org.apache.sysml.runtime.compress.estim

Class CompressedSizeEstimatorSample

java.lang.Object

org.apache.sysml.runtime.compress.estim.CompressedSizeEstimator

org.apache.sysml.runtime.compress.estim.CompressedSizeEstimatorSample

public class CompressedSizeEstimatorSample
extends CompressedSizeEstimator

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.sysml.runtime.compress.estim.CompressedSizeEstimator

CompressedSizeEstimator.SizeEstimationFactors

Field Summary

Fields

Modifier and Type	Field and Description
static double	HAAS_AND_STOKES_ALPHA1
static double	HAAS_AND_STOKES_ALPHA2
static int	HAAS_AND_STOKES_UJ2A_C
static boolean	HAAS_AND_STOKES_UJ2A_CUT2
static boolean	HAAS_AND_STOKES_UJ2A_SOLVE
static int	MAX_SOLVE_CACHE_SIZE

Fields inherited from class org.apache.sysml.runtime.compress.estim.CompressedSizeEstimator

_data, _numRows

Constructor Summary

Constructors

Constructor and Description
CompressedSizeEstimatorSample(MatrixBlock data, int sampleSize)

Method Summary

Modifier and Type	Method and Description
CompressedSizeInfo	estimateCompressedColGroupSize(int[] colIndexes)
CompressedSizeInfo	estimateCompressedColGroupSize(UncompressedBitmap ubm)

Methods inherited from class org.apache.sysml.runtime.compress.estim.CompressedSizeEstimator

computeSizeEstimationFactors, getDDCSize, getNumRows, getOLESize, getRLESize

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

HAAS_AND_STOKES_ALPHA1

public static final double HAAS_AND_STOKES_ALPHA1

See Also:

Constant Field Values

HAAS_AND_STOKES_ALPHA2

public static final double HAAS_AND_STOKES_ALPHA2

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Constant Field Values

HAAS_AND_STOKES_UJ2A_C

public static final int HAAS_AND_STOKES_UJ2A_C

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Constant Field Values

HAAS_AND_STOKES_UJ2A_CUT2

public static final boolean HAAS_AND_STOKES_UJ2A_CUT2

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Constant Field Values

HAAS_AND_STOKES_UJ2A_SOLVE

public static final boolean HAAS_AND_STOKES_UJ2A_SOLVE

See Also:

Constant Field Values

MAX_SOLVE_CACHE_SIZE

public static final int MAX_SOLVE_CACHE_SIZE

See Also:

Constant Field Values

Constructor Detail

CompressedSizeEstimatorSample

public CompressedSizeEstimatorSample(MatrixBlock data,
                                     int sampleSize)
                              throws DMLRuntimeException

Throws:

DMLRuntimeException

Method Detail

estimateCompressedColGroupSize

public CompressedSizeInfo estimateCompressedColGroupSize(int[] colIndexes)

Specified by:

estimateCompressedColGroupSize in class CompressedSizeEstimator

estimateCompressedColGroupSize

public CompressedSizeInfo estimateCompressedColGroupSize(UncompressedBitmap ubm)

Specified by:

estimateCompressedColGroupSize in class CompressedSizeEstimator