int main(int argc, char* argv[]){
int nb_sommets = 0;
int i, j ;
while((nb_sommets == 0) || (nb_sommets < 0)){
printf("Veuillez entrer le nombre de sommets souhaités : \n");
scanf("%d", &nb_sommets);
if(nb_sommets < 0){
fprintf(stderr, "Le nombre de sommets ne peut pas être négatif...");
}
}
int **matrice = NULL ;
matrice = create_mat(nb_sommets);
show_mat(matrice, nb_sommets);
return 0 ;
}
int main(int argc, char **argv)
{
MPI_Init(&argc, &argv);
int size,rank;
MPI_Comm_size(MPI_COMM_WORLD, &size);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
MPI_Status status;
srand(0);
int size_of_submatrix=2;
int size_of_matrix=6;
int searched_sum=28;
int **array;
int **local;
int **master;
int **temp;
int nor=size_of_matrix;
int a=1;
int ilosc=0;
int finished=0;
malloc2dfloat(&local, size_of_submatrix, size_of_matrix);
malloc2dfloat(&master, size_of_submatrix, size_of_submatrix);
malloc2dfloat(&array, size_of_matrix, size_of_matrix);
malloc2dfloat(&temp, size_of_submatrix, size_of_matrix);
if(rank==0)
{ populate_mpi(array,size_of_matrix);
for(int i=0;i<size_of_matrix-size_of_submatrix+1;i++)
{
for(int j=0;j<size_of_submatrix;j++)
{
for(int k=0;k<size_of_matrix;k++)
{
temp[j][k]=array[j+i][k];
}
}
int adress=(i%(size-1))+1;
//printf("rozmiar: %d adres wysylki: %d \n",size,adress);
MPI_Send(&(temp[0][0]), size_of_submatrix*size_of_matrix, MPI_INT, (i%(size-1))+1, DATA, MPI_COMM_WORLD);
}
for(int i=1;i<size;i++)
{
MPI_Send(&(temp[0][0]), size_of_submatrix*size_of_matrix, MPI_INT, i, END, MPI_COMM_WORLD);
}
while(finished!=size-1)
{
MPI_Recv(&(master[0][0]),size_of_submatrix*size_of_submatrix , MPI_INT, MPI_ANY_SOURCE, MPI_ANY_TAG, MPI_COMM_WORLD, &status);
switch (status.MPI_TAG)
{
case WYNIK:
//printf("odebralem wynik id: %d \n",rank);
show_mat(master,size_of_submatrix,size_of_submatrix);
printf("\n");
break;
case END:
//printf("odebralem end id: %d \n",rank);
finished++;
printf("KONIEC procesu : %d \n",status.MPI_SOURCE);
break;
default:
break;
}
}
}
else
{
while(a)
{
MPI_Recv(&(local[0][0]), size_of_submatrix*size_of_matrix, MPI_INT, 0, MPI_ANY_TAG, MPI_COMM_WORLD, &status);
switch (status.MPI_TAG)
{
case DATA:
//printf("odebralem data id: %d \n",rank);
find_subs_mpi(local,searched_sum,size_of_matrix,size_of_submatrix);
//show_mat(local,size_of_submatrix,size_of_matrix);
break;
case END:
//printf("odebralem end id: %d \n",rank);
MPI_Send(&(local[0][0]), size_of_submatrix*size_of_submatrix, MPI_INT, 0, END, MPI_COMM_WORLD);
a=0;
break;
default:
break;
}
}
}
MPI_Finalize();
free2dfloat(&local);
free2dfloat(&master);
free2dfloat(&array);
free2dfloat(&temp);
}
