Struct HnswConfig

pub struct HnswConfig {
    pub dimension: usize,
    pub max_layers: u8,
    pub max_connections: u8,
    pub ef_construction: usize,
    pub ef_search: usize,
    pub distance_metric: DistanceMetric,
    pub scale_factor: Option<f64>,
    pub select_neighbors_strategy: SelectNeighborsStrategy,
}

HNSW configuration parameters.

Fields

dimension: usize

Dimensionality of vectors in the index.

max_layers: u8

Maximum number of layers in the graph. Default is 16.

max_connections: u8

Maximum number of connections per node in each layer. Default is 32.

ef_construction: usize

Expansion factor during index construction. Default is 200.

ef_search: usize

Number of candidates to consider during search. Default is 50.

distance_metric: DistanceMetric

Distance metric to use for similarity calculations. Default is Euclidean.

scale_factor: Option<f64>

Scale factor for adjusting layer distribution. Default is 1.0.

select_neighbors_strategy: SelectNeighborsStrategy

Strategy for selecting neighbors. Default is Heuristic.

Implementations

impl HnswConfig

pub fn layer_gen(&self) -> LayerGen

Creates a layer generator based on the configuration.

Returns

• LayerGen - A layer generator with the configured parameters.

Trait Implementations

impl Clone for HnswConfig

fn clone(&self) -> HnswConfig

Returns a copy 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<(), Error>

Formats the value using the given formatter.

impl Default for HnswConfig

fn default() -> HnswConfig

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for HnswConfig

fn deserialize<__D>( __deserializer: __D, ) -> Result<HnswConfig, <__D as Deserializer<'de>>::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for HnswConfig

fn serialize<__S>( &self, __serializer: __S, ) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.