsw

HNSW (Hierarchical Navigable Small World) graph for approximate nearest neighbor search.

quantize

Scalar quantization for vector search.

query

KNN query: approximate nearest neighbor search via the index-wide global HNSW per [[global-vector-indices]] Alternative B.

Enums

DistanceMetric

Distance metric for vector similarity.

Functions

distance

Compute distance between two vectors.

distance_to_score

Convert a raw distance value to a score.

normalize_in_place

Normalize a vector to unit length in place.