Package org.apache.sysds.runtime.compress.utils

Class Summary

Class	Description
ABitmap
Bitmap	Uncompressed representation of one or more columns in bitmap format.
BitmapLossy	Uncompressed but Quantized representation of contained data.
ColumnGroupIterator
CustomHashMap	This class provides a memory-efficient base for Custom HashMaps for restricted use cases.
DblArray	Helper class used for bitmap extraction.
DblArrayIntListHashMap	This class provides a memory-efficient replacement for HashMap<DblArray,IntArrayList> for restricted use cases.
DoubleIntListHashMap	This class provides a memory-efficient replacement for HashMap<Double,IntArrayList> for restricted use cases.
IntArrayList	This class provides a memory-efficient replacement for ArrayList<Integer> for restricted use cases.
LinearAlgebraUtils	This library contains all vector primitives that are used in compressed linear algebra.

Enum Summary

Enum	Description
ABitmap.BitmapType