Uses of Class
org.apache.sysds.runtime.compress.bitmap.ABitmap

Packages that use ABitmap

Package	Description
org.apache.sysds.runtime.compress.bitmap
org.apache.sysds.runtime.compress.colgroup
org.apache.sysds.runtime.compress.colgroup.dictionary
org.apache.sysds.runtime.compress.colgroup.mapping
org.apache.sysds.runtime.compress.estim

Uses of ABitmap in org.apache.sysds.runtime.compress.bitmap

Subclasses of ABitmap in org.apache.sysds.runtime.compress.bitmap

Modifier and Type	Class and Description
class	Bitmap Uncompressed representation of one or more columns in bitmap format.
class	MultiColBitmap Uncompressed representation of one or more columns in bitmap format.

Methods in org.apache.sysds.runtime.compress.bitmap that return ABitmap

Modifier and Type	Method and Description
static ABitmap	BitmapEncoder.extractBitmap(int[] colIndices, MatrixBlock rawBlock, boolean transposed, int estimatedNumberOfUniques) Generate uncompressed bitmaps for a set of columns in an uncompressed matrix block.

Uses of ABitmap in org.apache.sysds.runtime.compress.colgroup

Methods in org.apache.sysds.runtime.compress.colgroup with parameters of type ABitmap

Modifier and Type	Method and Description
static AColGroup	ColGroupFactory.compress(int[] colIndexes, int rlen, ABitmap ubm, AColGroup.CompressionType compType, CompressionSettings cs, MatrixBlock rawMatrixBlock, double tupleSparsity) Method for compressing a column group.

Uses of ABitmap in org.apache.sysds.runtime.compress.colgroup.dictionary

Methods in org.apache.sysds.runtime.compress.colgroup.dictionary with parameters of type ABitmap

Modifier and Type	Method and Description
static ADictionary	DictionaryFactory.create(ABitmap ubm)
static ADictionary	DictionaryFactory.create(ABitmap ubm, double sparsity)
static ADictionary	DictionaryFactory.create(ABitmap ubm, double sparsity, boolean withZeroTuple)
static ADictionary	DictionaryFactory.createWithAppendedZeroTuple(ABitmap ubm)
static ADictionary	DictionaryFactory.createWithAppendedZeroTuple(ABitmap ubm, double sparsity)
static ADictionary	DictionaryFactory.moveFrequentToLastDictionaryEntry(ADictionary dict, ABitmap ubm, int nRow, int largestIndex)

Uses of ABitmap in org.apache.sysds.runtime.compress.colgroup.mapping

Methods in org.apache.sysds.runtime.compress.colgroup.mapping with parameters of type ABitmap

Modifier and Type	Method and Description
static AMapToData	MapToFactory.create(int size, ABitmap ubm)

Uses of ABitmap in org.apache.sysds.runtime.compress.estim

Methods in org.apache.sysds.runtime.compress.estim with parameters of type ABitmap

Modifier and Type	Method and Description
EstimationFactors	CompressedSizeEstimator.estimateCompressedColGroupSize(ABitmap ubm, int[] colIndexes) Method used to extract the CompressedSizeEstimationFactors from an constructed UncompressedBitmap.
static EstimationFactors	CompressedSizeEstimator.estimateCompressedColGroupSize(ABitmap ubm, int[] colIndexes, int nrRows, CompressionSettings cs)

Constructors in org.apache.sysds.runtime.compress.estim with parameters of type ABitmap

Constructor and Description
CompressedSizeInfoColGroup(int[] columns, EstimationFactors facts, Set<AColGroup.CompressionType> validCompressionTypes, ABitmap ubm, int sampleSize)