# Uses of Package
org.apache.sysds.runtime.compress.colgroup

Packages that use org.apache.sysds.runtime.compress.colgroup
org.apache.sysds.runtime.compress
org.apache.sysds.runtime.compress.colgroup
org.apache.sysds.runtime.compress.cost
org.apache.sysds.runtime.compress.estim

Classes in org.apache.sysds.runtime.compress.colgroup used by org.apache.sysds.runtime.compress
AColGroup: Abstract Class that is the lowest class type for the Compression framework.
AColGroup.CompressionType: Public super types of compression ColGroups supported

Classes in org.apache.sysds.runtime.compress.colgroup used by org.apache.sysds.runtime.compress.colgroup
AColGroup: Abstract Class that is the lowest class type for the Compression framework.
AColGroup.CompressionType: Public super types of compression ColGroups supported
AColGroupCompressed: Base class for column groups encoded Encoded in a compressed manner.
AColGroupOffset: Base class for column groups encoded with various types of bitmap encoding.
AColGroupValue: Base class for column groups encoded with value dictionary.
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.
APreAgg: Abstract class for all the column groups that use preAggregation for Left matrix multiplications.
ASDCZero
ColGroupDDC: Class to encapsulate information about a column group that is encoded with dense dictionary encoding (DDC).
ColGroupEmpty
ColGroupSDCSingleZeros: Column group that sparsely encodes the dictionary values.
ColGroupSDCZeros: Column group that sparsely encodes the dictionary values.

Classes in org.apache.sysds.runtime.compress.colgroup used by org.apache.sysds.runtime.compress.cost
AColGroup: Abstract Class that is the lowest class type for the Compression framework.

Classes in org.apache.sysds.runtime.compress.colgroup used by org.apache.sysds.runtime.compress.estim
AColGroup.CompressionType: Public super types of compression ColGroups supported