1 /*
2 * Copyright (C) by Argonne National Laboratory
3 * See COPYRIGHT in top-level directory
4 */
5
6 #include "mpi.h"
7 #include "stdio.h"
8 #include "mpitest.h"
9 #include "squelch.h"
10
11 /* tests a series of Gets. Run on 2 processes. */
12
13 /* same as test5.c but uses alloc_mem */
14
15 #define SIZE 2000
16
main(int argc,char * argv[])17 int main(int argc, char *argv[])
18 {
19 int rank, nprocs, i, *A, *B;
20 MPI_Comm CommDeuce;
21 MPI_Win win;
22 int errs = 0;
23
24 MTest_Init(&argc, &argv);
25
26 MPI_Comm_size(MPI_COMM_WORLD, &nprocs);
27 MPI_Comm_rank(MPI_COMM_WORLD, &rank);
28
29 if (nprocs < 2) {
30 printf("Run this program with 2 or more processes\n");
31 MPI_Abort(MPI_COMM_WORLD, 1);
32 }
33
34 MPI_Comm_split(MPI_COMM_WORLD, (rank < 2), rank, &CommDeuce);
35
36 if (rank < 2) {
37 i = MPI_Alloc_mem(SIZE * sizeof(int), MPI_INFO_NULL, &A);
38 if (i) {
39 printf("Can't allocate memory in test program\n");
40 MPI_Abort(MPI_COMM_WORLD, 1);
41 }
42 i = MPI_Alloc_mem(SIZE * sizeof(int), MPI_INFO_NULL, &B);
43 if (i) {
44 printf("Can't allocate memory in test program\n");
45 MPI_Abort(MPI_COMM_WORLD, 1);
46 }
47
48 if (rank == 0) {
49 for (i = 0; i < SIZE; i++)
50 B[i] = 500 + i;
51 MPI_Win_create(B, SIZE * sizeof(int), sizeof(int), MPI_INFO_NULL, CommDeuce, &win);
52 MPI_Win_fence(0, win);
53 for (i = 0; i < SIZE; i++) {
54 A[i] = i + 100;
55 MPI_Get(&A[i], 1, MPI_INT, 1, i, 1, MPI_INT, win);
56 }
57 MPI_Win_fence(0, win);
58 for (i = 0; i < SIZE; i++)
59 if (A[i] != 1000 + i) {
60 SQUELCH(printf("Rank 0: A[%d] is %d, should be %d\n", i, A[i], 1000 + i););
61 errs++;
62 }
63 }
64 if (rank == 1) {
65 for (i = 0; i < SIZE; i++)
66 A[i] = 1000 + i;
67 MPI_Win_create(A, SIZE * sizeof(int), sizeof(int), MPI_INFO_NULL, CommDeuce, &win);
68 MPI_Win_fence(0, win);
69 for (i = 0; i < SIZE; i++) {
70 B[i] = i + 200;
71 MPI_Get(&B[i], 1, MPI_INT, 0, i, 1, MPI_INT, win);
72 }
73 MPI_Win_fence(0, win);
74 for (i = 0; i < SIZE; i++)
75 if (B[i] != 500 + i) {
76 SQUELCH(printf("Rank 1: B[%d] is %d, should be %d\n", i, B[i], 500 + i););
77 errs++;
78 }
79 }
80
81 MPI_Win_free(&win);
82
83 MPI_Free_mem(A);
84 MPI_Free_mem(B);
85 }
86
87 MPI_Comm_free(&CommDeuce);
88 MTest_Finalize(errs);
89 return MTestReturnValue(errs);
90 }
91