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
|
/*
* Copyright (C) by Argonne National Laboratory
* See COPYRIGHT in top-level directory
*/
#include "mpi.h"
#include <stdio.h>
#include "mpitest.h"
#define MAX_COUNT 4096
int main(int argc, char *argv[])
{
int i, winbuf, one = 1, rank;
MPI_Win win;
MTest_Init(&argc, &argv);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
MPI_Win_create(&winbuf, sizeof(int), sizeof(int), MPI_INFO_NULL, MPI_COMM_WORLD, &win);
MPI_Win_fence(0, win);
for (i = 0; i < MAX_COUNT; i++)
MPI_Accumulate(&one, 1, MPI_INT, 0, 0, 1, MPI_INT, MPI_SUM, win);
MPI_Win_fence(0, win);
MPI_Win_free(&win);
MTest_Finalize(0);
return 0;
}
|
