Uses of Class
org.apache.sysml.runtime.compress.ColGroup

Packages that use ColGroup

Package	Description
org.apache.sysml.runtime.compress
org.apache.sysml.runtime.compress.utils

Uses of ColGroup in org.apache.sysml.runtime.compress

Subclasses of ColGroup in org.apache.sysml.runtime.compress

Modifier and Type	Class and Description
class	ColGroupDDC Class to encapsulate information about a column group that is encoded with dense dictionary encoding (DDC).
class	ColGroupDDC1 Class to encapsulate information about a column group that is encoded with dense dictionary encoding (DDC) using 1 byte codes.
class	ColGroupDDC2 Class to encapsulate information about a column group that is encoded with dense dictionary encoding (DDC) using 2 byte codes.
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	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.

Fields in org.apache.sysml.runtime.compress with type parameters of type ColGroup

Modifier and Type	Field and Description
protected ArrayList<ColGroup>	CompressedMatrixBlock._colGroups

Methods in org.apache.sysml.runtime.compress that return ColGroup

Modifier and Type	Method and Description
ColGroup	ColGroupOLE.scalarOperation(org.apache.sysml.runtime.matrix.operators.ScalarOperator op)
abstract ColGroup	ColGroup.scalarOperation(org.apache.sysml.runtime.matrix.operators.ScalarOperator op) Perform the specified scalar operation directly on the compressed column group, without decompressing individual cells if possible.
ColGroup	ColGroupDDC2.scalarOperation(org.apache.sysml.runtime.matrix.operators.ScalarOperator op)
ColGroup	ColGroupUncompressed.scalarOperation(org.apache.sysml.runtime.matrix.operators.ScalarOperator op)
ColGroup	ColGroupDDC1.scalarOperation(org.apache.sysml.runtime.matrix.operators.ScalarOperator op)
ColGroup	ColGroupRLE.scalarOperation(org.apache.sysml.runtime.matrix.operators.ScalarOperator op)

Methods in org.apache.sysml.runtime.compress that return types with arguments of type ColGroup

Modifier and Type	Method and Description
ArrayList<ColGroup>	CompressedMatrixBlock.getColGroups() Obtain the column groups.

Constructor parameters in org.apache.sysml.runtime.compress with type arguments of type ColGroup

Constructor and Description
ColGroupUncompressed(List<ColGroup> groupsToDecompress) Constructor for creating temporary decompressed versions of one or more compressed column groups.

Uses of ColGroup in org.apache.sysml.runtime.compress.utils

Methods in org.apache.sysml.runtime.compress.utils that return ColGroup

Modifier and Type	Method and Description
static ColGroup	ConverterUtils.copyColGroup(ColGroup group) Copy col group instance with deep copy of column indices but shallow copy of actual contents;

Methods in org.apache.sysml.runtime.compress.utils with parameters of type ColGroup

Modifier and Type	Method and Description
static ColGroup	ConverterUtils.copyColGroup(ColGroup group) Copy col group instance with deep copy of column indices but shallow copy of actual contents;
static MatrixBlock	ConverterUtils.getUncompressedColBlock(ColGroup group)