Uses of Class
org.apache.lucene.util.quantization.ScalarQuantizer
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Packages that use ScalarQuantizer Package Description org.apache.lucene.codecs.lucene99 Lucene 9.9 file format.org.apache.lucene.util.quantization Provides quantization methods for scaling vector values to smaller data types and possibly fewer dimensions -
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Uses of ScalarQuantizer in org.apache.lucene.codecs.lucene99
Methods in org.apache.lucene.codecs.lucene99 that return ScalarQuantizer Modifier and Type Method Description ScalarQuantizer
Lucene99HnswVectorsReader. getQuantizationState(String field)
ScalarQuantizer
Lucene99ScalarQuantizedVectorsReader. getQuantizationState(String fieldName)
static ScalarQuantizer
Lucene99ScalarQuantizedVectorsWriter. mergeAndRecalculateQuantiles(MergeState mergeState, FieldInfo fieldInfo, float confidenceInterval)
Merges the quantiles of the segments and recalculates the quantiles if necessary. -
Uses of ScalarQuantizer in org.apache.lucene.util.quantization
Methods in org.apache.lucene.util.quantization that return ScalarQuantizer Modifier and Type Method Description static ScalarQuantizer
ScalarQuantizer. fromVectors(FloatVectorValues floatVectorValues, float confidenceInterval, int totalVectorCount)
This will read the float vector values and calculate the quantiles.ScalarQuantizer
QuantizedVectorsReader. getQuantizationState(String fieldName)
Methods in org.apache.lucene.util.quantization with parameters of type ScalarQuantizer Modifier and Type Method Description static float
ScalarQuantizedRandomVectorScorer. quantizeQuery(float[] query, byte[] quantizedQuery, VectorSimilarityFunction similarityFunction, ScalarQuantizer scalarQuantizer)
float
ScalarQuantizer. recalculateCorrectiveOffset(byte[] quantizedVector, ScalarQuantizer oldQuantizer, VectorSimilarityFunction similarityFunction)
Recalculate the old score corrective value given new current quantilesConstructors in org.apache.lucene.util.quantization with parameters of type ScalarQuantizer Constructor Description ScalarQuantizedRandomVectorScorer(VectorSimilarityFunction similarityFunction, ScalarQuantizer scalarQuantizer, RandomAccessQuantizedByteVectorValues values, float[] query)
ScalarQuantizedRandomVectorScorerSupplier(VectorSimilarityFunction similarityFunction, ScalarQuantizer scalarQuantizer, RandomAccessQuantizedByteVectorValues values)
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