Uses of Class
org.apache.sysds.runtime.compress.CompressionSettings

Packages that use CompressionSettings

Package	Description
org.apache.sysds.runtime.compress
org.apache.sysds.runtime.compress.bitmap
org.apache.sysds.runtime.compress.cocode
org.apache.sysds.runtime.compress.colgroup
org.apache.sysds.runtime.compress.cost
org.apache.sysds.runtime.compress.estim
org.apache.sysds.runtime.compress.estim.encoding

Uses of CompressionSettings in org.apache.sysds.runtime.compress

Methods in org.apache.sysds.runtime.compress that return CompressionSettings

Modifier and Type	Method	Description
CompressionSettings	CompressionSettingsBuilder.create()	Create the CompressionSettings object to use in the compression.

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

Modifier and Type	Method	Description
CompressionSettingsBuilder	CompressionSettingsBuilder.copySettings(CompressionSettings that)	Copy the settings from another CompressionSettings Builder, modifies this, not that.

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

Methods in org.apache.sysds.runtime.compress.bitmap with parameters of type CompressionSettings

Modifier and Type	Method	Description
static ABitmap	BitmapEncoder.extractBitmap(IColIndex colIndices, MatrixBlock rawBlock, int estimatedNumberOfUniques, CompressionSettings cs)

Uses of CompressionSettings in org.apache.sysds.runtime.compress.cocode

Methods in org.apache.sysds.runtime.compress.cocode with parameters of type CompressionSettings

Modifier and Type	Method	Description
static CompressedSizeInfo	CoCoderFactory.findCoCodesByPartitioning(AComEst est, CompressedSizeInfo colInfos, int k, ACostEstimate costEstimator, CompressionSettings cs)	Main entry point of CoCode.

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

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

Modifier and Type	Method	Description
static List<AColGroup>	ColGroupFactory.compressColGroups(MatrixBlock in, CompressedSizeInfo csi, CompressionSettings cs)	The actual compression method, that handles the logic of compressing multiple columns together.
static List<AColGroup>	ColGroupFactory.compressColGroups(MatrixBlock in, CompressedSizeInfo csi, CompressionSettings cs, int k)	The actual compression method, that handles the logic of compressing multiple columns together.
static List<AColGroup>	ColGroupFactory.compressColGroups(MatrixBlock in, CompressedSizeInfo csi, CompressionSettings cs, ACostEstimate ce, int k)

Uses of CompressionSettings in org.apache.sysds.runtime.compress.cost

Methods in org.apache.sysds.runtime.compress.cost with parameters of type CompressionSettings

Modifier and Type	Method	Description
static ACostEstimate	CostEstimatorFactory.create(CompressionSettings cs, CostEstimatorBuilder costBuilder, int nRows, int nCols, double sparsity)	Create a cost estimator to enable comparison of different suggested compression formats

Constructors in org.apache.sysds.runtime.compress.cost with parameters of type CompressionSettings

Constructor	Description
DistinctCostEstimator(int nRows, CompressionSettings cs, double sparsity)

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

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

Modifier and Type	Method	Description
static AComEst	ComEstFactory.createEstimator(MatrixBlock data, CompressionSettings cs, int k)	Create an estimator for the input data with the given settings and parallelization degree.
static AComEst	ComEstFactory.createEstimator(MatrixBlock data, CompressionSettings cs, int sampleSize, int k)	Create an estimator for the input data with the given settings and parallelization degree.
AColGroup.CompressionType	CompressedSizeInfoColGroup.getBestCompressionType(CompressionSettings cs)

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

Constructor	Description
ComEstExact(MatrixBlock data, CompressionSettings compSettings)
ComEstSample(MatrixBlock data, CompressionSettings cs, int sampleSize, int k)	CompressedSizeEstimatorSample, samples from the input data and estimates the size of the compressed matrix.

Uses of CompressionSettings in org.apache.sysds.runtime.compress.estim.encoding

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

Modifier and Type	Method	Description
EstimationFactors	ConstEncoding.extractFacts(int nRows, double tupleSparsity, double matrixSparsity, CompressionSettings cs)
EstimationFactors	DenseEncoding.extractFacts(int nRows, double tupleSparsity, double matrixSparsity, CompressionSettings cs)
EstimationFactors	EmptyEncoding.extractFacts(int nRows, double tupleSparsity, double matrixSparsity, CompressionSettings cs)
EstimationFactors	IEncode.extractFacts(int nRows, double tupleSparsity, double matrixSparsity, CompressionSettings cs)	Extract the compression facts for this column group.
EstimationFactors	SparseEncoding.extractFacts(int nRows, double tupleSparsity, double matrixSparsity, CompressionSettings cs)