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.colgroup.indexes
org.apache.sysds.runtime.compress.colgroup.scheme
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

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

Constructor	Description
CompressedMatrixBlock(int rl, int cl, long nnz, boolean overlapping, List<AColGroup> groups)	Direct constructor with everything.

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
class	ADictBasedColGroup
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	ASDC	Column group that sparsely encodes the dictionary values.
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	ColGroupEmpty
class	ColGroupLinearFunctional
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.append(AColGroup g)	Append the other column group to this column group.
AColGroup	ColGroupConst.append(AColGroup g)
AColGroup	ColGroupDDC.append(AColGroup g)
AColGroup	ColGroupDDCFOR.append(AColGroup g)
AColGroup	ColGroupEmpty.append(AColGroup g)
AColGroup	ColGroupLinearFunctional.append(AColGroup g)
AColGroup	ColGroupOLE.append(AColGroup g)
AColGroup	ColGroupRLE.append(AColGroup g)
AColGroup	ColGroupSDC.append(AColGroup g)
AColGroup	ColGroupSDCFOR.append(AColGroup g)
AColGroup	ColGroupSDCSingle.append(AColGroup g)
AColGroup	ColGroupSDCSingleZeros.append(AColGroup g)
AColGroup	ColGroupSDCZeros.append(AColGroup g)
AColGroup	ColGroupUncompressed.append(AColGroup g)
static AColGroup	AColGroup.appendN(AColGroup[] groups)	Append all column groups in the list provided together in one go allocating the output once.
AColGroup	ColGroupConst.appendNInternal(AColGroup[] g)
AColGroup	ColGroupDDC.appendNInternal(AColGroup[] g)
AColGroup	ColGroupDDCFOR.appendNInternal(AColGroup[] g)
AColGroup	ColGroupEmpty.appendNInternal(AColGroup[] g)
AColGroup	ColGroupLinearFunctional.appendNInternal(AColGroup[] g)
AColGroup	ColGroupOLE.appendNInternal(AColGroup[] g)
AColGroup	ColGroupRLE.appendNInternal(AColGroup[] g)
AColGroup	ColGroupSDC.appendNInternal(AColGroup[] g)
AColGroup	ColGroupSDCFOR.appendNInternal(AColGroup[] g)
AColGroup	ColGroupSDCSingle.appendNInternal(AColGroup[] g)
AColGroup	ColGroupSDCSingleZeros.appendNInternal(AColGroup[] g)
AColGroup	ColGroupSDCZeros.appendNInternal(AColGroup[] g)
AColGroup	ColGroupUncompressed.appendNInternal(AColGroup[] g)
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	ColGroupLinearFunctional.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	ColGroupLinearFunctional.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)
static AColGroup	ColGroupConst.create(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	ColGroupConst.create(IColIndex cols, double value)	Generate a constant column group.
static AColGroup	ColGroupConst.create(IColIndex cols, double[] values)	Generate a constant column group.
static AColGroup	ColGroupDDC.create(IColIndex colIndexes, ADictionary dict, AMapToData data, int[] cachedCounts)
static AColGroup	ColGroupDDCFOR.create(IColIndex colIndexes, ADictionary dict, AMapToData data, int[] cachedCounts, double[] reference)
static AColGroup	ColGroupLinearFunctional.create(IColIndex colIndices, double[] coefficents, int numRows)	Generate a linear functional column group.
static AColGroup	ColGroupSDC.create(IColIndex colIndices, int numRows, ADictionary dict, double[] defaultTuple, AOffset offsets, AMapToData data, int[] cachedCounts)
static AColGroup	ColGroupSDCFOR.create(IColIndex colIndexes, int numRows, ADictionary dict, AOffset offsets, AMapToData data, int[] cachedCounts, double[] reference)
static AColGroup	ColGroupSDCSingle.create(IColIndex colIndexes, int numRows, ADictionary dict, double[] defaultTuple, AOffset offsets, int[] cachedCounts)
static AColGroup	ColGroupSDCSingleZeros.create(IColIndex colIndices, int numRows, ADictionary dict, AOffset offsets, int[] cachedCounts)
static AColGroup	ColGroupSDCZeros.create(IColIndex colIndices, int numRows, ADictionary dict, AOffset offsets, AMapToData data, int[] cachedCounts)
static AColGroup	ColGroupUncompressed.create(IColIndex colIndexes, MatrixBlock rawBlock, boolean transposed)	Main constructor for Uncompressed ColGroup.
static AColGroup	ColGroupUncompressed.create(MatrixBlock data)
abstract AColGroup	AMorphingMMColGroup.extractCommon(double[] constV)	extract common value from group and return non morphing group
AColGroup	ColGroupDDCFOR.extractCommon(double[] constV)
AColGroup	ColGroupSDC.extractCommon(double[] constV)
AColGroup	ColGroupSDCFOR.extractCommon(double[] constV)
AColGroup	ColGroupSDCSingle.extractCommon(double[] constV)
static AColGroup	ColGroupIO.readColGroup(DataInput in, int nRows)
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	ColGroupLinearFunctional.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	ColGroupLinearFunctional.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)
AColGroup	AColGroup.rightMultByMatrix(MatrixBlock right)	Right matrix multiplication with this column group.
abstract AColGroup	AColGroup.rightMultByMatrix(MatrixBlock right, IColIndex allCols)	Right matrix multiplication with this column group.
AColGroup	ADictBasedColGroup.rightMultByMatrix(MatrixBlock right, IColIndex allCols)
AColGroup	ColGroupEmpty.rightMultByMatrix(MatrixBlock right, IColIndex allCols)
AColGroup	ColGroupLinearFunctional.rightMultByMatrix(MatrixBlock right, IColIndex allCols)
AColGroup	ColGroupUncompressed.rightMultByMatrix(MatrixBlock right, IColIndex allCols)
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	ColGroupEmpty.scalarOperation(ScalarOperator op)
AColGroup	ColGroupLinearFunctional.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.shiftColIndices(int offset)	Shift all column indexes contained by an offset.
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.
abstract AColGroup	AColGroup.sliceRows(int rl, int ru)	Slice range of rows out of the column group and return a new column group only containing the row segment.
AColGroup	ColGroupConst.sliceRows(int rl, int ru)
AColGroup	ColGroupDDC.sliceRows(int rl, int ru)
AColGroup	ColGroupDDCFOR.sliceRows(int rl, int ru)
AColGroup	ColGroupEmpty.sliceRows(int rl, int ru)
AColGroup	ColGroupLinearFunctional.sliceRows(int rl, int ru)
AColGroup	ColGroupOLE.sliceRows(int rl, int ru)
AColGroup	ColGroupRLE.sliceRows(int rl, int ru)
AColGroup	ColGroupSDC.sliceRows(int rl, int ru)
AColGroup	ColGroupSDCFOR.sliceRows(int rl, int ru)
AColGroup	ColGroupSDCSingle.sliceRows(int rl, int ru)
AColGroup	ColGroupSDCSingleZeros.sliceRows(int rl, int ru)
AColGroup	ColGroupSDCZeros.sliceRows(int rl, int ru)
AColGroup	ColGroupUncompressed.sliceRows(int rl, int ru)
AColGroup	ColGroupDDC.sparsifyFOR()
static AColGroup	ColGroupDDCFOR.sparsifyFOR(ColGroupDDC g)
AColGroup	ColGroupSDC.sparsifyFOR()
static AColGroup	ColGroupSDCFOR.sparsifyFOR(ColGroupSDC g)
AColGroup	ColGroupSDC.subtractDefaultTuple()
abstract AColGroup	AColGroup.unaryOperation(UnaryOperator op)	Perform unary operation on the column group and return a new column group
AColGroup	ColGroupConst.unaryOperation(UnaryOperator op)
AColGroup	ColGroupDDC.unaryOperation(UnaryOperator op)
AColGroup	ColGroupDDCFOR.unaryOperation(UnaryOperator op)
AColGroup	ColGroupEmpty.unaryOperation(UnaryOperator op)
AColGroup	ColGroupLinearFunctional.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)	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)
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 AColGroup	AColGroup.append(AColGroup g)	Append the other column group to this column group.
AColGroup	ColGroupConst.append(AColGroup g)
AColGroup	ColGroupDDC.append(AColGroup g)
AColGroup	ColGroupDDCFOR.append(AColGroup g)
AColGroup	ColGroupEmpty.append(AColGroup g)
AColGroup	ColGroupLinearFunctional.append(AColGroup g)
AColGroup	ColGroupOLE.append(AColGroup g)
AColGroup	ColGroupRLE.append(AColGroup g)
AColGroup	ColGroupSDC.append(AColGroup g)
AColGroup	ColGroupSDCFOR.append(AColGroup g)
AColGroup	ColGroupSDCSingle.append(AColGroup g)
AColGroup	ColGroupSDCSingleZeros.append(AColGroup g)
AColGroup	ColGroupSDCZeros.append(AColGroup g)
AColGroup	ColGroupUncompressed.append(AColGroup g)
static AColGroup	AColGroup.appendN(AColGroup[] groups)	Append all column groups in the list provided together in one go allocating the output once.
AColGroup	ColGroupConst.appendNInternal(AColGroup[] g)
AColGroup	ColGroupDDC.appendNInternal(AColGroup[] g)
AColGroup	ColGroupDDCFOR.appendNInternal(AColGroup[] g)
AColGroup	ColGroupEmpty.appendNInternal(AColGroup[] g)
AColGroup	ColGroupLinearFunctional.appendNInternal(AColGroup[] g)
AColGroup	ColGroupOLE.appendNInternal(AColGroup[] g)
AColGroup	ColGroupRLE.appendNInternal(AColGroup[] g)
AColGroup	ColGroupSDC.appendNInternal(AColGroup[] g)
AColGroup	ColGroupSDCFOR.appendNInternal(AColGroup[] g)
AColGroup	ColGroupSDCSingle.appendNInternal(AColGroup[] g)
AColGroup	ColGroupSDCSingleZeros.appendNInternal(AColGroup[] g)
AColGroup	ColGroupSDCZeros.appendNInternal(AColGroup[] g)
AColGroup	ColGroupUncompressed.appendNInternal(AColGroup[] g)
static void	ColGroupUtils.copyValuesColGroupMatrixBlocks(AColGroup lhs, AColGroup rhs, MatrixBlock tmpResult, MatrixBlock result)	Copy values from tmpResult into correct positions of result (according to colIndexes in lhs and rhs)
abstract void	AColGroup.leftMultByAColGroup(AColGroup lhs, MatrixBlock result, int nRows)	Left side matrix multiplication with a column group that is transposed.
void	AMorphingMMColGroup.leftMultByAColGroup(AColGroup lhs, MatrixBlock result, int nRows)
void	APreAgg.leftMultByAColGroup(AColGroup lhs, MatrixBlock result, int nRows)
void	ColGroupConst.leftMultByAColGroup(AColGroup lhs, MatrixBlock result, int nRows)
void	ColGroupEmpty.leftMultByAColGroup(AColGroup lhs, MatrixBlock c, int nRows)
void	ColGroupLinearFunctional.leftMultByAColGroup(AColGroup lhs, MatrixBlock result, int nRows)
void	ColGroupUncompressed.leftMultByAColGroup(AColGroup lhs, MatrixBlock result, int nRows)
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	ColGroupLinearFunctional.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(Collection<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, Collection<AColGroup> colGroups)	Writes the ColGroups out to the DataOutput.

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

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

Modifier and Type	Method	Description
static IColIndex	ColIndexFactory.combine(List<AColGroup> gs)

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

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

Modifier and Type	Method	Description
AColGroup	ConstScheme.encode(MatrixBlock data)
AColGroup	ConstScheme.encode(MatrixBlock data, IColIndex columns)
AColGroup	DDCScheme.encode(MatrixBlock data)
AColGroup	DDCScheme.encode(MatrixBlock data, IColIndex columns)
AColGroup	EmptyScheme.encode(MatrixBlock data)
AColGroup	EmptyScheme.encode(MatrixBlock data, IColIndex columns)
AColGroup	ICLAScheme.encode(MatrixBlock data)	Encode the given matrix block into the scheme provided in the instance.
AColGroup	ICLAScheme.encode(MatrixBlock data, IColIndex columns)	Encode a given matrix block into the scheme provided in the instance but overwrite what columns to use.

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.