1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
/*
* Copyright (C) 2010. See COPYRIGHT in top-level directory.
*/
#include <stdio.h>
#include <stdlib.h>
#include <armci.h>
#include <armcix.h>
#define PART_SIZE 1
#define DATA_SZ 100*sizeof(int)
int main(int argc, char **argv) {
int me, nproc, grp_me, grp_nproc;
ARMCI_Group g_world, g_new;
void **base_ptrs;
MPI_Init(&argc, &argv);
ARMCI_Init();
MPI_Comm_rank(MPI_COMM_WORLD, &me);
MPI_Comm_size(MPI_COMM_WORLD, &nproc);
base_ptrs = malloc(sizeof(void*)*nproc);
if (me == 0) printf("ARMCI Group test starting on %d procs\n", nproc);
ARMCI_Group_get_world(&g_world);
if (me == 0) printf(" + Creating odd/even groups\n");
ARMCIX_Group_split(&g_world, me%2, me, &g_new);
ARMCI_Group_rank(&g_new, &grp_me);
ARMCI_Group_size(&g_new, &grp_nproc);
if (me == 0) printf(" + Performing group allocation\n");
ARMCI_Malloc_group(base_ptrs, DATA_SZ, &g_new);
ARMCI_Barrier();
if (me == 0) printf(" + Freeing group allocation\n");
ARMCI_Free_group(base_ptrs[grp_me], &g_new);
ARMCI_Barrier();
if (me == 0) printf(" + Freeing group\n");
ARMCI_Group_free(&g_new);
if (me == 0) printf(" + done\n");
free(base_ptrs);
ARMCI_Finalize();
MPI_Finalize();
return 0;
}
|
