Struct DataCharacteristics 

pub struct DataCharacteristics {
    pub n_samples: usize,
    pub n_features: usize,
    pub sparsity_scaled: u32,
    pub dtype_size: usize,
    pub memory_layout: MemoryLayout,
    pub cache_friendliness_scaled: u32,
}

Data characteristics that affect performance

Fields

n_samples: usize

Number of samples

n_features: usize

Number of features

sparsity_scaled: u32

Data sparsity (scaled by 1000, so 0 = dense, 1000 = fully sparse)

dtype_size: usize

Data type size in bytes

memory_layout: MemoryLayout

Memory layout (row-major, column-major)

cache_friendliness_scaled: u32

Cache friendliness score (scaled by 1000, so 0 = poor, 1000 = excellent)

Implementations

impl DataCharacteristics

pub fn sparsity(&self) -> f64

Get sparsity as f64

pub fn set_sparsity(&mut self, sparsity: f64)

Set sparsity from f64

pub fn cache_friendliness(&self) -> f64

Get cache friendliness as f64

pub fn set_cache_friendliness(&mut self, cache_friendliness: f64)

Set cache friendliness from f64

Trait Implementations

impl Clone for DataCharacteristics

fn clone(&self) -> DataCharacteristics

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for DataCharacteristics

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

Formats the value using the given formatter.

impl Hash for DataCharacteristics

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for DataCharacteristics

fn eq(&self, other: &DataCharacteristics) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for DataCharacteristics

impl StructuralPartialEq for DataCharacteristics