Struct DiskAnnConfig 

pub struct DiskAnnConfig {
    pub dim: usize,
    pub max_degree: usize,
    pub build_beam: usize,
    pub search_beam: usize,
    pub alpha: f32,
    pub pq_subspaces: usize,
    pub pq_iterations: usize,
    pub storage_path: Option<PathBuf>,
}

Configuration for DiskANN index

Fields

dim: usize

Vector dimension

max_degree: usize

Maximum out-degree for Vamana graph (R)

build_beam: usize

Search beam width during construction (L_build)

search_beam: usize

Search beam width during query (L_search)

alpha: f32

Alpha parameter for robust pruning (>= 1.0)

pq_subspaces: usize

Number of PQ subspaces (M). 0 = no PQ.

pq_iterations: usize

PQ training iterations

storage_path: Option<PathBuf>

Storage directory for persistence

Trait Implementations

impl Clone for DiskAnnConfig

fn clone(&self) -> DiskAnnConfig

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for DiskAnnConfig

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

Formats the value using the given formatter.

impl Default for DiskAnnConfig

fn default() -> Self

Returns the “default value” for a type.