Uses of Class
org.apache.sysds.runtime.compress.colgroup.AColGroup

Packages that use AColGroup

Package	Description
org.apache.sysds.runtime.compress
org.apache.sysds.runtime.compress.colgroup
org.apache.sysds.runtime.compress.cost

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

Methods in org.apache.sysds.runtime.compress that return types with arguments of type AColGroup

Modifier and Type	Method	Description
List<AColGroup>	CompressedMatrixBlock.getColGroups()	Get the column groups of this CompressedMatrixBlock

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

Modifier and Type	Method	Description
void	CompressedMatrixBlock.allocateColGroup(AColGroup cg)	Allocate the given column group and remove all references to old column groups.

Method parameters in org.apache.sysds.runtime.compress with type arguments of type AColGroup

Modifier and Type	Method	Description
void	CompressedMatrixBlock.allocateColGroupList(List<AColGroup> colGroups)	Replace the column groups in this CompressedMatrixBlock with the given column groups

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

Subclasses of AColGroup in org.apache.sysds.runtime.compress.colgroup

Modifier and Type	Class	Description
class	AColGroupCompressed	Base class for column groups encoded Encoded in a compressed manner.
class	AColGroupOffset	Base class for column groups encoded with various types of bitmap encoding.
class	AColGroupValue	Base class for column groups encoded with value dictionary.
class	AMorphingMMColGroup	Abstract class for column group types that do not perform matrix Multiplication, and decompression for performance reasons but instead transforms into another type of column group type to perform that operation.
class	APreAgg	Abstract class for all the column groups that use preAggregation for Left matrix multiplications.
class	ASDCZero
class	ColGroupConst
class	ColGroupDDC	Class to encapsulate information about a column group that is encoded with dense dictionary encoding (DDC).
class	ColGroupDDCFOR	Class to encapsulate information about a column group that is encoded with dense dictionary encoding (DDC).
class	ColGroupDeltaDDC	Class to encapsulate information about a column group that is first delta encoded then encoded with dense dictionary encoding (DeltaDDC).
class	ColGroupEmpty
class	ColGroupOLE	Class to encapsulate information about a column group that is encoded with simple lists of offsets for each set of distinct values.
class	ColGroupRLE	A group of columns compressed with a single run-length encoded bitmap.
class	ColGroupSDC	Column group that sparsely encodes the dictionary values.
class	ColGroupSDCFOR	ColGroup for Patched Frame Of Reference.
class	ColGroupSDCSingle	Column group that sparsely encodes the dictionary values.
class	ColGroupSDCSingleZeros	Column group that sparsely encodes the dictionary values.
class	ColGroupSDCZeros	Column group that sparsely encodes the dictionary values.
class	ColGroupUncompressed	Column group type for columns that are stored as dense arrays of doubles.

Methods in org.apache.sysds.runtime.compress.colgroup that return AColGroup

Modifier and Type	Method	Description
abstract AColGroup	AColGroup.binaryRowOpLeft(BinaryOperator op, double[] v, boolean isRowSafe)	Perform a binary row operation.
AColGroup	ColGroupConst.binaryRowOpLeft(BinaryOperator op, double[] v, boolean isRowSafe)
AColGroup	ColGroupDDC.binaryRowOpLeft(BinaryOperator op, double[] v, boolean isRowSafe)
AColGroup	ColGroupDDCFOR.binaryRowOpLeft(BinaryOperator op, double[] v, boolean isRowSafe)
AColGroup	ColGroupEmpty.binaryRowOpLeft(BinaryOperator op, double[] v, boolean isRowSafe)
AColGroup	ColGroupOLE.binaryRowOpLeft(BinaryOperator op, double[] v, boolean isRowSafe)
AColGroup	ColGroupRLE.binaryRowOpLeft(BinaryOperator op, double[] v, boolean isRowSafe)
AColGroup	ColGroupSDC.binaryRowOpLeft(BinaryOperator op, double[] v, boolean isRowSafe)
AColGroup	ColGroupSDCFOR.binaryRowOpLeft(BinaryOperator op, double[] v, boolean isRowSafe)
AColGroup	ColGroupSDCSingle.binaryRowOpLeft(BinaryOperator op, double[] v, boolean isRowSafe)
AColGroup	ColGroupSDCSingleZeros.binaryRowOpLeft(BinaryOperator op, double[] v, boolean isRowSafe)
AColGroup	ColGroupSDCZeros.binaryRowOpLeft(BinaryOperator op, double[] v, boolean isRowSafe)
AColGroup	ColGroupUncompressed.binaryRowOpLeft(BinaryOperator op, double[] v, boolean isRowSafe)
abstract AColGroup	AColGroup.binaryRowOpRight(BinaryOperator op, double[] v, boolean isRowSafe)	Perform a binary row operation.
AColGroup	ColGroupConst.binaryRowOpRight(BinaryOperator op, double[] v, boolean isRowSafe)
AColGroup	ColGroupDDC.binaryRowOpRight(BinaryOperator op, double[] v, boolean isRowSafe)
AColGroup	ColGroupDDCFOR.binaryRowOpRight(BinaryOperator op, double[] v, boolean isRowSafe)
AColGroup	ColGroupEmpty.binaryRowOpRight(BinaryOperator op, double[] v, boolean isRowSafe)
AColGroup	ColGroupOLE.binaryRowOpRight(BinaryOperator op, double[] v, boolean isRowSafe)
AColGroup	ColGroupRLE.binaryRowOpRight(BinaryOperator op, double[] v, boolean isRowSafe)
AColGroup	ColGroupSDC.binaryRowOpRight(BinaryOperator op, double[] v, boolean isRowSafe)
AColGroup	ColGroupSDCFOR.binaryRowOpRight(BinaryOperator op, double[] v, boolean isRowSafe)
AColGroup	ColGroupSDCSingle.binaryRowOpRight(BinaryOperator op, double[] v, boolean isRowSafe)
AColGroup	ColGroupSDCSingleZeros.binaryRowOpRight(BinaryOperator op, double[] v, boolean isRowSafe)
AColGroup	ColGroupSDCZeros.binaryRowOpRight(BinaryOperator op, double[] v, boolean isRowSafe)
AColGroup	ColGroupUncompressed.binaryRowOpRight(BinaryOperator op, double[] v, boolean isRowSafe)
abstract AColGroup	AColGroup.copy()	Get a copy of this column group note this is only a shallow copy.
AColGroup	ColGroupConst.copy()
AColGroup	ColGroupEmpty.copy()
AColGroup	ColGroupUncompressed.copy()
static AColGroup	ColGroupConst.create(double[] values)	Generate a constant column group.
static AColGroup	ColGroupConst.create(int[] cols, double value)	Generate a constant column group.
static AColGroup	ColGroupConst.create(int[] cols, double[] values)	Generate a constant column group.
static AColGroup	ColGroupConst.create(int numCols, double value)	Generate a constant column group.
static AColGroup	ColGroupConst.create(int numCols, ADictionary dict)	Generate a constant column group.
static AColGroup	ColGroupDeltaDDC.create(int[] colIndices, int numRows, ADictionary dict, AMapToData data, int[] cachedCounts)
static AColGroup	ColGroupUncompressed.create(int[] colIndexes, MatrixBlock rawBlock, boolean transposed)	Main constructor for Uncompressed ColGroup.
abstract AColGroup	AMorphingMMColGroup.extractCommon(double[] constV)
AColGroup	ColGroupDDCFOR.extractCommon(double[] constV)
AColGroup	ColGroupSDC.extractCommon(double[] constV)
AColGroup	ColGroupSDCFOR.extractCommon(double[] constV)
AColGroup	ColGroupSDCSingle.extractCommon(double[] constV)
abstract AColGroup	AColGroup.replace(double pattern, double replace)	Make a copy of the column group values, and replace all values that match pattern with replacement value.
AColGroup	AColGroupValue.replace(double pattern, double replace)
AColGroup	ColGroupConst.replace(double pattern, double replace)
AColGroup	ColGroupDDCFOR.replace(double pattern, double replace)
AColGroup	ColGroupEmpty.replace(double pattern, double replace)
AColGroup	ColGroupSDC.replace(double pattern, double replace)
AColGroup	ColGroupSDCFOR.replace(double pattern, double replace)
AColGroup	ColGroupSDCSingle.replace(double pattern, double replace)
AColGroup	ColGroupSDCSingleZeros.replace(double pattern, double replace)
AColGroup	ColGroupSDCZeros.replace(double pattern, double replace)
AColGroup	ColGroupUncompressed.replace(double pattern, double replace)
abstract AColGroup	AColGroup.rexpandCols(int max, boolean ignore, boolean cast, int nRows)	Expand the column group to multiple columns.
AColGroup	AColGroupValue.rexpandCols(int max, boolean ignore, boolean cast, int nRows)
AColGroup	ColGroupConst.rexpandCols(int max, boolean ignore, boolean cast, int nRows)
AColGroup	ColGroupDDCFOR.rexpandCols(int max, boolean ignore, boolean cast, int nRows)
AColGroup	ColGroupEmpty.rexpandCols(int max, boolean ignore, boolean cast, int nRows)
AColGroup	ColGroupSDC.rexpandCols(int max, boolean ignore, boolean cast, int nRows)
AColGroup	ColGroupSDCFOR.rexpandCols(int max, boolean ignore, boolean cast, int nRows)
AColGroup	ColGroupSDCSingle.rexpandCols(int max, boolean ignore, boolean cast, int nRows)
AColGroup	ColGroupUncompressed.rexpandCols(int max, boolean ignore, boolean cast, int nRows)
abstract AColGroup	AColGroup.rightMultByMatrix(MatrixBlock right)	Right matrix multiplication with this column group.
AColGroup	AColGroupValue.rightMultByMatrix(MatrixBlock right)
AColGroup	ColGroupConst.rightMultByMatrix(MatrixBlock right)
AColGroup	ColGroupEmpty.rightMultByMatrix(MatrixBlock right)
AColGroup	ColGroupUncompressed.rightMultByMatrix(MatrixBlock right)
abstract AColGroup	AColGroup.scalarOperation(ScalarOperator op)	Perform the specified scalar operation directly on the compressed column group, without decompressing individual cells if possible.
AColGroup	ColGroupConst.scalarOperation(ScalarOperator op)
AColGroup	ColGroupDDC.scalarOperation(ScalarOperator op)
AColGroup	ColGroupDDCFOR.scalarOperation(ScalarOperator op)
AColGroup	ColGroupDeltaDDC.scalarOperation(ScalarOperator op)
AColGroup	ColGroupEmpty.scalarOperation(ScalarOperator op)
AColGroup	ColGroupOLE.scalarOperation(ScalarOperator op)
AColGroup	ColGroupRLE.scalarOperation(ScalarOperator op)
AColGroup	ColGroupSDC.scalarOperation(ScalarOperator op)
AColGroup	ColGroupSDCFOR.scalarOperation(ScalarOperator op)
AColGroup	ColGroupSDCSingle.scalarOperation(ScalarOperator op)
AColGroup	ColGroupSDCSingleZeros.scalarOperation(ScalarOperator op)
AColGroup	ColGroupSDCZeros.scalarOperation(ScalarOperator op)
AColGroup	ColGroupUncompressed.scalarOperation(ScalarOperator op)
AColGroup	AColGroup.sliceColumn(int col)	Slice out a single column from the column group.
AColGroup	AColGroup.sliceColumns(int cl, int cu)	Slice out the columns within the range of cl and cu to remove the dictionary values related to these columns.
AColGroup	ColGroupSDC.subtractDefaultTuple()
abstract AColGroup	AColGroup.unaryOperation(UnaryOperator op)
AColGroup	ColGroupConst.unaryOperation(UnaryOperator op)
AColGroup	ColGroupDDC.unaryOperation(UnaryOperator op)
AColGroup	ColGroupDDCFOR.unaryOperation(UnaryOperator op)
AColGroup	ColGroupEmpty.unaryOperation(UnaryOperator op)
AColGroup	ColGroupOLE.unaryOperation(UnaryOperator op)
AColGroup	ColGroupRLE.unaryOperation(UnaryOperator op)
AColGroup	ColGroupSDC.unaryOperation(UnaryOperator op)
AColGroup	ColGroupSDCFOR.unaryOperation(UnaryOperator op)
AColGroup	ColGroupSDCSingle.unaryOperation(UnaryOperator op)
AColGroup	ColGroupSDCSingleZeros.unaryOperation(UnaryOperator op)
AColGroup	ColGroupSDCZeros.unaryOperation(UnaryOperator op)
AColGroup	ColGroupUncompressed.unaryOperation(UnaryOperator op)

Methods in org.apache.sysds.runtime.compress.colgroup that return types with arguments of type AColGroup

Modifier and Type	Method	Description
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)
static List<AColGroup>	ColGroupIO.readGroups(DataInput in, int nRows)	Read groups from a file.

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

Modifier and Type	Method	Description
abstract void	AColGroup.leftMultByAColGroup(AColGroup lhs, MatrixBlock result)	Left side matrix multiplication with a column group that is transposed.
void	AMorphingMMColGroup.leftMultByAColGroup(AColGroup lhs, MatrixBlock result)
void	APreAgg.leftMultByAColGroup(AColGroup lhs, MatrixBlock result)
void	ColGroupConst.leftMultByAColGroup(AColGroup lhs, MatrixBlock result)
void	ColGroupEmpty.leftMultByAColGroup(AColGroup lhs, MatrixBlock c)
void	ColGroupOLE.leftMultByAColGroup(AColGroup lhs, MatrixBlock result)
void	ColGroupRLE.leftMultByAColGroup(AColGroup lhs, MatrixBlock result)
void	ColGroupUncompressed.leftMultByAColGroup(AColGroup lhs, MatrixBlock result)
abstract void	AColGroup.tsmmAColGroup(AColGroup other, MatrixBlock result)	Matrix multiply with this other column group, but: 1.
void	AMorphingMMColGroup.tsmmAColGroup(AColGroup other, MatrixBlock result)
void	APreAgg.tsmmAColGroup(AColGroup other, MatrixBlock result)
void	ColGroupConst.tsmmAColGroup(AColGroup other, MatrixBlock result)
void	ColGroupEmpty.tsmmAColGroup(AColGroup other, MatrixBlock result)
void	ColGroupOLE.tsmmAColGroup(AColGroup other, MatrixBlock result)
void	ColGroupRLE.tsmmAColGroup(AColGroup other, MatrixBlock result)
void	ColGroupUncompressed.tsmmAColGroup(AColGroup lhs, MatrixBlock result)

Method parameters in org.apache.sysds.runtime.compress.colgroup with type arguments of type AColGroup

Modifier and Type	Method	Description
static double[]	AColGroup.colSum(List<AColGroup> groups, double[] res, int nRows)	Compute the column sum of the given list of groups
static long	ColGroupIO.getExactSizeOnDisk(List<AColGroup> colGroups)	Get the size on disk for the given list of column groups
static void	ColGroupIO.writeGroups(DataOutput out, List<AColGroup> colGroups)	Writes the ColGroups out to the DataOutput.

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

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

Modifier and Type	Method	Description
abstract double	ACostEstimate.getCost(AColGroup cg, int nRows)	Get the cost of a compressed columnGroup.
double	ComputationCostEstimator.getCost(AColGroup cg, int nRows)
double	DistinctCostEstimator.getCost(AColGroup cg, int nRows)
double	HybridCostEstimator.getCost(AColGroup cg, int nRows)
double	MemoryCostEstimator.getCost(AColGroup cg, int nRows)

Method parameters in org.apache.sysds.runtime.compress.cost with type arguments of type AColGroup

Modifier and Type	Method	Description
double	ACostEstimate.getCost(Collection<AColGroup> cgs, int nRows)	Get the cost of a collection of column groups.