Package org.apache.sysds.runtime.compress.estim

Class EstimationFactors

java.lang.Object

org.apache.sysds.runtime.compress.estim.EstimationFactors

public class EstimationFactors
extends Object

Compressed Size Estimation factors. Contains meta information used to estimate the compression sizes of given columns into given CompressionFormats

Constructor Summary

Constructors

Constructor	Description
EstimationFactors(int numVals, int numRows)
EstimationFactors(int numVals, int numRows, double tupleSparsity)
EstimationFactors(int numVals, int numRows, int numOffs, double tupleSparsity)
EstimationFactors(int numVals, int numOffs, int largestOff, int[] frequencies, int numSingle, int numRows, boolean lossy, boolean zeroIsMostFrequent, double overAllSparsity, double tupleSparsity)
EstimationFactors(int numVals, int numOffs, int largestOff, int[] frequencies, int numSingle, int numRows, int numRuns, boolean lossy, boolean zeroIsMostFrequent, double overAllSparsity, double tupleSparsity)

Method Summary

Modifier and Type	Method	Description
int[]	getFrequencies()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

EstimationFactors

public EstimationFactors(int numVals,
                         int numRows)

EstimationFactors

public EstimationFactors(int numVals,
                         int numRows,
                         double tupleSparsity)

EstimationFactors

public EstimationFactors(int numVals,
                         int numRows,
                         int numOffs,
                         double tupleSparsity)

EstimationFactors

public EstimationFactors(int numVals,
                         int numOffs,
                         int largestOff,
                         int[] frequencies,
                         int numSingle,
                         int numRows,
                         boolean lossy,
                         boolean zeroIsMostFrequent,
                         double overAllSparsity,
                         double tupleSparsity)

EstimationFactors

public EstimationFactors(int numVals,
                         int numOffs,
                         int largestOff,
                         int[] frequencies,
                         int numSingle,
                         int numRows,
                         int numRuns,
                         boolean lossy,
                         boolean zeroIsMostFrequent,
                         double overAllSparsity,
                         double tupleSparsity)

Method Detail

getFrequencies

public int[] getFrequencies()

toString

public String toString()

Overrides:

toString in class Object