core/org.gnit.lucenekmp.util.quantization/ScalarQuantizedVectorSimilarity

ScalarQuantizedVectorSimilarity

interface ScalarQuantizedVectorSimilarity

Calculates and adjust the scores correctly for quantized vectors given the scalar quantization parameters

Inheritors

MaximumInnerProduct

Types

ByteVectorComparator

interface ByteVectorComparator

Compares two byte vectors

object Companion

class DotProduct(constMultiplier: Float, comparator: ScalarQuantizedVectorSimilarity.ByteVectorComparator) : ScalarQuantizedVectorSimilarity

Calculates dot product on quantized vectors, applying the appropriate corrections

class Euclidean(constMultiplier: Float) : ScalarQuantizedVectorSimilarity

Calculates euclidean distance on quantized vectors, applying the appropriate corrections

MaximumInnerProduct

class MaximumInnerProduct(constMultiplier: Float, comparator: ScalarQuantizedVectorSimilarity.ByteVectorComparator) : ScalarQuantizedVectorSimilarity

Calculates max inner product on quantized vectors, applying the appropriate corrections

Functions

abstract fun score(queryVector: ByteArray, queryVectorOffset: Float, storedVector: ByteArray, vectorOffset: Float): Float