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/*
* Copyright (C) by Argonne National Laboratory
* See COPYRIGHT in top-level directory
*/
#include <stdio.h>
#include <stdlib.h>
#include <mpi.h>
#include "mpitest.h"
int errs = 0;
const int NITER = 1000;
const int acc_val = 3;
int main(int argc, char **argv)
{
int rank, nproc;
int out_val, i, counter = 0;
MPI_Win win;
MTest_Init(&argc, &argv);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
MPI_Comm_size(MPI_COMM_WORLD, &nproc);
MPI_Win_create(&counter, sizeof(int), sizeof(int), MPI_INFO_NULL, MPI_COMM_WORLD, &win);
for (i = 0; i < NITER; i++) {
MPI_Win_lock(MPI_LOCK_SHARED, rank, 0, win);
MPI_Get_accumulate(&acc_val, 1, MPI_INT, &out_val, 1, MPI_INT,
rank, 0, 1, MPI_INT, MPI_SUM, win);
MPI_Win_unlock(rank, win);
if (out_val != acc_val * i) {
errs++;
printf("Error: got %d, expected %d at iter %d\n", out_val, acc_val * i, i);
break;
}
}
MPI_Win_free(&win);
MTest_Finalize(errs);
return MTestReturnValue(errs);
}
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