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

Class CLALibTSMM

java.lang.Object

org.apache.sysds.runtime.compress.lib.CLALibTSMM

public final class CLALibTSMM
extends Object

Method Summary

Modifier and Type	Method	Description
static void	addCorrectionLayer(double[] constV, double[] filteredColSum, int nRow, double[] ret)
static MatrixBlock	leftMultByTransposeSelf(CompressedMatrixBlock cmb, int k)
static MatrixBlock	leftMultByTransposeSelf(CompressedMatrixBlock cmb, MatrixBlock ret, int k)	Self left Matrix multiplication (tsmm) t(x) %*% x

Methods inherited from class java.lang.Object

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

Method Details

leftMultByTransposeSelf

public static MatrixBlock leftMultByTransposeSelf(CompressedMatrixBlock cmb,
 int k)

leftMultByTransposeSelf

public static MatrixBlock leftMultByTransposeSelf(CompressedMatrixBlock cmb,
 MatrixBlock ret,
 int k)

Self left Matrix multiplication (tsmm) t(x) %*% x

Parameters:

cmb - Compressed matrix to multiply

ret - The output matrix to put the result into

k - The parallelization degree allowed

addCorrectionLayer

public static void addCorrectionLayer(double[] constV,
 double[] filteredColSum,
 int nRow,
 double[] ret)