1 /* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
4 * (C) 2003 by Argonne National Laboratory.
5 * See COPYRIGHT in top-level directory.
13 int main(int argc, char *argv[])
16 int errors = 0, all_errors = 0;
17 int *flavor, *model, flag;
21 MPI_Init(&argc, &argv);
22 MPI_Comm_rank(MPI_COMM_WORLD, &rank);
24 /** Create using MPI_Win_create() **/
27 MPI_Alloc_mem(rank * ELEM_SIZE, MPI_INFO_NULL, &buf);
31 MPI_Win_create(buf, rank * ELEM_SIZE, 1, MPI_INFO_NULL, MPI_COMM_WORLD, &window);
32 MPI_Win_get_attr(window, MPI_WIN_CREATE_FLAVOR, &flavor, &flag);
35 printf("%d: MPI_Win_create - Error, no flavor\n", rank);
38 else if (*flavor != MPI_WIN_FLAVOR_CREATE) {
39 printf("%d: MPI_Win_create - Error, bad flavor (%d)\n", rank, *flavor);
43 MPI_Win_get_attr(window, MPI_WIN_MODEL, &model, &flag);
46 printf("%d: MPI_Win_create - Error, no model\n", rank);
49 else if (!(*model == MPI_WIN_SEPARATE || *model == MPI_WIN_UNIFIED)) {
50 printf("%d: MPI_Win_create - Error, bad model (%d)\n", rank, *model);
54 MPI_Win_free(&window);
59 /** Create using MPI_Win_allocate() **/
61 MPI_Win_allocate(rank * ELEM_SIZE, 1, MPI_INFO_NULL, MPI_COMM_WORLD, &buf, &window);
63 if (rank > 0 && buf == NULL) {
64 printf("%d: MPI_Win_allocate - Error, bad base pointer\n", rank);
68 MPI_Win_get_attr(window, MPI_WIN_CREATE_FLAVOR, &flavor, &flag);
71 printf("%d: MPI_Win_allocate - Error, no flavor\n", rank);
74 else if (*flavor != MPI_WIN_FLAVOR_ALLOCATE) {
75 printf("%d: MPI_Win_allocate - Error, bad flavor (%d)\n", rank, *flavor);
79 MPI_Win_get_attr(window, MPI_WIN_MODEL, &model, &flag);
82 printf("%d: MPI_Win_allocate - Error, no model\n", rank);
85 else if (*model != MPI_WIN_SEPARATE && *model != MPI_WIN_UNIFIED) {
86 printf("%d: MPI_Win_allocate - Error, bad model (%d)\n", rank, *model);
90 MPI_Win_free(&window);
92 /** Create using MPI_Win_create_dynamic() **/
94 MPI_Win_create_dynamic(MPI_INFO_NULL, MPI_COMM_WORLD, &window);
96 MPI_Win_get_attr(window, MPI_WIN_CREATE_FLAVOR, &flavor, &flag);
99 printf("%d: MPI_Win_create_dynamic - Error, no flavor\n", rank);
102 else if (*flavor != MPI_WIN_FLAVOR_DYNAMIC) {
103 printf("%d: MPI_Win_create_dynamic - Error, bad flavor (%d)\n", rank, *flavor);
107 MPI_Win_get_attr(window, MPI_WIN_MODEL, &model, &flag);
110 printf("%d: MPI_Win_create_dynamic - Error, no model\n", rank);
113 else if (*model != MPI_WIN_SEPARATE && *model != MPI_WIN_UNIFIED) {
114 printf("%d: MPI_Win_create_dynamic - Error, bad model (%d)\n", rank, *model);
118 MPI_Win_free(&window);
120 MPI_Reduce(&errors, &all_errors, 1, MPI_INT, MPI_SUM, 0, MPI_COMM_WORLD);
122 if (rank == 0 && all_errors == 0)
123 printf(" No Errors\n");