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 */
13 /* same as test1.c but uses alloc_mem */
18 int main(int argc, char *argv[])
20 int rank, destrank, nprocs, *A, *B, i;
22 MPI_Group comm_group, group;
26 MTest_Init(&argc, &argv);
27 MPI_Comm_size(MPI_COMM_WORLD, &nprocs);
28 MPI_Comm_rank(MPI_COMM_WORLD, &rank);
31 printf("Run this program with 2 or more processes\n");
32 MPI_Abort(MPI_COMM_WORLD, 1);
35 MPI_Comm_split(MPI_COMM_WORLD, (rank < 2), rank, &CommDeuce);
39 i = MPI_Alloc_mem(SIZE2 * sizeof(int), MPI_INFO_NULL, &A);
41 printf("Can't allocate memory in test program\n");
42 MPI_Abort(MPI_COMM_WORLD, 1);
45 MPI_Comm_group(CommDeuce, &comm_group);
48 i = MPI_Alloc_mem(SIZE2 * sizeof(int), MPI_INFO_NULL, &B);
50 printf("Can't allocate memory in test program\n");
51 MPI_Abort(MPI_COMM_WORLD, 1);
54 for (i = 0; i < SIZE2; i++)
56 #ifdef USE_WIN_ALLOCATE
58 MPI_Win_allocate(0, 1, MPI_INFO_NULL, CommDeuce, &base_ptr, &win);
60 MPI_Win_create(NULL, 0, 1, MPI_INFO_NULL, CommDeuce, &win);
63 MPI_Group_incl(comm_group, 1, &destrank, &group);
64 MPI_Win_start(group, 0, win);
65 for (i = 0; i < SIZE1; i++)
66 MPI_Put(A + i, 1, MPI_INT, 1, i, 1, MPI_INT, win);
67 for (i = 0; i < SIZE1; i++)
68 MPI_Get(B + i, 1, MPI_INT, 1, SIZE1 + i, 1, MPI_INT, win);
70 MPI_Win_complete(win);
72 for (i = 0; i < SIZE1; i++)
73 if (B[i] != (-4) * (i + SIZE1)) {
75 ("Get Error: B[i] is %d, should be %d\n", B[i], (-4) * (i + SIZE1)););
82 #ifdef USE_WIN_ALLOCATE
83 MPI_Win_allocate(SIZE2 * sizeof(int), sizeof(int), MPI_INFO_NULL, CommDeuce, &B, &win);
85 i = MPI_Alloc_mem(SIZE2 * sizeof(int), MPI_INFO_NULL, &B);
87 printf("Can't allocate memory in test program\n");
88 MPI_Abort(MPI_COMM_WORLD, 1);
90 MPI_Win_create(B, SIZE2 * sizeof(int), sizeof(int), MPI_INFO_NULL, CommDeuce, &win);
92 MPI_Win_lock(MPI_LOCK_SHARED, rank, 0, win);
93 for (i = 0; i < SIZE2; i++)
95 MPI_Win_unlock(rank, win);
98 MPI_Group_incl(comm_group, 1, &destrank, &group);
99 MPI_Win_post(group, 0, win);
102 for (i = 0; i < SIZE1; i++) {
104 SQUELCH(printf("Put Error: B[i] is %d, should be %d\n", B[i], i););
108 #ifndef USE_WIN_ALLOCATE
113 MPI_Group_free(&group);
114 MPI_Group_free(&comm_group);
119 MPI_Comm_free(&CommDeuce);
120 MTest_Finalize(errs);