- while (MTestGetIntracommGeneral( &comm, minsize, 1 )) {
- if (comm == MPI_COMM_NULL) continue;
- /* Determine the sender and receiver */
- MPI_Comm_rank( comm, &rank );
- MPI_Comm_size( comm, &size );
-
- for (root=0; root<size; root++) {
- for (count = 1; count < 65000; count = count * 2) {
- n = 12;
- stride = 10;
- vecin = (double *)malloc( n * stride * size * sizeof(double) );
- vecout = (double *)malloc( size * n * sizeof(double) );
-
- MPI_Type_vector( n, 1, stride, MPI_DOUBLE, &vec );
- MPI_Type_commit( &vec );
-
- for (i=0; i<n*stride; i++) vecin[i] =-2;
- for (i=0; i<n; i++) vecin[i*stride] = rank * n + i;
- int errorcode = MPI_SUCCESS;
- if (rank == root) {
- for (i=0; i<n; i++) {
- vecout[rank*n+i] = rank*n+i;
- }
- errorcode = MPI_Gather( MPI_IN_PLACE, -1, MPI_DATATYPE_NULL,
- vecout, n, MPI_DOUBLE, root, comm );
- }
- else {
- errorcode = MPI_Gather( vecin, 1, vec, NULL, -1, MPI_DATATYPE_NULL,
- root, comm );
- }
+ while (MTestGetIntracommGeneral(&comm, minsize, 1)) {
+ if (comm == MPI_COMM_NULL)
+ continue;
+ /* Determine the sender and receiver */
+ MPI_Comm_rank(comm, &rank);
+ MPI_Comm_size(comm, &size);