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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
/*
* (C) 2013 by Argonne National Laboratory.
* See COPYRIGHT in top-level directory.
*/
#include "mpi.h"
#include <stdio.h>
#define MAX_COUNT 4096
int main(int argc, char *argv[])
{
int i, winbuf, one = 1, rank;
MPI_Win win;
MPI_Init(NULL, NULL);
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);
if (rank == 0)
printf(" No Errors\n");
MPI_Finalize();
return 0;
}
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