void
dgather(int ictxt, int n, int numc, int nb, double *A, double *A_d, int *descAd){
int RootNodeic, ione=1, izero=0, isRootNode=0, nru, info;
int nprow, npcol, myrow, mycol, descA[9], itemp;
int i,k;
sl_init_(&RootNodeic, &ione, &ione);
Cblacs_gridinfo(ictxt, &nprow,&npcol, &myrow, &mycol);
if (myrow==0 && mycol ==0){ isRootNode = 1;}
if(isRootNode){
nru = numroc_(&n, &n, &myrow, &izero, &nprow);
itemp = max(1,nru);
descinit_(descA, &n, &numc, &n, &n, &izero, &izero, &RootNodeic, &itemp, &info );
}
else{
k=0;
for(i=0;i<9;i++){
descA[k]=0;
k++;
}
descA[1]=-1;
}
pdgemr2d_(&n,&numc,A_d,&ione, &ione, descAd, A, &ione, &ione, descA, &ictxt );
if (isRootNode){
Cblacs_gridexit(RootNodeic);
}
}
F_VOID_FUNC blacs_exit_(int *NotDone)
#endif
{
void BI_UpdateBuffs(BLACBUFF *);
BLACBUFF *BI_GetBuff(int);
int BI_BuffIsFree(BLACBUFF *, int);
BLACBUFF *bp;
extern BLACBUFF *BI_ReadyB, *BI_ActiveQ, BI_AuxBuff;
int i;
extern int BI_MaxNCtxt, BI_Np;
extern BLACSCONTEXT **BI_MyContxts;
/*
* Destroy all contexts
*/
for (i=0; i < BI_MaxNCtxt; i++) if (BI_MyContxts[i]) Cblacs_gridexit(i);
free(BI_MyContxts);
if (BI_ReadyB) free(BI_ReadyB);
while (BI_ActiveQ != NULL)
{
bp = BI_ActiveQ;
BI_BuffIsFree(bp, 1); /* wait for async sends to complete */
BI_ActiveQ = bp->next;
free(bp);
}
free (BI_AuxBuff.Aops);
/*
* Reset parameters to initial values
*/
BI_MaxNCtxt = 0;
BI_MyContxts = NULL;
BI_Np = -1;
if (!Mpval(NotDone))
{
MPI_Finalize();
}
BI_ReadyB = NULL;
}
/* Test program
* created 23/09/2014
* author Alex Bombrun
*
* icc -O1 -o eigen.exe lapackReadStore.c mpiutil.c normals.c matrixBlockStore.c -mkl
* ./eigen.exe 4 4
*
*/
int main(int argc, char **argv) {
FILE* store;
FILE* scaStore;
int N , M;
int i, j;
int n_blocks;
int scalapack_size;
int NB, MB;
int i_block, j_block;
int dim[4];
double * mat; // local matrix block use for reading
int t, t_block;
const char* profileG_file_name= "./data/NormalsG/profile.txt";
const char* store_location = "./data/ReducedNormals";
const char* scaStore_location ="./data/DiagCholeskyReducedNormals";
int mp; // number of rows in the processor grid
int mla; // number of rows in the local array
int mb; // number of rows in a block
int np; // number of columns in the processor grid
int nla; // number of columns in the local array
int nb; // number of columns in a block
int mype,npe; // rank and total number of process
int idescal[9]; // matrix descriptors
double *la; // matrix values: al is the local array
int idescbl[9];
double *lb;
double normb;
int idescxl[9];
double *lx;
double normx;
int idesczl[9]; // matrix descriptors
double *lz; // matrix values: al is the local array
double *w;
int ierr; // error output
int mp_ret, np_ret, myrow, mycol; // to store grid info
int zero=0; // value used for the descriptor initialization
int one=1; // value used for the descriptor initialization
int m,n; // matrix A dimensions
double norm, cond;
double *work = NULL;
double * work2 = NULL;
int *iwork = NULL;
int lwork, liwork;
float ll,mm,cr,cc;
int ii,jj,pr,pc,h,g; // ii,jj coordinates of local array element
int rsrc=0,csrc=0; // assume that 0,0 element should be stored in the 0,0 process
int n_b = 1;
int index;
int icon; // scalapack cblacs context
char normJob, jobz, uplo, trans, diag;
double MPIt1, MPIt2, MPIelapsed;
jobz= 'N'; uplo='U';
Cblacs_pinfo( &mype, &npe );
if (argc == 3) {
//printf("%s %s %s\n", argv[0], argv[1], argv[2]);
n_blocks= (int) strtol(argv[1], NULL, 10);
scalapack_size= (int) strtol(argv[2], NULL, 10);
} else {
printf("Usage: expect 2 integers \n");
printf(" 1 : the number of diagonal blocks \n");
printf(" 2 : scalapack number to define block size (assume n is divisible by sqrt(p) and that n/sqrt(p) is divisible by this number)\n");
exit( -1);
}
printf("%d/%d: read store\n",mype,npe);
N = getNumberOfLine(profileG_file_name); // the dimension of the matrix;
M = N; // square matrix
m=M; //mla*mp;
n=N; //nla*np;
np = isqrt(npe); // assume that the number of process is a square
mp = np; // square grid
mla = m/mp; // assume that the matrix dimension if a multiple of the process grid dimension
nla = n/np;
mb = mla/scalapack_size; // assume that the dimension of the matrix is a multiple of the number of the number of diagonal blocks
nb = nla/scalapack_size;
// init CBLACS
Cblacs_get( -1, 0, &icon );
Cblacs_gridinit( &icon,"c", mp, np );
Cblacs_gridinfo( icon, &mp_ret, &np_ret, &myrow, &mycol);
// allocate local matrix
la=malloc(sizeof(double)*mla*nla);
printf("%d/%d: full matrix (%d,%d), local matrix (%d,%d), processor grid (%d,%d), block (%d,%d) \n", mype, npe, m, n, mla, nla, np, mp, mb, nb);
// set identity matrix
for(i = 0;i<M;i++){
for(j = i;j<i+1;j++){
cr = (float)( i/mb );
h = rsrc+(int)(cr);
pr = h%np;
cc = (float)( j/mb );
g = csrc+(int)(cc);
pc = g%mp;
// check if process should get this element
if (myrow == pr && mycol==pc){
// ii = x + l*mb
// jj = y + m*nb
ll = (float)( ( i/(np*mb) ) ); // thinks seems to be mixed up does not matter as long as the matrix, the block and the grid is symmetric
mm = (float)( ( j/(mp*nb) ) );
ii = i%mb + (int)(ll)*mb;
jj = j%nb + (int)(mm)*nb;
index=jj*mla+ii; // seems to be the transpose !?
//if(index<0) printf("%d/%d: negative index (%d,%d) \n",mype,npe,i,j);
//if(index>=mla*nla) printf("%d/%d: too large index (%d,%d) \n",mype,npe,i,j);
la[index] = 1;
}
}
}
/*
for(i_block=0;i_block<n_blocks;i_block++){
printf("%d/%d: process store block %d \n", mype, npe, i_block);
readStore(&store,i_block,store_location);
t_block = 0;
while(readNextBlockDimension(dim,store)!=-1) { // loop B over all block tasks
j_block = mpi_get_diag_block_id(i_block, t_block, n_blocks);
mat = malloc((dim[1]-dim[0])*(dim[3]-dim[2]) * sizeof(double));
readNextBlock(dim[0],dim[1],dim[2],dim[3],mat,store);
if (dim[0]==dim[2]){ // process only the diagonal blocks
// printf("%d/%d: read block (%d,%d) with global indices (%d,%d,%d,%d) \n",mype, npe, i_block,j_block,dim[0],dim[1],dim[2],dim[3]);
NB = dim[1]-dim[0];
MB = dim[3]-dim[2];
for(i = dim[0];i<dim[1];i++){
for(j = dim[2];j<dim[3];j++){
//matA[i*M+j] = mat[(i-dim[0])*MB+(j-dim[2])];
// finding out which pe gets this i,j element
cr = (float)( i/mb );
h = rsrc+(int)(cr);
pr = h%np;
cc = (float)( j/mb );
g = csrc+(int)(cc);
pc = g%mp;
// check if process should get this element
if (myrow == pr && mycol==pc){
// ii = x + l*mb
// jj = y + m*nb
ll = (float)( ( i/(np*mb) ) ); // thinks seems to be mixed up does not matter as long as the matrix, the block and the grid is symmetric
mm = (float)( ( j/(mp*nb) ) );
ii = i%mb + (int)(ll)*mb;
jj = j%nb + (int)(mm)*nb;
index=jj*mla+ii; // seems to be the transpose !?
//if(index<0) printf("%d/%d: negative index (%d,%d) \n",mype,npe,i,j);
//if(index>=mla*nla) printf("%d/%d: too large index (%d,%d) \n",mype,npe,i,j);
la[index] = mat[(i-dim[0])*MB+(j-dim[2])];
}
}
}
// transpose
if(j_block != i_block){
for(i = dim[0];i<dim[1];i++){
for(j = dim[2];j<dim[3];j++){
//matA[j*M+i] = mat[(i-dim[0])*MB+(j-dim[2])];
// finding out which pe gets this j,i element
cr = (float)( j/mb );
h = rsrc+(int)(cr);
pr = h%np;
cc = (float)( i/mb );
g = csrc+(int)(cc);
pc = g%mp;
// check if process should get this element
if (myrow == pr && mycol==pc){
// ii = x + l*mb
// jj = y + m*nb
ll = (float)( ( j/(np*mb) ) ); // thinks seems to be mixed up does not matter as long as the matrix, the block and the grid is symmetric
mm = (float)( ( i/(mp*nb) ) );
ii = j%mb + (int)(ll)*mb;
jj = i%nb + (int)(mm)*nb;
index=jj*mla+ii; // seems to be the transpose !?
//if(index<0) printf("%d/%d: negative index (%d,%d) \n",mype,npe,i,j);
//if(index>=mla*nla) printf("%d/%d: too large index (%d,%d) \n",mype,npe,i,j);
la[index] = mat[(i-dim[0])*MB+(j-dim[2])];
}
}
}
}
}
free(mat);
t_block++;
}
closeStore(store);
}
*/
printf("%d/%d: finished scaterring the matrix \n",mype,npe);
printf("%d/%d: start computing \n",mype,npe);
// set the matrix descriptor
ierr=0;
descinit_(idescal, &m, &n , &mb, &nb , &zero, &zero, &icon, &mla, &ierr); // processor grip id start at 0
if (mype==0) saveMatrixDescriptor(idescal, scaStore_location);
ierr=0;
descinit_(idescbl, &m, &one , &mb, &nb , &zero, &zero, &icon, &nla, &ierr); // processor grip id start at 0
lb = calloc(sizeof(double),mla);
ierr=0;
// set x
descinit_(idescxl, &n, &one , &mb, &nb , &zero, &zero, &icon, &nla, &ierr); // processor grip id start at 0
lx = calloc(sizeof(double),mla);
for(i=0;i<mla;i++){
lx[i] = 1.0/m;
}
pddot_(&n,&normx,lx,&one,&one,idescxl,&one,lx,&one,&one,idescxl,&one); // normx <- x'x
if (mype==0) printf("%d/%d: normx2 %E \n",mype,npe,normx);
ierr=0;
// set b
double alpha =1.0;
double beta =0.0;
trans = 'N';
pdgemv_(&trans,&m,&n,&alpha,la,&one,&one,idescal,lx,&one,&one,idescxl,&one,&beta,lb,&one,&one,idescbl,&one); // b <- A x
pddot_(&n,&normb,lb,&one,&one,idescbl,&one,lb,&one,&one,idescbl,&one); // norm <- b'b
if (mype==0) printf("%d/%d: normb2 %E \n",mype,npe,normb);
ierr = 0;
// compute norm 1 of the reduced normal matrix
/* DO NOT WORK
lwork = 2*mla+2*nla;
work = malloc(sizeof(double)*lwork);
normJob = '1';
norm = pdlansy_(&normJob, &uplo, &n, la, &one, &one, idescal, work); // matrix index start at one
printf("%d/%d: norm %f \n",mype,npe,norm);
free(work);
*/
ierr = 0;
// compute the cholesky decomposition
printf("%d/%d: start computing cholesky factor\n",mype,npe);
pdpotrf_(&uplo,&n,la,&one,&one,idescal,&ierr);
printf("%d/%d: finish computing cholesky factor\n",mype,npe);
openScalapackStore(&scaStore,myrow,mycol,scaStore_location);
saveLocalMatrix(la,nla,mla,scaStore);
double test=0.0;
for(i=0;i<nla*mla;i++){
test += la[i]*la[i];
}
printf("%d/%d: finished computing cholesky, test=%f \n",mype,npe,test);
ierr =0;
// assume x and b set
// assume cholesky decomposition
// compute the soluation A x = b
diag = 'N';
printf("%d/%d: start solving\n",mype,npe);
//pdpptrs_(&uplo, &trans , &diag , &n , &one , la , &one , &one , idescal , lb , &one , &one , idescbl , &ierr); // solve triangular system
//pdtrtrs (&uplo, &trans , &diag , &n , &n , la , &one , &one , idescal , lb , &one , &one , idescbl , &ierr);
pdpotrs_(&uplo, &n , &one , la , &one , &one , idescal , lb , &one , &one , idescbl , &ierr); // b<- A-1 b
alpha = -1.0;
normb=0;
pdaxpy_(&n,&alpha,lx,&one,&one,idescxl,&one,lb,&one,&one,idescbl,&one); // b<-b-x
pddot_(&n,&normb,lb,&one,&one,idescbl,&one,lb,&one,&one,idescbl,&one); // norm <- b'b
if (mype==0) printf("%d/%d: finish solving, norm2(sol-true) %E \n",mype,npe,normb);
ierr = 0;
/*
// compute the eigen values
jobz= 'N'; uplo='U'; // with N z is ignored
descinit_(idesczl, &m, &n , &mb, &nb , &zero, &zero, &icon, &mla, &ierr);
lz = malloc(sizeof(double)*mla*nla);
w = malloc(sizeof(double)*m);
lwork = -1;
work = malloc(sizeof(double)*2);
pdsyev_( &jobz, &uplo, &n, la, &one, &one, idescal, w, lz, &one, &one, idesczl, work, &lwork, &ierr); // only compute lwork
//pdsyev_( &jobz, &uplo, &n, A, &ione, &ione, descA, W, Z, &ione, &ione, descZ, work, &lwork, &info );
lwork= (int) work[0];
free(work);
work = (double *)calloc(lwork,sizeof(double)) ;
//MPIt1 = MPI_Wtime();
pdsyev_( &jobz, &uplo, &n, la, &one, &one, idescal, w, lz, &one, &one, idesczl, work, &lwork, &ierr); // compute the eigen values
//MPIt2 = MPI_Wtime();
//MPIelapsed=MPIt2-MPIt1;
if (mype == 0) {
saveMatrix(n,w,"eigenvalues.txt");
//printf("%d/%d: finished job in %8.2fs\n",mype,npe,MPIelapsed); // not working
}
*/
ierr = 0;
// compute the conditioner number assume that the norm and the cholesky decomposition have been computed
/* DO NOT WORK
lwork = 2*mla+3*nla;
printf("%d/%d: lwork=%d @%p\n",mype,npe,lwork,&lwork);
work2 = malloc(sizeof(double)*lwork);
liwork = 2*mla+3*nla;
iwork = malloc(sizeof(int)*liwork);
pdpocon_(&uplo,&n,la,&one,&one,idescal,&norm,&cond,work2,&lwork,iwork,&liwork,&ierr);
printf("%d/%d: condition number %f \n",mype,npe,cond);
*/
free(la);
Cblacs_gridexit(icon);
Cblacs_exit( 0 );
return 0;
}
SEXP R_blacs_gridexit(SEXP CONT)
{
Cblacs_gridexit(INT(CONT));
return R_NilValue;
}
void
ddistr(int ictxt, int n, int numc, int nb, double *A , double *A_d, int *descAd ){
int RootNodeic, ione=1, izero=0, isRootNode=0, nru, info;
int nprow, npcol, myrow, mycol,descA[9], itemp;
int i,k;
/*
#ifdef NOUNDERLAPACK
sl_init__(&RootNodeic,&ione, &ione);
#else
sl_init__(&RootNodeic,&ione, &ione);
#endif
*/
sl_init_(&RootNodeic,&ione, &ione);
Cblacs_gridinfo(ictxt, &nprow, &npcol, &myrow, &mycol);
//printf("nprow=%d, npcol=%d, myrow=%d, mycol=%d\n",nprow,npcol,myrow,mycol);
//printf("nb=%d\n",nb);
if (myrow==0 && mycol==0) { isRootNode=1;}
if (isRootNode){
//printf("root entro aca...\n");
nru = numroc_(&n, &n, &myrow,&izero, &nprow );
//printf("root paso numroc\n");
itemp = max(1, nru);
descinit_(descA, &n, &numc, &n, &n, &izero, &izero, &RootNodeic, &itemp, &info);
//printf("root paso descinit\n");
}
else{
//printf("yo entre aca\n");
k=0;
for(i=0;i<9;i++){
descA[k]=0;
k++;
}
descA[1]=-1;
}
//printf("inicio de cosas para todos\n");
nru = numroc_(&n, &nb, &myrow, &izero, &nprow);
//printf("todos pasan numroc\n");
itemp = max(1,nru);
descinit_(descAd, &n, &numc, &nb, &nb, &izero, &izero, &ictxt,&itemp, &info);
//printf("todos pasan descinit\n");
pdgemr2d_( &n, &numc, A, &ione, &ione, descA, A_d, &ione, &ione, descAd, &ictxt);
//printf("todos pasan pdgemr2d\n");
if (isRootNode){
//printf("RootNodeic=%d\n",RootNodeic);
Cblacs_gridexit(RootNodeic);
//printf("root paso gridexit\n");
}
}
void test_gemr2d(int M, int N)
{
int repeat = 10;
int32_t one = 1;
int32_t isrc = 0;
int32_t num_ranks;
MPI_Comm_size(MPI_COMM_WORLD, &num_ranks);
int32_t rank;
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
int32_t bs_row_A = M / num_ranks + std::min(1, M % num_ranks);
int32_t bs_col_A = 1;
int32_t bs_row_B = 1;
int32_t bs_col_B = 1;
int32_t blacs_handler = Csys2blacs_handle(MPI_COMM_WORLD);
int32_t context1 = blacs_handler;
int32_t context2 = blacs_handler;
/* create BLACS context */
Cblacs_gridinit(&context1, "C", num_ranks, 1);
/* get row and column ranks */
int32_t rank_row1, rank_col1;
Cblacs_gridinfo(context1, &num_ranks, &one, &rank_row1, &rank_col1);
/* get local number of rows and columns of a matrix */
int32_t num_rows_local1, num_cols_local1;
num_rows_local1 = numroc_(&M, &bs_row_A, &rank_row1, &isrc, &num_ranks);
num_cols_local1 = numroc_(&N, &bs_col_A, &rank_col1, &isrc, &one);
Cblacs_gridinit(&context2, "C", 1, num_ranks);
int32_t rank_row2, rank_col2;
Cblacs_gridinfo(context2, &one, &num_ranks, &rank_row2, &rank_col2);
int32_t num_rows_local2, num_cols_local2;
num_rows_local2 = numroc_(&M, &bs_row_B, &rank_row2, &isrc, &one);
num_cols_local2 = numroc_(&N, &bs_col_B, &rank_col2, &isrc, &num_ranks);
if (rank == 0)
{
printf("local dimensions of A: %i x %i\n", num_rows_local1, num_cols_local1);
printf("local dimensions of B: %i x %i\n", num_rows_local2, num_cols_local2);
}
int32_t descA[9], descB[9], info;
descinit_(descA, &M, &N, &bs_row_A, &bs_col_A, &isrc, &isrc, &context1, &num_rows_local1, &info);
descinit_(descB, &M, &N, &bs_row_B, &bs_col_B, &isrc, &isrc, &context2, &num_rows_local2, &info);
std::vector<double_complex> A(num_rows_local1 * num_cols_local1);
std::vector<double_complex> B(num_rows_local2 * num_cols_local2, double_complex(0, 0));
std::vector<double_complex> C(num_rows_local1 * num_cols_local1);
for (int i = 0; i < num_rows_local1 * num_cols_local1; i++)
{
A[i] = double_complex(double(rand()) / RAND_MAX, double(rand()) / RAND_MAX);
C[i] = A[i];
}
double time = -MPI_Wtime();
for (int i = 0; i < repeat; i++)
{
pzgemr2d_(&M, &N, &A[0], &one, &one, descA, &B[0], &one, &one, descB, &context1);
}
time += MPI_Wtime();
if (rank == 0)
{
printf("average time %.4f sec, swap speed: %.4f GB/sec\n", time / repeat,
sizeof(double_complex) * repeat * M * N / double(1 << 30) / time);
}
/* check correctness */
pzgemr2d_(&M, &N, &B[0], &one, &one, descB, &A[0], &one, &one, descA, &context1);
for (int i = 0; i < num_rows_local1 * num_cols_local1; i++)
{
if (std::abs(A[i] - C[i]) > 1e-14)
{
printf("Fail.\n");
exit(0);
}
}
Cblacs_gridexit(context1);
Cblacs_gridexit(context2);
Cfree_blacs_system_handle(blacs_handler);
}
int main(int argc, char *argv[]){
gettimeofday(&tp, NULL);
starttime=(double)tp.tv_sec+(1.e-6)*tp.tv_usec;
int id, np, ret;
/* dirs, files, tags ...*/
const char* dir="../data/compleib_data/";
const char* dirinit="../data/initial_points/";
const char* code="REA1";
const char* tag="01";
char* solutionQP="solutionQP.dat-s";
/*algorithm vars*/
int max_iter=10000,step_1_fail=20;
double romax=10.0,beta=0.9,gamma=0.1,sigma=0.5,tolerancia_ro=10e-4;
/* compleib data matrices */
genmatrix A, B1, B,C1, C,D11,D12,D21;
/* compleib initial point */
genmatrix F0, Q0, V0;
/* compleib matrix dimensions*/
int nx,nw,nu,nz,ny;
int i,n,k;
double rho=100.0;
/* auxiliar matrices */
genmatrix AF, CF, OUT, MF1, MF2;
struct blockmatrix diagMF1, diagMF2;
/* filter SDP */
filter Fil;
//double beta=0.9;
//double gamma=0.1;
/* sdp problem data */
struct blockmatrix Csdp;
double *asdp;
struct constraintmatrix *constraintssdp;
/* sdp variables */
struct blockmatrix X,Z;
double *y;
/* sdp value of objectives functions */
double pobj,dobj;
genmatrix *null=NULL;
/* Initialize the process grid */
struct scalapackpar scapack;
struct paramstruc params;
int printlevel;
/*load compleib data*/
//int size=10974;
//load_genmatrix("testeigenvalue/bcsstk17.dat",&A,size,size,0);
//load_compleib(code, dir, &A, &B1, &B, &C1, &C, &D11, &D12, &D21, &nx, &nw, &nu, &nz, &ny, id);
//load_initial_point(code,tag,dirinit,&F0,&Q0,&V0,nx,nu,ny, id);
//initialize_filter(&Fil,500.0,500.0);
MPI_Init(&argc,&argv);
MPI_Comm_rank (MPI_COMM_WORLD,&id);
MPI_Comm_size (MPI_COMM_WORLD,&np);
scapack.id = id;
scapack.np = np;
switch (scapack.np)
{
case 1: scapack.nprow=1; scapack.npcol=1;
break;
case 2: scapack.nprow=2; scapack.npcol=1;
break;
case 4: scapack.nprow=2; scapack.npcol=2;
break;
case 8: scapack.nprow=4; scapack.npcol=2;
break;
case 16: scapack.nprow=4; scapack.npcol=4;
break;
case 32: scapack.nprow=8; scapack.npcol=4;
break;
case 64: scapack.nprow=8; scapack.npcol=8;
break;
default:
if (scapack.id==0)
printf("Can not setup %d processors to a grid.\nPlease use 1,2,4,8,9,16,32 or 64 nodes to run or modify fnlsdp.c file. \n",scapack.np);
MPI_Finalize();
return(1);
};
sl_init_(&scapack.ic,&scapack.nprow,&scapack.npcol);
Cblacs_gridinfo(scapack.ic,&scapack.nprow,&scapack.npcol,&scapack.myrow,&scapack.mycol);
/*
if(id==0)print_filter(&Fil);
if(acceptable(&Fil,10.0,3.0,beta,gamma)) {printf("acceptable!\n");add(&Fil,10.0,3.0);}
if(id==0)print_filter(&Fil);
if(acceptable(&Fil,8.0,3.1,beta,gamma)) {printf("acceptable!\n");add(&Fil,8.0,3.1);}
if(id==0)print_filter(&Fil);
if(acceptable(&Fil,6.0,3.2,beta,gamma)) {printf("acceptable!\n");add(&Fil,6.0,3.2);}
if(id==0)print_filter(&Fil);
extract(&Fil,10.0,3.0);
if(id==0)print_filter(&Fil);
extract(&Fil,8.0,3.1);
if(id==0)print_filter(&Fil);
*/
//printf("scapack: %d,%d,%d,%d,%d\n",scapack.ic,scapack.npcol,scapack.nprow,scapack.mycol,scapack.myrow);
//printf("f=%f\ntheta=%f\n",eval_f(&F0,&Q0, &V0,rho,&A,&B1,&B,&C1,&C,&D11,&D12,&D21,nx,nw,nu,ny,nz,scapack,params,printlevel,id),eval_theta(&F0,&Q0, &V0,rho,&A,&B1,&B,&C1,&C,&D11,&D12,&D21,nx,nw,nu,ny,nz,scapack,params,printlevel,id));
//printf("scapack: %d,%d,%d,%d,%d\n",scapack.ic,scapack.npcol,scapack.nprow,scapack.mycol,scapack.myrow);
//test_nelmin(&F0,&Q0, &V0,rho,&A,&B1,&B,&C1,&C,&D11,&D12,&D21,nx,nw,nu,ny,nz,scapack,params,printlevel,id);
//fix_genmatrix(&Q0);
//print_genmatrix(&V0);
/*double ll=lambda1(&A,size,scapack,params,printlevel,id);
if(id==0)printf("lambda1=%f\n",ll);
MPI_Barrier(MPI_COMM_WORLD);
free_mat_gen(&A,0);*/
//printf("scapack: %d,%d,%d,%d,%d\n",scapack.ic,scapack.npcol,scapack.nprow,scapack.mycol,scapack.myrow);
algorithm(code,tag,dir,dirinit,max_iter,romax,beta,gamma,sigma,tolerancia_ro,step_1_fail,scapack,params,printlevel,id);
/*
double *dx=(double *)calloc(nu*ny+nx*(nx+1),sizeof(double));
double *x_current=(double *)calloc(nu*ny+nx*(nx+1),sizeof(double));
printf("holaaaa\n");
mats2vec(dx,&F0,&Q0,&V0,nu,ny,nx);
for(i=0;i<nu*ny+nx*(nx+1);i++){
printf("dx[%d]=%f\n",i,dx[i]);
}
mats2vec(x_current,&F0,&Q0,&V0,nu,ny,nx);
for(i=0;i<nu*ny+nx*(nx+1);i++){
printf("x_current[%d]=%f\n",i,x_current[i]);
}
printf("fobj=%f\n",eval_nabla_f_vec(dx,x_current, rho,&A,&B1,&B,&C1,&C,&D11,&D12,&D21,nx,nw,nu,ny,nz,scapack,params,printlevel,id));
free(dx);
free(x_current);
*/
/*solve qp*/
//ret=0;
//fix_genmatrix(&Q0);
//ret=solve_qp(code,"01", &F0,&Q0, &V0,rho,&A,&B1,&B,&C1,&C,&D11,&D12,&D21,nx,nw,nu,ny,nz,scapack,params,printlevel,id,solutionQP);
//printf("scapack: %d,%d,%d,%d,%d\n",scapack.ic,scapack.npcol,scapack.nprow,scapack.mycol,scapack.myrow);
/*if(DEBUG_FNLSDP && id==0){
printf("F1:\n");
print_genmatrix(&F0);
printf("Q1:\n");
print_genmatrix(&Q0);
printf("V1:\n");
print_genmatrix(&V0);
}*/
//free_filter(&Fil);
//free_initial_point(&F0,&Q0,&V0, np);
//free_compleib(&A, &B1, &B, &C1, &C, &D11, &D12, &D21, np);
Cblacs_gridexit(scapack.ic);
MPI_Finalize();
gettimeofday(&tp, NULL);
endtime=(double)tp.tv_sec+(1.e-6)*tp.tv_usec;
totaltime=endtime-starttime;
othertime=totaltime-opotime-factortime;
if(id==0){
printf("Elements time: %f \n",opotime);
printf("Factor time: %f \n",factortime);
printf("Other time: %f \n",othertime);
printf("Total time: %f \n",totaltime);
}
return ret;
}
int main(int argc, char **argv) {
int iam, nprocs;
int myrank_mpi, nprocs_mpi;
int ictxt, nprow, npcol, myrow, mycol;
int nb, m, n;
int mpA, nqA, mpU, nqU, mpVT, nqVT;
int i, j, k, itemp, min_mn;
int descA[9], descU[9], descVT[9];
float *A=NULL;
int info, infoNN, infoVV, infoNV, infoVN;
float *U_NN=NULL, *U_VV=NULL, *U_NV=NULL, *U_VN=NULL;
float *VT_NN=NULL, *VT_VV=NULL, *VT_NV=NULL, *VT_VN=NULL;
float *S_NN=NULL, *S_VV=NULL, *S_NV=NULL, *S_VN=NULL;
float *S_res_NN=NULL;
float orthU_VV, residF, orthVT_VV;
float orthU_VN, orthVT_NV;
float residS_NN, eps;
float res_repres_NV, res_repres_VN;
/**/
int izero=0,ione=1;
float rtmone=-1.0e+00;
/**/
double MPIelapsedVV, MPIelapsedNN, MPIelapsedVN, MPIelapsedNV;
char jobU, jobVT;
int nbfailure=0, nbtestcase=0,inputfromfile, nbhetereogeneity=0;
float threshold=100e+00;
char buf[1024];
FILE *fd;
char *c;
char *t_jobU, *t_jobVT;
int *t_m, *t_n, *t_nb, *t_nprow, *t_npcol;
int nb_expe, expe;
char hetereogeneityVV, hetereogeneityNN, hetereogeneityVN, hetereogeneityNV;
int iseed[4], idist;
/**/
MPI_Init( &argc, &argv);
MPI_Comm_rank(MPI_COMM_WORLD, &myrank_mpi);
MPI_Comm_size(MPI_COMM_WORLD, &nprocs_mpi);
/**/
m = 100; n = 100; nprow = 1; npcol = 1; nb = 64; jobU='A'; jobVT='A'; inputfromfile = 0;
for( i = 1; i < argc; i++ ) {
if( strcmp( argv[i], "-f" ) == 0 ) {
inputfromfile = 1;
}
if( strcmp( argv[i], "-jobvt" ) == 0 ) {
if (i+1<argc) {
if( strcmp( argv[i+1], "V" ) == 0 ){ jobVT = 'V'; i++; }
else if( strcmp( argv[i+1], "N" ) == 0 ){ jobVT = 'N'; i++; }
else if( strcmp( argv[i+1], "A" ) == 0 ){ jobVT = 'A'; i++; }
else printf(" ** warning: jobvt should be set to V, N or A in the command line ** \n");
}
else
printf(" ** warning: jobvt should be set to V, N or A in the command line ** \n");
}
if( strcmp( argv[i], "-jobu" ) == 0 ) {
if (i+1<argc) {
if( strcmp( argv[i+1], "V" ) == 0 ){ jobU = 'V'; i++; }
else if( strcmp( argv[i+1], "N" ) == 0 ){ jobU = 'N'; i++; }
else if( strcmp( argv[i+1], "A" ) == 0 ){ jobU = 'A'; i++; }
else printf(" ** warning: jobu should be set to V, N or A in the command line ** \n");
}
else
printf(" ** warning: jobu should be set to V, N or A in the command line ** \n");
}
if( strcmp( argv[i], "-m" ) == 0 ) {
m = atoi(argv[i+1]);
i++;
}
if( strcmp( argv[i], "-n" ) == 0 ) {
n = atoi(argv[i+1]);
i++;
}
if( strcmp( argv[i], "-p" ) == 0 ) {
nprow = atoi(argv[i+1]);
i++;
}
if( strcmp( argv[i], "-q" ) == 0 ) {
npcol = atoi(argv[i+1]);
i++;
}
if( strcmp( argv[i], "-nb" ) == 0 ) {
nb = atoi(argv[i+1]);
i++;
}
}
/**/
if (inputfromfile){
nb_expe = 0;
fd = fopen("svd.dat", "r");
if (fd == NULL) { printf("File failed to open svd.dat from processor mpirank(%d/%d): \n",myrank_mpi,nprocs_mpi); exit(-1); }
do {
c = fgets(buf, 1024, fd); /* get one line from the file */
if (c != NULL)
if (c[0] != '#')
nb_expe++;
} while (c != NULL); /* repeat until NULL */
fclose(fd);
t_jobU = (char *)calloc(nb_expe,sizeof(char)) ;
t_jobVT = (char *)calloc(nb_expe,sizeof(char)) ;
t_m = (int *)calloc(nb_expe,sizeof(int )) ;
t_n = (int *)calloc(nb_expe,sizeof(int )) ;
t_nb = (int *)calloc(nb_expe,sizeof(int )) ;
t_nprow = (int *)calloc(nb_expe,sizeof(int )) ;
t_npcol = (int *)calloc(nb_expe,sizeof(int )) ;
fd = fopen("svd.dat", "r");
expe=0;
do {
c = fgets(buf, 1024, fd); /* get one line from the file */
if (c != NULL)
if (c[0] != '#'){
//printf("NBEXPE = %d\n",expe);
sscanf(c,"%c %c %d %d %d %d %d",
&(t_jobU[expe]),&(t_jobVT[expe]),&(t_m[expe]),&(t_n[expe]),
&(t_nb[expe]),(&t_nprow[expe]),&(t_npcol[expe]));
expe++;
}
} while (c != NULL); /* repeat until NULL */
fclose(fd);
}
else {
nb_expe = 1;
t_jobU = (char *)calloc(nb_expe,sizeof(char)) ;
t_jobVT = (char *)calloc(nb_expe,sizeof(char)) ;
t_m = (int *)calloc(nb_expe,sizeof(int )) ;
t_n = (int *)calloc(nb_expe,sizeof(int )) ;
t_nb = (int *)calloc(nb_expe,sizeof(int )) ;
t_nprow = (int *)calloc(nb_expe,sizeof(int )) ;
t_npcol = (int *)calloc(nb_expe,sizeof(int )) ;
t_jobU[0] = jobU;
t_jobVT[0] = jobVT;
t_m[0] = m;
t_n[0] = n;
t_nb[0] = nb;
t_nprow[0] = nprow;
t_npcol[0] = npcol;
}
if (myrank_mpi==0){
printf("\n");
printf("--------------------------------------------------------------------------------------------------------------------\n");
printf(" Testing psgsevd -- float precision SVD ScaLAPACK routine \n");
printf("jobU jobVT m n nb p q || info heter resid orthU orthVT |SNN-SVV| time(s) cond(A) \n");
printf("--------------------------------------------------------------------------------------------------------------------\n");
}
/**/
for (expe = 0; expe<nb_expe; expe++){
jobU = t_jobU[expe] ;
jobVT = t_jobVT[expe] ;
m = t_m[expe] ;
n = t_n[expe] ;
nb = t_nb[expe] ;
nprow = t_nprow[expe] ;
npcol = t_npcol[expe] ;
if (nb>n)
nb = n;
if (nprow*npcol>nprocs_mpi){
if (myrank_mpi==0)
printf(" **** ERROR : we do not have enough processes available to make a p-by-q process grid ***\n");
printf(" **** Bye-bye ***\n");
MPI_Finalize(); exit(1);
}
/**/
Cblacs_pinfo( &iam, &nprocs ) ;
Cblacs_get( -1, 0, &ictxt );
Cblacs_gridinit( &ictxt, "Row", nprow, npcol );
Cblacs_gridinfo( ictxt, &nprow, &npcol, &myrow, &mycol );
/**/
min_mn = min(m,n);
/**/
//if (iam==0)
//printf("\tm=%d\tn = %d\t\t(%d,%d)\t%dx%d\n",m,n,nprow,npcol,nb,nb);
//printf("Hello World, I am proc %d over %d for MPI, proc %d over %d for BLACS in position (%d,%d) in the process grid\n",
//myrank_mpi,nprocs_mpi,iam,nprocs,myrow,mycol);
/*
*
* Work only the process in the process grid
*
*/
//if ((myrow < nprow)&(mycol < npcol)){
if ((myrow>-1)&(mycol>-1)&(myrow<nprow)&(mycol<npcol)){
/*
*
* Compute the size of the local matrices (thanks to numroc)
*
*/
mpA = numroc_( &m , &nb, &myrow, &izero, &nprow );
nqA = numroc_( &n , &nb, &mycol, &izero, &npcol );
mpU = numroc_( &m , &nb, &myrow, &izero, &nprow );
nqU = numroc_( &min_mn, &nb, &mycol, &izero, &npcol );
mpVT = numroc_( &min_mn, &nb, &myrow, &izero, &nprow );
nqVT = numroc_( &n , &nb, &mycol, &izero, &npcol );
/*
*
* Allocate and fill the matrices A and B
*
*/
A = (float *)calloc(mpA*nqA,sizeof(float)) ;
if (A==NULL){ printf("error of memory allocation A on proc %dx%d\n",myrow,mycol); exit(0); }
/**/
// seed = iam*(mpA*nqA*2); srand(seed);
idist = 2;
iseed[0] = mpA%4096;
iseed[1] = iam%4096;
iseed[2] = nqA%4096;
iseed[3] = 23;
/**/
k = 0;
for (i = 0; i < mpA; i++) {
for (j = 0; j < nqA; j++) {
slarnv_( &idist, iseed, &ione, &(A[k]) );
k++;
}
}
/*
*
* Initialize the array descriptor for the distributed matrices xA, U and VT
*
*/
itemp = max( 1, mpA );
descinit_( descA, &m, &n, &nb, &nb, &izero, &izero, &ictxt, &itemp, &info );
itemp = max( 1, mpA );
descinit_( descU, &m, &min_mn, &nb, &nb, &izero, &izero, &ictxt, &itemp, &info );
itemp = max( 1, mpVT );
descinit_( descVT, &min_mn, &n, &nb, &nb, &izero, &izero, &ictxt, &itemp, &info );
/**/
eps = pslamch_( &ictxt, "Epsilon" );
/**/
if ( ((jobU=='V')&(jobVT=='N')) ||(jobU == 'A' )||(jobVT=='A')){
nbtestcase++;
U_VN = (float *)calloc(mpU*nqU,sizeof(float)) ;
if (U_VN==NULL){ printf("error of memory allocation U_VN on proc %dx%d\n",myrow,mycol); exit(0); }
S_VN = (float *)calloc(min_mn,sizeof(float)) ;
if (S_VN==NULL){ printf("error of memory allocation S_VN on proc %dx%d\n",myrow,mycol); exit(0); }
infoVN = driver_psgesvd( 'V', 'N', m, n, A, 1, 1, descA,
S_VN, U_VN, 1, 1, descU, VT_VN, 1, 1, descVT,
&MPIelapsedVN);
orthU_VN = verif_orthogonality(m,min_mn,U_VN , 1, 1, descU);
res_repres_VN = verif_repres_VN( m, n, A, 1, 1, descA, U_VN, 1, 1, descU, S_VN);
if (infoVN==min_mn+1) hetereogeneityVN = 'H'; else hetereogeneityVN = 'N';
if ( iam==0 )
printf(" V N %6d %6d %3d %3d %3d || %3d %c %7.1e %7.1e %8.2f %7.1e\n",
m,n,nb,nprow,npcol,infoVN,hetereogeneityVN,res_repres_VN/(S_VN[0]/S_VN[min_mn-1]),
orthU_VN,MPIelapsedVN,S_VN[0]/S_VN[min_mn-1]);
if (infoVN==min_mn+1) nbhetereogeneity++ ;
else if ((res_repres_VN/eps/(S_VN[0]/S_VN[min_mn-1])>threshold)||(orthU_VN/eps>threshold)||(infoVN!=0)) nbfailure++;
}
/**/
if (((jobU=='N')&(jobVT=='V'))||(jobU == 'A' )||(jobVT=='A')){
nbtestcase++;
VT_NV = (float *)calloc(mpVT*nqVT,sizeof(float)) ;
if (VT_NV==NULL){ printf("error of memory allocation VT_NV on proc %dx%d\n",myrow,mycol); exit(0); }
S_NV = (float *)calloc(min_mn,sizeof(float)) ;
if (S_NV==NULL){ printf("error of memory allocation S_NV on proc %dx%d\n",myrow,mycol); exit(0); }
infoNV = driver_psgesvd( 'N', 'V', m, n, A, 1, 1, descA,
S_NV, U_NV, 1, 1, descU, VT_NV, 1, 1, descVT,
&MPIelapsedNV);
orthVT_NV = verif_orthogonality(min_mn,n,VT_NV, 1, 1, descVT);
res_repres_NV = verif_repres_NV( m, n, A, 1, 1, descA, VT_NV, 1, 1, descVT, S_NV);
if (infoNV==min_mn+1) hetereogeneityNV = 'H'; else hetereogeneityNV = 'N';
if ( iam==0 )
printf(" N V %6d %6d %3d %3d %3d || %3d %c %7.1e %7.1e %8.2f %7.1e\n",
m,n,nb,nprow,npcol,infoNV,hetereogeneityNV,res_repres_NV/(S_NV[0]/S_NV[min_mn-1]),
orthVT_NV,MPIelapsedNV,S_NV[0]/S_NV[min_mn-1]);
if (infoNV==min_mn+1) nbhetereogeneity++ ;
else if ((res_repres_NV/eps/(S_NV[0]/S_NV[min_mn-1])>threshold)||(orthVT_NV/eps>threshold)||(infoNV!=0)) nbfailure++;
}
/**/
if ( ((jobU=='N')&(jobVT=='N')) || ((jobU=='V')&(jobVT=='V')) || (jobU == 'A' ) || (jobVT=='A') ) {
nbtestcase++;
U_VV = (float *)calloc(mpU*nqU,sizeof(float)) ;
if (U_VV==NULL){ printf("error of memory allocation U_VV on proc %dx%d\n",myrow,mycol); exit(0); }
VT_VV = (float *)calloc(mpVT*nqVT,sizeof(float)) ;
if (VT_VV==NULL){ printf("error of memory allocation VT_VV on proc %dx%d\n",myrow,mycol); exit(0); }
S_VV = (float *)calloc(min_mn,sizeof(float)) ;
if (S_VV==NULL){ printf("error of memory allocation S_VV on proc %dx%d\n",myrow,mycol); exit(0); }
infoVV = driver_psgesvd( 'V', 'V', m, n, A, 1, 1, descA,
S_VV, U_VV, 1, 1, descU, VT_VV, 1, 1, descVT,
&MPIelapsedVV);
orthU_VV = verif_orthogonality(m,min_mn,U_VV , 1, 1, descU);
orthVT_VV = verif_orthogonality(min_mn,n,VT_VV, 1, 1, descVT);
residF = verif_representativity( m, n, A, 1, 1, descA,
U_VV, 1, 1, descU,
VT_VV, 1, 1, descVT,
S_VV);
if (infoVV==min_mn+1) hetereogeneityVV = 'H'; else hetereogeneityVV = 'N';
if ( iam==0 )
printf(" V V %6d %6d %3d %3d %3d || %3d %c %7.1e %7.1e %7.1e %8.2f %7.1e\n",
m,n,nb,nprow,npcol,infoVV,hetereogeneityVV,residF,orthU_VV,orthVT_VV,MPIelapsedVV,S_VV[0]/S_VV[min_mn-1]);
if (infoVV==min_mn+1) nbhetereogeneity++ ;
else if ((residF/eps>threshold)||(orthU_VV/eps>threshold)||(orthVT_VV/eps>threshold)||(infoVV!=0)) nbfailure++;
}
/**/
if (((jobU=='N')&(jobVT=='N'))||(jobU == 'A' )||(jobVT=='A')){
nbtestcase++;
S_NN = (float *)calloc(min_mn,sizeof(float)) ;
if (S_NN==NULL){ printf("error of memory allocation S_NN on proc %dx%d\n",myrow,mycol); exit(0); }
infoNN = driver_psgesvd( 'N', 'N', m, n, A, 1, 1, descA,
S_NN, U_NN, 1, 1, descU, VT_NN, 1, 1, descVT,
&MPIelapsedNN);
S_res_NN = (float *)calloc(min_mn,sizeof(float)) ;
if (S_res_NN==NULL){ printf("error of memory allocation S on proc %dx%d\n",myrow,mycol); exit(0); }
scopy_(&min_mn,S_VV,&ione,S_res_NN,&ione);
saxpy_ (&min_mn,&rtmone,S_NN,&ione,S_res_NN,&ione);
residS_NN = snrm2_(&min_mn,S_res_NN,&ione) / snrm2_(&min_mn,S_VV,&ione);
free(S_res_NN);
if (infoNN==min_mn+1) hetereogeneityNN = 'H'; else hetereogeneityNN = 'N';
if ( iam==0 )
printf(" N N %6d %6d %3d %3d %3d || %3d %c %7.1e %8.2f %7.1e\n",
m,n,nb,nprow,npcol,infoNN,hetereogeneityNN,residS_NN,MPIelapsedNN,S_NN[0]/S_NN[min_mn-1]);
if (infoNN==min_mn+1) nbhetereogeneity++ ;
else if ((residS_NN/eps>threshold)||(infoNN!=0)) nbfailure++;
}
/**/
if (((jobU=='V')&(jobVT=='N'))||(jobU == 'A' )||(jobVT=='A')){ free(S_VN); free(U_VN); }
if (((jobU=='N')&(jobVT=='V'))||(jobU == 'A' )||(jobVT=='A')){ free(VT_NV); free(S_NV); }
if (((jobU=='N')&(jobVT=='N'))||(jobU == 'A' )||(jobVT=='A')){ free(S_NN); }
if (((jobU=='N')&(jobVT=='N'))||((jobU=='V')&(jobVT=='V'))||(jobU == 'A' )||(jobVT=='A')){ free(U_VV); free(S_VV); free(VT_VV);}
free(A);
Cblacs_gridexit( 0 );
}
/*
* Print ending messages
*/
}
if ( iam==0 ){
printf("--------------------------------------------------------------------------------------------------------------------\n");
printf(" [ nbhetereogeneity = %d / %d ]\n",nbhetereogeneity, nbtestcase);
printf(" [ nbfailure = %d / %d ]\n",nbfailure, nbtestcase-nbhetereogeneity);
printf("--------------------------------------------------------------------------------------------------------------------\n");
printf("\n");
}
/**/
free(t_jobU );
free(t_jobVT );
free(t_m );
free(t_n );
free(t_nb );
free(t_nprow );
free(t_npcol );
MPI_Finalize();
exit(0);
}
void FreeGrid( int context )
{ Cblacs_gridexit( context ); }
int main(int argc, char **argv) {
int ictxt, nside, ngrid, nblock, nthread;
int rank, size;
int ic, ir, nc, nr;
int i, j;
char *fname;
int info, ZERO=0, ONE=1;
struct timeval st, et;
double dtnn, dtnt, dttn, dttt;
double gfpc_nn, gfpc_nt, gfpc_tn, gfpc_tt;
/* Initialising MPI stuff */
MPI_Init(&argc, &argv);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
MPI_Comm_size(MPI_COMM_WORLD, &size);
printf("Process %i of %i.\n", rank, size);
/* Parsing arguments */
if(argc < 6) {
exit(-3);
}
nside = atoi(argv[1]);
ngrid = atoi(argv[2]);
nblock = atoi(argv[3]);
nthread = atoi(argv[4]);
fname = argv[5];
if(rank == 0) {
printf("Multiplying matrices of size %i x %i\n", nside, nside);
printf("Process grid size %i x %i\n", ngrid, ngrid);
printf("Block size %i x %i\n", nblock, nblock);
printf("Using %i OpenMP threads\n", nthread);
}
#ifdef _OPENMP
if(rank == 0) printf("Setting OMP_NUM_THREADS=%i\n", nthread);
omp_set_num_threads(nthread);
#endif
/* Setting up BLACS */
Cblacs_pinfo( &rank, &size ) ;
Cblacs_get(-1, 0, &ictxt );
Cblacs_gridinit(&ictxt, "Row", ngrid, ngrid);
Cblacs_gridinfo(ictxt, &nr, &nc, &ir, &ic);
int descA[9], descB[9], descC[9];
/* Fetch local array sizes */
int Ar, Ac, Br, Bc, Cr, Cc;
Ar = numroc_( &nside, &nblock, &ir, &ZERO, &nr);
Ac = numroc_( &nside, &nblock, &ic, &ZERO, &nc);
Br = numroc_( &nside, &nblock, &ir, &ZERO, &nr);
Bc = numroc_( &nside, &nblock, &ic, &ZERO, &nc);
Cr = numroc_( &nside, &nblock, &ir, &ZERO, &nr);
Cc = numroc_( &nside, &nblock, &ic, &ZERO, &nc);
printf("Local array section %i x %i\n", Ar, Ac);
/* Set descriptors */
descinit_(descA, &nside, &nside, &nblock, &nblock, &ZERO, &ZERO, &ictxt, &Ar, &info);
descinit_(descB, &nside, &nside, &nblock, &nblock, &ZERO, &ZERO, &ictxt, &Br, &info);
descinit_(descC, &nside, &nside, &nblock, &nblock, &ZERO, &ZERO, &ictxt, &Cr, &info);
/* Initialise and fill arrays */
double *A = (double *)malloc(Ar*Ac*sizeof(double));
double *B = (double *)malloc(Br*Bc*sizeof(double));
double *C = (double *)malloc(Cr*Cc*sizeof(double));
for(i = 0; i < Ar; i++) {
for(j = 0; j < Ac; j++) {
A[j*Ar + i] = drand48();
B[j*Br + i] = drand48();
C[j*Cr + i] = 0.0;
}
}
double alpha = 1.0, beta = 0.0;
//========================
if(rank == 0) printf("Starting multiplication (NN).\n");
Cblacs_barrier(ictxt,"A");
gettimeofday(&st, NULL);
pdgemm_("N", "N", &nside, &nside, &nside,
&alpha,
A, &ONE, &ONE, descA,
B, &ONE, &ONE, descB,
&beta,
C, &ONE, &ONE, descC );
Cblacs_barrier(ictxt,"A");
gettimeofday(&et, NULL);
dtnn = (double)((et.tv_sec-st.tv_sec) + (et.tv_usec-st.tv_usec)*1e-6);
gfpc_nn = 2.0*pow(nside, 3) / (dtnn * 1e9 * ngrid * ngrid * nthread);
if(rank == 0) printf("Done.\n=========\nTime taken: %g s\nGFlops per core: %g\n=========\n", dtnn, gfpc_nn);
//========================
//========================
if(rank == 0) printf("Starting multiplication (NT).\n");
Cblacs_barrier(ictxt,"A");
gettimeofday(&st, NULL);
pdgemm_("N", "T", &nside, &nside, &nside,
&alpha,
A, &ONE, &ONE, descA,
B, &ONE, &ONE, descB,
&beta,
C, &ONE, &ONE, descC );
Cblacs_barrier(ictxt,"A");
gettimeofday(&et, NULL);
dtnt = (double)((et.tv_sec-st.tv_sec) + (et.tv_usec-st.tv_usec)*1e-6);
gfpc_nt = 2.0*pow(nside, 3) / (dtnt * 1e9 * ngrid * ngrid * nthread);
if(rank == 0) printf("Done.\n=========\nTime taken: %g s\nGFlops per core: %g\n=========\n", dtnt, gfpc_nt);
//========================
//========================
if(rank == 0) printf("Starting multiplication (TN).\n");
Cblacs_barrier(ictxt,"A");
gettimeofday(&st, NULL);
pdgemm_("T", "N", &nside, &nside, &nside,
&alpha,
A, &ONE, &ONE, descA,
B, &ONE, &ONE, descB,
&beta,
C, &ONE, &ONE, descC );
Cblacs_barrier(ictxt,"A");
gettimeofday(&et, NULL);
dttn = (double)((et.tv_sec-st.tv_sec) + (et.tv_usec-st.tv_usec)*1e-6);
gfpc_tn = 2.0*pow(nside, 3) / (dttn * 1e9 * ngrid * ngrid * nthread);
if(rank == 0) printf("Done.\n=========\nTime taken: %g s\nGFlops per core: %g\n=========\n", dttn, gfpc_tn);
//========================
//========================
if(rank == 0) printf("Starting multiplication (TT).\n");
Cblacs_barrier(ictxt,"A");
gettimeofday(&st, NULL);
pdgemm_("T", "T", &nside, &nside, &nside,
&alpha,
A, &ONE, &ONE, descA,
B, &ONE, &ONE, descB,
&beta,
C, &ONE, &ONE, descC );
Cblacs_barrier(ictxt,"A");
gettimeofday(&et, NULL);
dttt = (double)((et.tv_sec-st.tv_sec) + (et.tv_usec-st.tv_usec)*1e-6);
gfpc_tt = 2.0*pow(nside, 3) / (dttt * 1e9 * ngrid * ngrid * nthread);
if(rank == 0) printf("Done.\n=========\nTime taken: %g s\nGFlops per core: %g\n=========\n", dttt, gfpc_tt);
//========================
if(rank == 0) {
FILE * fd;
fd = fopen(fname, "w");
fprintf(fd, "%g %g %g %g %i %i %i %i %g %g %g %g\n", gfpc_nn, gfpc_nt, gfpc_tn, gfpc_tt, nside, ngrid, nblock, nthread, dtnn, dtnt, dttn, dttt);
fclose(fd);
}
Cblacs_gridexit( 0 );
MPI_Finalize();
}