Struct QuantizedVector 

pub struct QuantizedVector {
    pub dimension: usize,
    pub bits_per_scalar: u8,
    pub data: Vec<u8>,
    pub min_values: Vec<f32>,
    pub max_values: Vec<f32>,
}

Fields

dimension: usize

Original dimension of the vector

bits_per_scalar: u8

Number of bits per scalar (8, 16)

data: Vec<u8>

Quantized data

min_values: Vec<f32>

Minimum value for each dimension (for dequantization)

max_values: Vec<f32>

Maximum value for each dimension (for dequantization)

Implementations

impl QuantizedVector

pub fn quantize_8bit(vector: &[f32]) -> Self

Quantize a f32 vector to 8-bit integers

pub fn quantize_16bit(vector: &[f32]) -> Self

Quantize a f32 vector to 16-bit integers

pub fn dequantize(&self) -> Vec<f32>

Dequantize back to f32 vector

pub fn distance(&self, other: &QuantizedVector, metric: DistanceMetric) -> f32

Calculate distance between two quantized vectors

pub fn memory_usage(&self) -> usize

Calculate memory usage in bytes

pub fn compression_ratio(&self) -> f32

Calculate compression ratio compared to original f32 vector

Trait Implementations

impl Clone for QuantizedVector

fn clone(&self) -> QuantizedVector

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for QuantizedVector

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for QuantizedVector

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for QuantizedVector

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

where __S: Serializer,

Serialize this value into the given Serde serializer.