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

Packages that use ABitmap

Package	Description
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
org.apache.sysds.runtime.compress.lib
org.apache.sysds.runtime.compress.utils

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 an ColGroup.

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(ABitmap map)
static AMapToData	MapToFactory.create(int size, ABitmap map)

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(EstimationFactors facts, Set<AColGroup.CompressionType> validCompressionTypes, ABitmap map) Main Constructor for accurate estimates.

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

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

Modifier and Type	Method and Description
static ABitmap	BitmapEncoder.extractBitmap(int[] colIndices, int rows, BitSet rawBlock, CompressionSettings compSettings)
static ABitmap	BitmapEncoder.extractBitmap(int[] colIndices, MatrixBlock rawBlock, boolean transposed) Generate uncompressed bitmaps for a set of columns in an uncompressed matrix block.
static ABitmap	BitmapLossyEncoder.makeBitmapLossy(ABitmap ubm, int numRows) Given a Bitmap try to make a lossy version of the same bitmap.

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

Modifier and Type	Method and Description
static ABitmap	BitmapLossyEncoder.makeBitmapLossy(ABitmap ubm, int numRows) Given a Bitmap try to make a lossy version of the same bitmap.

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

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

Modifier and Type	Class and Description
class	Bitmap Uncompressed representation of one or more columns in bitmap format.
class	BitmapLossy Uncompressed but Quantized representation of contained data.
class	MultiColBitmap Uncompressed representation of one or more columns in bitmap format.