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/*
* Copyright (C) by Argonne National Laboratory
* See COPYRIGHT in top-level directory
*/
#include "mpi.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "mpitest.h"
/*
static char MTEST_Descrip[] = "Get with Flush_local";
*/
int errs = 0;
const int NITER = 1000;
#define BUFCNT 1024
int main(int argc, char **argv)
{
int rank, nproc, x, i, target_rank;
int *winbuf = NULL, *locbuf = NULL;
MPI_Win win;
MTest_Init(&argc, &argv);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
MPI_Comm_size(MPI_COMM_WORLD, &nproc);
locbuf = malloc(BUFCNT * sizeof(int));
#ifdef USE_WIN_ALLOCATE
MPI_Win_allocate(BUFCNT * sizeof(int), sizeof(int), MPI_INFO_NULL, MPI_COMM_WORLD, &winbuf,
&win);
#else
winbuf = malloc(BUFCNT * sizeof(int));
MPI_Win_create(winbuf, BUFCNT * sizeof(int), sizeof(int), MPI_INFO_NULL, MPI_COMM_WORLD, &win);
#endif
/* Initialize window buffer */
MPI_Win_lock(MPI_LOCK_SHARED, rank, 0, win);
for (i = 0; i < BUFCNT; i++)
winbuf[i] = rank * BUFCNT + i;
MPI_Win_unlock(rank, win);
MPI_Barrier(MPI_COMM_WORLD);
MPI_Win_lock_all(0, win);
for (x = 0; x < NITER; x++) {
for (target_rank = 0; target_rank < nproc; target_rank++) {
/* Test local completion with get+flush_local */
memset(locbuf, 0, BUFCNT * sizeof(int));
MPI_Get(locbuf, BUFCNT, MPI_INT, target_rank, 0, BUFCNT, MPI_INT, win);
MPI_Win_flush_local(target_rank, win);
for (i = 0; i < BUFCNT; i++) {
int exp_val = target_rank * BUFCNT + i;
if (locbuf[i] != exp_val) {
errs++;
printf("[%d] Error: target_rank %d locbuf[%d] got %d, expected %d at iter %d\n",
rank, target_rank, i, locbuf[i], exp_val, x);
break;
}
}
}
}
MPI_Win_unlock_all(win);
MPI_Win_free(&win);
#ifndef USE_WIN_ALLOCATE
free(winbuf);
#endif
free(locbuf);
MTest_Finalize(errs);
return MTestReturnValue(errs);
}
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