Struct HnswConfig 

pub struct HnswConfig {
    pub m: usize,
    pub m_max0: usize,
    pub ef_construction: usize,
    pub ef_search: usize,
    pub level_lambda: f32,
}

Configuration parameters for HnswIndex.

Defaults (M=16, ef_construction=200, ef_search=50) are suitable for high-recall retrieval on dense embeddings up to a few hundred dimensions. Adjust ef_search upward to trade latency for recall.

Fields

m: usize

Maximum number of neighbors per node at level > 0.

m_max0: usize

Maximum number of neighbors per node at level 0 (typically 2 * m).

ef_construction: usize

Size of the dynamic candidate list during construction.

ef_search: usize

Default size of the dynamic candidate list during search.

level_lambda: f32

Level multiplier m_L from the paper. Default 1 / ln(M).

Trait Implementations

impl Clone for HnswConfig

fn clone(&self) -> HnswConfig

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for HnswConfig

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for HnswConfig

fn default() -> Self

Returns the “default value” for a type.

impl Copy for HnswConfig