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|
/* test_solveupd.c */
#include "../SubMtx.h"
#include "../../Drand.h"
#include "../../timings.h"
/*--------------------------------------------------------------------*/
int
main ( int argc, char *argv[] )
/*
----------------------------------
test the SubMtx_solveupd() method.
created -- 98may02, cca
----------------------------------
*/
{
SubMtx *mtxA, *mtxX, *mtxY ;
double ops, t1, t2 ;
double *entX, *entY ;
Drand *drand ;
FILE *msgFile ;
int inc1, inc2, irowA, jcolX, mode, msglvl, ncolA, nentA, nrowA,
ncolX, nrowX, ncolY, nrowY, seed, type ;
int *colindA, *ivec, *rowindA ;
if ( argc != 12 ) {
fprintf(stdout,
"\n\n usage : %s msglvl msgFile type mode"
"\n nrowY ncolY nrowA ncolA nentA nrowX seed"
"\n msglvl -- message level"
"\n msgFile -- message file"
"\n type -- type of matrix A"
"\n 1 -- real"
"\n 2 -- complex"
"\n mode -- mode of matrix A"
"\n 0 -- dense stored by rows"
"\n 1 -- dense stored by columns"
"\n 2 -- sparse stored by rows"
"\n 3 -- sparse stored by columns"
"\n nrowY -- # of rows in vector Y"
"\n ncolY -- # of columns in vector Y"
"\n nrowA -- # of rows in matrix A"
"\n ncolA -- # of columns in matrix A"
"\n nentA -- # of entries in matrix A"
"\n nrowX -- # of rows in matrix X"
"\n seed -- random number seed"
"\n", argv[0]) ;
return(0) ;
}
if ( (msglvl = atoi(argv[1])) < 0 ) {
fprintf(stderr, "\n message level must be positive\n") ;
exit(-1) ;
}
if ( strcmp(argv[2], "stdout") == 0 ) {
msgFile = stdout ;
} else if ( (msgFile = fopen(argv[2], "a")) == NULL ) {
fprintf(stderr, "\n unable to open file %s\n", argv[2]) ;
return(-1) ;
}
type = atoi(argv[3]) ;
mode = atoi(argv[4]) ;
nrowY = atoi(argv[5]) ;
ncolY = atoi(argv[6]) ;
nrowA = atoi(argv[7]) ;
ncolA = atoi(argv[8]) ;
nentA = atoi(argv[9]) ;
nrowX = atoi(argv[10]) ;
seed = atoi(argv[11]) ;
fprintf(msgFile, "\n %% %s:"
"\n %% msglvl = %d"
"\n %% msgFile = %s"
"\n %% type = %d"
"\n %% mode = %d"
"\n %% nrowY = %d"
"\n %% ncolY = %d"
"\n %% nrowA = %d"
"\n %% ncolA = %d"
"\n %% nentA = %d"
"\n %% nrowX = %d"
"\n %% seed = %d",
argv[0], msglvl, argv[2], type, mode, nrowY, ncolY,
nrowA, ncolA, nentA, nrowX, seed) ;
ncolX = ncolY ;
/*
-----------------------------
check for errors in the input
-----------------------------
*/
if ( nrowA <= 0 || nrowA > nrowY
|| ncolA <= 0 || ncolA > nrowX
|| nentA > nrowA*ncolA
|| nrowX <= 0 ) {
fprintf(stderr, "\n invalid input\n") ;
exit(-1) ;
}
switch ( type ) {
case SPOOLES_REAL :
case SPOOLES_COMPLEX :
break ;
default :
fprintf(stderr, "\n invalid type %d\n", type) ;
exit(-1) ;
}
switch ( mode ) {
case SUBMTX_DENSE_ROWS :
case SUBMTX_DENSE_COLUMNS :
case SUBMTX_SPARSE_ROWS :
case SUBMTX_SPARSE_COLUMNS :
break ;
default :
fprintf(stderr, "\n invalid mode %d\n", mode) ;
exit(-1) ;
}
/*
--------------------------------------
initialize the random number generator
--------------------------------------
*/
drand = Drand_new() ;
Drand_init(drand) ;
Drand_setSeed(drand, seed) ;
Drand_setNormal(drand, 0.0, 1.0) ;
/*
------------------------------
initialize the X SubMtx object
------------------------------
*/
MARKTIME(t1) ;
mtxX = SubMtx_new() ;
SubMtx_init(mtxX, type, SUBMTX_DENSE_COLUMNS, 0, 0,
nrowX, ncolX, nrowX*ncolX) ;
SubMtx_denseInfo(mtxX, &nrowX, &ncolX, &inc1, &inc2, &entX) ;
if ( SUBMTX_IS_REAL(mtxX) ) {
Drand_fillDvector(drand, nrowX*ncolX, entX) ;
} else if ( SUBMTX_IS_COMPLEX(mtxX) ) {
Drand_fillDvector(drand, 2*nrowX*ncolX, entX) ;
}
MARKTIME(t2) ;
fprintf(msgFile, "\n %% CPU : %.3f to initialize X SubMtx object",
t2 - t1) ;
/*
------------------------------
initialize the Y SubMtx object
------------------------------
*/
MARKTIME(t1) ;
mtxY = SubMtx_new() ;
SubMtx_init(mtxY, type, SUBMTX_DENSE_COLUMNS, 0, 0,
nrowY, ncolY, nrowY*ncolY) ;
SubMtx_denseInfo(mtxY, &nrowY, &ncolY, &inc1, &inc2, &entY) ;
if ( SUBMTX_IS_REAL(mtxX) ) {
Drand_fillDvector(drand, nrowY*ncolY, entY) ;
DVzero(nrowY*ncolY, entY) ;
} else if ( SUBMTX_IS_COMPLEX(mtxX) ) {
Drand_fillDvector(drand, 2*nrowY*ncolY, entY) ;
DVzero(2*nrowY*ncolY, entY) ;
}
MARKTIME(t2) ;
fprintf(msgFile, "\n %% CPU : %.3f to initialize Y SubMtx object",
t2 - t1) ;
/*
-------------------------------------
initialize the A matrix SubMtx object
-------------------------------------
*/
mtxA = SubMtx_new() ;
SubMtx_initRandom(mtxA, type, mode, 0, 0, nrowA, ncolA, nentA, seed) ;
/*
-------------------------
load the row indices of A
-------------------------
*/
SubMtx_rowIndices(mtxA, &nrowA, &rowindA) ;
ivec = IVinit(nrowY, -1) ;
IVramp(nrowY, ivec, 0, 1) ;
IVshuffle(nrowY, ivec, seed+1) ;
IVcopy(nrowA, rowindA, ivec) ;
IVqsortUp(nrowA, rowindA) ;
IVfree(ivec) ;
if ( msglvl > 3 ) {
fprintf(msgFile, "\n %% row indices of A") ;
IVfprintf(msgFile, nrowA, rowindA) ;
fflush(msgFile) ;
}
/*
----------------------------
load the column indices of A
----------------------------
*/
SubMtx_columnIndices(mtxA, &ncolA, &colindA) ;
ivec = IVinit(nrowX, -1) ;
IVramp(nrowX, ivec, 0, 1) ;
IVshuffle(nrowX, ivec, seed+2) ;
IVcopy(ncolA, colindA, ivec) ;
IVqsortUp(ncolA, colindA) ;
IVfree(ivec) ;
if ( msglvl > 3 ) {
fprintf(msgFile, "\n %% column indices of A") ;
IVfprintf(msgFile, ncolA, colindA) ;
fflush(msgFile) ;
}
/*
----------------------------------
compute the matrix-matrix multiply
----------------------------------
*/
if ( type == SPOOLES_REAL ) {
double *colX, *pYij, *rowA ;
double sum ;
DV *colDV, *rowDV ;
int ii ;
ops = 2*nrowA*ncolA*ncolX ;
colDV = DV_new() ;
DV_init(colDV, nrowX, NULL) ;
colX = DV_entries(colDV) ;
rowDV = DV_new() ;
DV_init(rowDV, ncolA, NULL) ;
rowA = DV_entries(rowDV) ;
for ( jcolX = 0 ; jcolX < ncolX ; jcolX++ ) {
SubMtx_fillColumnDV(mtxX, jcolX, colDV) ;
for ( irowA = 0 ; irowA < nrowA ; irowA++ ) {
SubMtx_fillRowDV(mtxA, irowA, rowDV) ;
if ( ncolA == nrowX ) {
for ( ii = 0, sum = 0.0 ; ii < ncolA ; ii++ ) {
sum += rowA[ii] * colX[ii] ;
}
} else {
for ( ii = 0, sum = 0.0 ; ii < ncolA ; ii++ ) {
sum += rowA[ii] * colX[colindA[ii]] ;
}
}
if ( nrowA == nrowY ) {
SubMtx_locationOfRealEntry(mtxY, irowA, jcolX, &pYij) ;
} else {
SubMtx_locationOfRealEntry(mtxY, rowindA[irowA], jcolX,
&pYij) ;
}
*pYij = sum ;
}
}
DV_free(colDV) ;
DV_free(rowDV) ;
} else if ( type == SPOOLES_COMPLEX ) {
double *colX, *pYIij, *pYRij, *rowA ;
double idot, rdot ;
ZV *colZV, *rowZV ;
ops = 8*nrowA*ncolA*ncolX ;
colZV = ZV_new() ;
ZV_init(colZV, nrowX, NULL) ;
colX = ZV_entries(colZV) ;
rowZV = ZV_new() ;
ZV_init(rowZV, ncolA, NULL) ;
rowA = ZV_entries(rowZV) ;
for ( jcolX = 0 ; jcolX < ncolX ; jcolX++ ) {
SubMtx_fillColumnZV(mtxX, jcolX, colZV) ;
for ( irowA = 0 ; irowA < nrowA ; irowA++ ) {
SubMtx_fillRowZV(mtxA, irowA, rowZV) ;
if ( ncolA == nrowX ) {
ZVdotU(ncolA, colX, rowA, &rdot, &idot) ;
} else {
ZVdotiU(ncolA, colX, colindA, rowA, &rdot, &idot) ;
}
if ( nrowA == nrowY ) {
SubMtx_locationOfComplexEntry(mtxY,
irowA, jcolX, &pYRij, &pYIij) ;
} else {
SubMtx_locationOfComplexEntry(mtxY, rowindA[irowA], jcolX,
&pYRij, &pYIij) ;
}
*pYRij = rdot ;
*pYIij = idot ;
}
}
ZV_free(colZV) ;
ZV_free(rowZV) ;
}
MARKTIME(t2) ;
fprintf(msgFile, "\n %% CPU : %.3f to compute m-m, %.3f mflops",
t2 - t1, ops*1.e-6/(t2 - t1)) ;
if ( msglvl > 1 ) {
fprintf(msgFile, "\n\n %% Z SubMtx object") ;
fprintf(msgFile, "\n Z = zeros(%d,%d) ;", nrowY, ncolY) ;
SubMtx_writeForMatlab(mtxY, "Z", msgFile) ;
fflush(msgFile) ;
}
/*
----------------------
print out the matrices
----------------------
*/
if ( msglvl > 1 ) {
fprintf(msgFile, "\n\n %% Y SubMtx object") ;
fprintf(msgFile, "\n Y = zeros(%d,%d) ;", nrowY, ncolY) ;
SubMtx_writeForMatlab(mtxY, "Y", msgFile) ;
fprintf(msgFile, "\n\n %% A SubMtx object") ;
fprintf(msgFile, "\n A = zeros(%d,%d) ;", nrowY, nrowX) ;
SubMtx_writeForMatlab(mtxA, "A", msgFile) ;
fprintf(msgFile, "\n\n %% X SubMtx object") ;
fprintf(msgFile, "\n X = zeros(%d,%d) ;", nrowX, ncolY) ;
SubMtx_writeForMatlab(mtxX, "X", msgFile) ;
fflush(msgFile) ;
}
/*
-----------------
check with matlab
-----------------
*/
if ( msglvl > 1 ) {
fprintf(msgFile,
"\n\n emtx = abs(Y - A*X) ;"
"\n\n maxabs = max(max(emtx)) ") ;
fflush(msgFile) ;
}
/*
-------------------------------
compute the update Y := Y - A*X
(Y should now be zero)
-------------------------------
*/
SubMtx_solveupd(mtxY, mtxA, mtxX) ;
/*
----------------------
print out the Y matrix
----------------------
*/
if ( msglvl > 1 ) {
fprintf(msgFile, "\n\n %% Z SubMtx object") ;
fprintf(msgFile, "\n Z = zeros(%d,%d) ;", nrowY, ncolY) ;
SubMtx_writeForMatlab(mtxY, "Z", msgFile) ;
fflush(msgFile) ;
}
fprintf(msgFile, "\n RES %4d %4d %4d %4d %4d %4d %4d %4d %12.4e",
type, mode, nrowY, ncolY, nrowA, ncolA, nrowX, ncolX,
SubMtx_maxabs(mtxY)) ;
if ( msglvl > 1 ) {
fprintf(msgFile,
"\n\n emtx = abs(Z) ;"
"\n\n maxerr = max(max(emtx)) ") ;
fflush(msgFile) ;
}
/*
------------------------
free the working storage
------------------------
*/
SubMtx_free(mtxA) ;
SubMtx_free(mtxX) ;
SubMtx_free(mtxY) ;
Drand_free(drand) ;
fprintf(msgFile, "\n") ;
return(1) ; }
/*--------------------------------------------------------------------*/
|
