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.lib

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 and Description
List<AColGroup>	CompressedMatrixBlock.getColGroups()

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

Modifier and Type	Method and 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 and Description
void	CompressedMatrixBlock.allocateColGroupList(List<AColGroup> colGroups)

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

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

Modifier and Type	Class and Description
class	ColGroupCompressed Base class for column groups encoded Encoded in a compressed manner.
class	ColGroupConst
class	ColGroupDDC Class to encapsulate information about a column group that is encoded with dense dictionary encoding (DDC).
class	ColGroupEmpty
class	ColGroupOffset Base class for column groups encoded with various types of bitmap encoding.
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	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.
class	ColGroupValue Base class for column groups encoded with value dictionary.

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

Modifier and Type	Method and Description
AColGroup	ColGroupSDCSingleZeros.binaryRowOp(BinaryOperator op, double[] v, boolean sparseSafe, boolean left)
AColGroup	ColGroupUncompressed.binaryRowOp(BinaryOperator op, double[] v, boolean sparseSafe, boolean left)
AColGroup	ColGroupSDCZeros.binaryRowOp(BinaryOperator op, double[] v, boolean sparseSafe, boolean left)
AColGroup	ColGroupSDCSingle.binaryRowOp(BinaryOperator op, double[] v, boolean sparseSafe, boolean left)
AColGroup	ColGroupEmpty.binaryRowOp(BinaryOperator op, double[] v, boolean sparseSafe, boolean left)
AColGroup	ColGroupDDC.binaryRowOp(BinaryOperator op, double[] v, boolean sparseSafe, boolean left)
AColGroup	ColGroupConst.binaryRowOp(BinaryOperator op, double[] v, boolean sparseSafe, boolean left)
AColGroup	ColGroupSDC.binaryRowOp(BinaryOperator op, double[] v, boolean sparseSafe, boolean left)
abstract AColGroup	AColGroup.binaryRowOp(BinaryOperator op, double[] v, boolean sparseSafe, boolean left) Perform a binary row operation.
AColGroup	ColGroupOLE.binaryRowOp(BinaryOperator op, double[] v, boolean sparseSafe, boolean left)
AColGroup	ColGroupRLE.binaryRowOp(BinaryOperator op, double[] v, boolean sparseSafe, boolean left)
static AColGroup	ColGroupFactory.compress(int[] colIndexes, int rlen, ABitmap ubm, AColGroup.CompressionType compType, CompressionSettings cs, MatrixBlock rawMatrixBlock, double tupleSparsity) Method for compressing an ColGroup.
AColGroup	ColGroupUncompressed.copy()
AColGroup	ColGroupEmpty.copy()
abstract AColGroup	AColGroup.copy() Get a copy of this column group.
AColGroup	ColGroupValue.copyAndSet(ADictionary newDictionary)
AColGroup	ColGroupValue.copyAndSet(double[] newDictionary)
AColGroup	ColGroupValue.copyAndSet(int[] colIndexes, ADictionary newDictionary)
AColGroup	ColGroupValue.copyAndSet(int[] colIndexes, double[] newDictionary)
static AColGroup	ColGroupFactory.genColGroupConst(int numRows, int numCols, double value)
static AColGroup	ColGroupFactory.getColGroupConst(int numRows, int[] cols, double value)
AColGroup	ColGroupValue.replace(double pattern, double replace)
AColGroup	ColGroupUncompressed.replace(double pattern, double replace)
AColGroup	ColGroupEmpty.replace(double pattern, double replace)
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	ColGroupValue.rightMultByMatrix(MatrixBlock right)
AColGroup	ColGroupUncompressed.rightMultByMatrix(MatrixBlock right)
AColGroup	ColGroupEmpty.rightMultByMatrix(MatrixBlock right)
abstract AColGroup	AColGroup.rightMultByMatrix(MatrixBlock right) Right matrix multiplication with this column group.
AColGroup	ColGroupSDCSingleZeros.scalarOperation(ScalarOperator op)
AColGroup	ColGroupUncompressed.scalarOperation(ScalarOperator op)
AColGroup	ColGroupSDCZeros.scalarOperation(ScalarOperator op)
AColGroup	ColGroupSDCSingle.scalarOperation(ScalarOperator op)
AColGroup	ColGroupEmpty.scalarOperation(ScalarOperator op)
AColGroup	ColGroupDDC.scalarOperation(ScalarOperator op)
AColGroup	ColGroupConst.scalarOperation(ScalarOperator op)
AColGroup	ColGroupSDC.scalarOperation(ScalarOperator op)
abstract AColGroup	AColGroup.scalarOperation(ScalarOperator op) Perform the specified scalar operation directly on the compressed column group, without decompressing individual cells if possible.
AColGroup	ColGroupOLE.scalarOperation(ScalarOperator op)
AColGroup	ColGroupRLE.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.

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

Modifier and Type	Method and Description
static List<AColGroup>	ColGroupFactory.compressColGroups(MatrixBlock in, CompressedSizeInfo csi, CompressionSettings compSettings, int k) The actual compression method, that handles the logic of compressing multiple columns together.
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 and Description
void	ColGroupValue.leftMultByAColGroup(AColGroup lhs, MatrixBlock result)
void	ColGroupUncompressed.leftMultByAColGroup(AColGroup lhs, MatrixBlock result)
void	ColGroupEmpty.leftMultByAColGroup(AColGroup lhs, MatrixBlock c)
abstract void	AColGroup.leftMultByAColGroup(AColGroup lhs, MatrixBlock result) Left side matrix multiplication with a column group that is transposed.

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

Modifier and Type	Method and Description
static void	AColGroup.decompressColumnToBlockUnSafe(MatrixBlock target, int rl, int ru, List<AColGroup> colGroups) Decompress part of the col groups into the target matrix block, this decompression maintain the number of non zeros.
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.lib

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

Modifier and Type	Method and Description
static void	CLALibLeftMultBy.leftMultByTransposeSelf(List<AColGroup> groups, MatrixBlock result, int k, int numColumns, org.apache.commons.lang3.tuple.Pair<Integer,int[]> v, boolean overlapping)