Struct BuildParams 

pub struct BuildParams {
    pub metric: Metric,
    pub build_ef: usize,
    pub degree: usize,
    pub alpha: f32,
    pub code_bits: usize,
    pub seed: u64,
    pub quantized_search: bool,
}

Fields

metric: Metric

Distance the graph is built for.

build_ef: usize

Candidate list size of the construction-time greedy search (the first of the two insertion passes uses at most 200).

degree: usize

Out-degree of the bottom layer (even).

alpha: f32

Pruning parameter of the second pass (the first pass uses 1.0).

code_bits: usize

Length of the 1-bit edge codes; rounded up to a power of two of at least 64 and at least the dimension. 0 picks the smallest such length.

seed: u64

quantized_search: bool

Score the construction search’s candidates with the 8-bit codes (one SDOT over a dim-byte row) instead of exact float distances, at every dimension; the expanded set is re-scored exactly before the prune, which stays exact. The cache header does not record this yet: build with a fresh cache path when it changes.

Trait Implementations

impl Clone for BuildParams

fn clone(&self) -> BuildParams

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for BuildParams

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

Formats the value using the given formatter.

impl Default for BuildParams

fn default() -> Self

Returns the “default value” for a type.