Package org.apache.sysds.runtime.compress.lib

Class CLALibSlice

java.lang.Object

org.apache.sysds.runtime.compress.lib.CLALibSlice

public final class CLALibSlice
extends Object

Method Summary

Modifier and Type	Method	Description
static MatrixBlock	slice(CompressedMatrixBlock cmb, int rl, int ru, int cl, int cu, boolean deep)
static List<MatrixBlock>	sliceBlocks(CompressedMatrixBlock cmb, int blen, int k)	Slice blocks of compressed matrices from the compressed representation.
static CompressedMatrixBlock	sliceColumns(CompressedMatrixBlock cmb, int cl, int cu)
static MatrixBlock	sliceRowsCompressed(CompressedMatrixBlock cmb, int rl, int ru)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

sliceBlocks

public static List<MatrixBlock> sliceBlocks(CompressedMatrixBlock cmb,
 int blen,
 int k)

Slice blocks of compressed matrices from the compressed representation.

Parameters:

cmb - The input block to slice.

blen - The length of the blocks.

k - The parallelization degree used

Returns:

A list containing CompressedMatrixBlocks or MatrixBlocks

slice

public static MatrixBlock slice(CompressedMatrixBlock cmb,
 int rl,
 int ru,
 int cl,
 int cu,
 boolean deep)

sliceRowsCompressed

public static MatrixBlock sliceRowsCompressed(CompressedMatrixBlock cmb,
 int rl,
 int ru)

sliceColumns

public static CompressedMatrixBlock sliceColumns(CompressedMatrixBlock cmb,
 int cl,
 int cu)