Uses of Class
org.apache.lucene.util.quantization.ScalarQuantizer
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Packages that use ScalarQuantizer Package Description org.apache.lucene.codecs.hnsw HNSW vector helper classes.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.hnsw
Methods in org.apache.lucene.codecs.hnsw with parameters of type ScalarQuantizer Modifier and Type Method Description static floatScalarQuantizedVectorScorer. quantizeQuery(float[] query, byte[] quantizedQuery, VectorSimilarityFunction similarityFunction, ScalarQuantizer scalarQuantizer)Constructors in org.apache.lucene.codecs.hnsw with parameters of type ScalarQuantizer Constructor Description ScalarQuantizedRandomVectorScorerSupplier(VectorSimilarityFunction similarityFunction, ScalarQuantizer scalarQuantizer, RandomAccessQuantizedByteVectorValues values) -
Uses of ScalarQuantizer in org.apache.lucene.codecs.lucene99
Fields in org.apache.lucene.codecs.lucene99 declared as ScalarQuantizer Modifier and Type Field Description protected ScalarQuantizerOffHeapQuantizedByteVectorValues. scalarQuantizerMethods in org.apache.lucene.codecs.lucene99 that return ScalarQuantizer Modifier and Type Method Description ScalarQuantizerLucene99HnswVectorsReader. getQuantizationState(String field)ScalarQuantizerLucene99ScalarQuantizedVectorsReader. getQuantizationState(String fieldName)ScalarQuantizerOffHeapQuantizedByteVectorValues. getScalarQuantizer()static ScalarQuantizerLucene99ScalarQuantizedVectorsWriter. mergeAndRecalculateQuantiles(MergeState mergeState, FieldInfo fieldInfo, Float confidenceInterval, byte bits)Merges the quantiles of the segments and recalculates the quantiles if necessary.Methods in org.apache.lucene.codecs.lucene99 with parameters of type ScalarQuantizer Modifier and Type Method Description static OffHeapQuantizedByteVectorValuesOffHeapQuantizedByteVectorValues. load(OrdToDocDISIReaderConfiguration configuration, int dimension, int size, ScalarQuantizer scalarQuantizer, VectorSimilarityFunction similarityFunction, FlatVectorsScorer vectorsScorer, boolean compress, long quantizedVectorDataOffset, long quantizedVectorDataLength, IndexInput vectorData)Constructors in org.apache.lucene.codecs.lucene99 with parameters of type ScalarQuantizer Constructor Description DenseOffHeapVectorValues(int dimension, int size, ScalarQuantizer scalarQuantizer, boolean compress, VectorSimilarityFunction similarityFunction, FlatVectorsScorer vectorsScorer, IndexInput slice) -
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 ScalarQuantizerScalarQuantizer. fromVectors(FloatVectorValues floatVectorValues, float confidenceInterval, int totalVectorCount, byte bits)This will read the float vector values and calculate the quantiles.static ScalarQuantizerScalarQuantizer. fromVectorsAutoInterval(FloatVectorValues floatVectorValues, VectorSimilarityFunction function, int totalVectorCount, byte bits)ScalarQuantizerQuantizedVectorsReader. getQuantizationState(String fieldName)ScalarQuantizerRandomAccessQuantizedByteVectorValues. getScalarQuantizer()Methods in org.apache.lucene.util.quantization with parameters of type ScalarQuantizer Modifier and Type Method Description floatScalarQuantizer. recalculateCorrectiveOffset(byte[] quantizedVector, ScalarQuantizer oldQuantizer, VectorSimilarityFunction similarityFunction)Recalculate the old score corrective value given new current quantiles
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