1 /* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
3 * (C) 2001 by Argonne National Laboratory.
4 * See COPYRIGHT in top-level directory.
11 /* tests put and get with post/start/complete/wait on 2 processes */
16 int main(int argc, char *argv[])
18 int rank, destrank, nprocs, A[SIZE2], i;
20 MPI_Group comm_group, group;
24 MTest_Init(&argc, &argv);
25 MPI_Comm_size(MPI_COMM_WORLD, &nprocs);
26 MPI_Comm_rank(MPI_COMM_WORLD, &rank);
29 printf("Run this program with 2 or more processes\n");
30 MPI_Abort(MPI_COMM_WORLD, 1);
33 MPI_Comm_split(MPI_COMM_WORLD, (rank < 2), rank, &CommDeuce);
36 MPI_Comm_group(CommDeuce, &comm_group);
40 for (i = 0; i < SIZE2; i++)
42 #ifdef USE_WIN_ALLOCATE
44 MPI_Win_allocate(0, 1, MPI_INFO_NULL, CommDeuce, &base_ptr, &win);
46 MPI_Win_create(NULL, 0, 1, MPI_INFO_NULL, CommDeuce, &win);
49 MPI_Group_incl(comm_group, 1, &destrank, &group);
50 MPI_Win_start(group, 0, win);
51 for (i = 0; i < SIZE1; i++)
52 MPI_Put(A + i, 1, MPI_INT, 1, i, 1, MPI_INT, win);
53 for (i = 0; i < SIZE1; i++)
54 MPI_Get(B + i, 1, MPI_INT, 1, SIZE1 + i, 1, MPI_INT, win);
56 MPI_Win_complete(win);
58 for (i = 0; i < SIZE1; i++)
59 if (B[i] != (-4) * (i + SIZE1)) {
61 ("Get Error: B[i] is %d, should be %d\n", B[i], (-4) * (i + SIZE1)););
66 #ifdef USE_WIN_ALLOCATE
68 MPI_Win_allocate(SIZE2 * sizeof(int), sizeof(int), MPI_INFO_NULL, CommDeuce, &B, &win);
71 MPI_Win_create(B, SIZE2 * sizeof(int), sizeof(int), MPI_INFO_NULL, CommDeuce, &win);
73 MPI_Win_lock(MPI_LOCK_SHARED, rank, 0, win);
74 for (i = 0; i < SIZE2; i++)
76 MPI_Win_unlock(rank, win);
79 MPI_Group_incl(comm_group, 1, &destrank, &group);
80 MPI_Win_post(group, 0, win);
83 for (i = 0; i < SIZE1; i++) {
85 SQUELCH(printf("Put Error: B[i] is %d, should be %d\n", B[i], i););
91 MPI_Group_free(&group);
92 MPI_Group_free(&comm_group);
95 MPI_Comm_free(&CommDeuce);