Package org.apache.sysds.runtime.compress.colgroup.dictionary

Class DeltaDictionary

java.lang.Object

org.apache.sysds.runtime.compress.colgroup.dictionary.ADictionary

org.apache.sysds.runtime.compress.colgroup.dictionary.Dictionary

org.apache.sysds.runtime.compress.colgroup.dictionary.DeltaDictionary

All Implemented Interfaces:

Serializable

public class DeltaDictionary
extends Dictionary

This dictionary class is a specialization for the DeltaDDCColgroup. Here the adjustments for operations for the delta encoded values are implemented.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
DeltaDictionary(double[] values, int numCols)

Method Summary

Modifier and Type	Method	Description
DeltaDictionary	applyScalarOp(ScalarOperator op)	Allocate a new dictionary and applies the scalar operation on each cell of the to then return the new dictionary.

Methods inherited from class org.apache.sysds.runtime.compress.colgroup.dictionary.Dictionary

addToEntry, addToEntry, addToEntryVectorized, aggregate, aggregateCols, aggregateColsWithReference, aggregateRows, aggregateRowsWithDefault, aggregateRowsWithReference, aggregateWithReference, applyScalarOpWithReference, applyUnaryOp, applyUnaryOpWithReference, binOpLeft, binOpLeftWithReference, binOpRight, binOpRight, binOpRightWithReference, centralMoment, centralMomentWithReference, clone, colSum, colSumSq, colSumSqWithReference, containsValue, containsValueWithReference, getExactSizeOnDisk, getInMemorySize, getMBDict, getNumberNonZeros, getNumberNonZerosWithReference, getNumberOfValues, getSparsity, getString, getValue, getValues, inplaceScalarOp, isLossy, multiplyScalar, preaggValuesFromDense, product, productWithDefault, productWithReference, read, replace, replaceWithReference, rexpandCols, rexpandColsWithReference, scaleTuples, sliceOutColumnRange, subtractTuple, sum, sumAllRowsToDouble, sumAllRowsToDoubleSq, sumAllRowsToDoubleSqWithDefault, sumAllRowsToDoubleSqWithReference, sumAllRowsToDoubleWithDefault, sumAllRowsToDoubleWithReference, sumRowWithReference, sumSq, sumSqWithReference, toString, write

Methods inherited from class org.apache.sysds.runtime.compress.colgroup.dictionary.ADictionary

centralMoment, centralMomentWithReference, colProduct

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

DeltaDictionary

public DeltaDictionary(double[] values,
                       int numCols)

Method Detail

applyScalarOp

public DeltaDictionary applyScalarOp(ScalarOperator op)

Description copied from class: ADictionary

Allocate a new dictionary and applies the scalar operation on each cell of the to then return the new dictionary.

Overrides:

applyScalarOp in class Dictionary

Parameters:

op - The operator.

Returns:

The new dictionary to return.