public class CompressedSizeEstimatorSample extends CompressedSizeEstimator
CompressedSizeEstimator.SizeEstimationFactors
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 |
_data, _numRows
Constructor and Description |
---|
CompressedSizeEstimatorSample(MatrixBlock data,
int sampleSize) |
Modifier and Type | Method and Description |
---|---|
CompressedSizeInfo |
estimateCompressedColGroupSize(int[] colIndexes) |
CompressedSizeInfo |
estimateCompressedColGroupSize(UncompressedBitmap ubm) |
computeSizeEstimationFactors, getDDCSize, getNumRows, getOLESize, getRLESize
public static final double HAAS_AND_STOKES_ALPHA1
public static final double HAAS_AND_STOKES_ALPHA2
public static final int HAAS_AND_STOKES_UJ2A_C
public static final boolean HAAS_AND_STOKES_UJ2A_CUT2
public static final boolean HAAS_AND_STOKES_UJ2A_SOLVE
public static final int MAX_SOLVE_CACHE_SIZE
public CompressedSizeEstimatorSample(MatrixBlock data, int sampleSize) throws DMLRuntimeException
DMLRuntimeException
public CompressedSizeInfo estimateCompressedColGroupSize(int[] colIndexes)
estimateCompressedColGroupSize
in class CompressedSizeEstimator
public CompressedSizeInfo estimateCompressedColGroupSize(UncompressedBitmap ubm)
estimateCompressedColGroupSize
in class CompressedSizeEstimator
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