Class MatrixMultMPP

java.lang.Object
  MatrixMultMPP

public class MatrixMultMPP
extends java.lang.Object

Matrix Multiplication. sequential and parallel using MPP.

Author:

Akitoshi Yoshida, Heinz Kredel.

Field Summary

protected mpp.Communicator

mpi_comm_world

Constructor Summary

MatrixMultMPP(mpp.Communicator comm)

Method Summary

void	dotmult(double[][] C, double[][] A, double[][] B, int i, int j)
static void	main(java.lang.String[] args)
boolean	matcheck0(double[][] A)
double[][]	matgen(int n, int m)
double[][]	matgen0(int n, int m)
double[][]	matgen1(int n, int m)
void	matprint(double[][] A)
void	parmult(double[][] C, double[][] A, double[][] B)
void	seq2mult(double[][] C, double[][] A, double[][] B)
void	seqdiff(double[][] C, double[][] A, double[][] B)
void	seqmult(double[][] C, double[][] A, double[][] B)
void	vecprint(int[] V)

Methods inherited from class java.lang.Object

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

Field Detail

mpi_comm_world

protected mpp.Communicator mpi_comm_world

Constructor Detail

MatrixMultMPP

public MatrixMultMPP(mpp.Communicator comm)

Method Detail

seqmult

public void seqmult(double[][] C,
                    double[][] A,
                    double[][] B)

Parameters:

C - two-dimensional double array.

A - two-dimensional double array.

B - two-dimensional double array.

parmult

public void parmult(double[][] C,
                    double[][] A,
                    double[][] B)
             throws java.io.IOException

Parameters:

C - two-dimensional double array.

A - two-dimensional double array.

B - two-dimensional double array.

Throws:

IOException.

java.io.IOException

seqdiff

public void seqdiff(double[][] C,
                    double[][] A,
                    double[][] B)

Parameters:

C - two-dimensional double array.

A - two-dimensional double array.

B - two-dimensional double array.

dotmult

public void dotmult(double[][] C,
                    double[][] A,
                    double[][] B,
                    int i,
                    int j)

Parameters:

C - two-dimensional double array.

A - two-dimensional double array.

B - two-dimensional double array.

i - row of A.

j - column of B.

seq2mult

public void seq2mult(double[][] C,
                     double[][] A,
                     double[][] B)

Parameters:

C - two-dimensional double array.

A - two-dimensional double array.

B - two-dimensional double array.

matgen

public double[][] matgen(int n,
                         int m)

Parameters:

n - rows of result.

m - columns of result.

Returns:

A two-dimensional double array.

matgen0

public double[][] matgen0(int n,
                          int m)

Parameters:

n - rows of result.

m - columns of result.

Returns:

A two-dimensional double array.

matgen1

public double[][] matgen1(int n,
                          int m)

Parameters:

n - rows of result.

m - columns of result.

Returns:

A two-dimensional double array.

matprint

public void matprint(double[][] A)

Parameters:

A - two-dimensional double array.

vecprint

public void vecprint(int[] V)

Parameters:

V - vector to print.

matcheck0

public boolean matcheck0(double[][] A)

Parameters:

A - two dimensional double array.

Returns:

true if A is approximately zero.

main

public static void main(java.lang.String[] args)
                 throws java.io.IOException

Parameters:

args -

Throws:

java.io.IOException