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/*
* Copyright (C) by Argonne National Laboratory
* See COPYRIGHT in top-level directory
*/
#include <stdio.h>
#include <mpi.h>
#include "mpitest.h"
#define PUT_SIZE 1
#define GET_SIZE 100000
#define WIN_SIZE (PUT_SIZE+GET_SIZE)
#define LOOP 100
int win_buf[WIN_SIZE], orig_get_buf[GET_SIZE], orig_put_buf[PUT_SIZE];
int main(int argc, char **argv)
{
MPI_Win win;
int i, k, rank, nproc;
int orig_rank = 0, dest_rank = 1;
int errs = 0;
MPI_Group comm_group, orig_group, dest_group;
MTest_Init(&argc, &argv);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
MPI_Comm_size(MPI_COMM_WORLD, &nproc);
MPI_Comm_group(MPI_COMM_WORLD, &comm_group);
MPI_Group_incl(comm_group, 1, &orig_rank, &orig_group);
MPI_Group_incl(comm_group, 1, &dest_rank, &dest_group);
for (i = 0; i < PUT_SIZE; i++)
orig_put_buf[i] = 1;
for (i = 0; i < GET_SIZE; i++)
orig_get_buf[i] = 0;
for (i = 0; i < WIN_SIZE; i++)
win_buf[i] = 1;
MPI_Win_create(win_buf, sizeof(int) * WIN_SIZE, sizeof(int), MPI_INFO_NULL,
MPI_COMM_WORLD, &win);
for (k = 0; k < LOOP; k++) {
/* test for FENCE */
if (rank == orig_rank) {
MPI_Win_fence(MPI_MODE_NOPRECEDE, win);
MPI_Get(orig_get_buf, GET_SIZE, MPI_INT,
dest_rank, PUT_SIZE /*disp */ , GET_SIZE, MPI_INT, win);
MPI_Put(orig_put_buf, PUT_SIZE, MPI_INT,
dest_rank, 0 /*disp */ , PUT_SIZE, MPI_INT, win);
MPI_Win_fence(MPI_MODE_NOSUCCEED, win);
/* check GET result values */
for (i = 0; i < GET_SIZE; i++) {
if (orig_get_buf[i] != 1) {
printf("LOOP=%d, FENCE, orig_get_buf[%d] = %d, expected 1.\n",
k, i, orig_get_buf[i]);
errs++;
}
}
} else if (rank == dest_rank) {
MPI_Win_fence(MPI_MODE_NOPRECEDE, win);
MPI_Win_fence(MPI_MODE_NOSUCCEED, win);
/* modify the last element in window */
MPI_Win_lock(MPI_LOCK_SHARED, rank, 0, win);
win_buf[WIN_SIZE - 1] = 2;
MPI_Win_unlock(rank, win);
}
MPI_Barrier(MPI_COMM_WORLD);
/* reset buffers */
for (i = 0; i < PUT_SIZE; i++)
orig_put_buf[i] = 1;
for (i = 0; i < GET_SIZE; i++)
orig_get_buf[i] = 0;
MPI_Win_lock(MPI_LOCK_SHARED, rank, 0, win);
for (i = 0; i < WIN_SIZE; i++)
win_buf[i] = 1;
MPI_Win_unlock(rank, win);
MPI_Barrier(MPI_COMM_WORLD);
/* test for PSCW */
if (rank == orig_rank) {
MPI_Win_start(dest_group, 0, win);
MPI_Get(orig_get_buf, GET_SIZE, MPI_INT,
dest_rank, PUT_SIZE /*disp */ , GET_SIZE, MPI_INT, win);
MPI_Put(orig_put_buf, PUT_SIZE, MPI_INT,
dest_rank, 0 /*disp */ , PUT_SIZE, MPI_INT, win);
MPI_Win_complete(win);
/* check GET result values */
for (i = 0; i < GET_SIZE; i++) {
if (orig_get_buf[i] != 1) {
printf("LOOP=%d, PSCW, orig_get_buf[%d] = %d, expected 1.\n",
k, i, orig_get_buf[i]);
errs++;
}
}
} else if (rank == dest_rank) {
MPI_Win_post(orig_group, 0, win);
MPI_Win_wait(win);
/* modify the last element in window */
MPI_Win_lock(MPI_LOCK_SHARED, rank, 0, win);
win_buf[WIN_SIZE - 1] = 2;
MPI_Win_unlock(rank, win);
}
MPI_Barrier(MPI_COMM_WORLD);
/* reset buffers */
for (i = 0; i < PUT_SIZE; i++)
orig_put_buf[i] = 1;
for (i = 0; i < GET_SIZE; i++)
orig_get_buf[i] = 0;
MPI_Win_lock(MPI_LOCK_SHARED, rank, 0, win);
for (i = 0; i < WIN_SIZE; i++)
win_buf[i] = 1;
MPI_Win_unlock(rank, win);
MPI_Barrier(MPI_COMM_WORLD);
}
MPI_Win_free(&win);
MPI_Group_free(&orig_group);
MPI_Group_free(&dest_group);
MPI_Group_free(&comm_group);
MTest_Finalize(errs);
return MTestReturnValue(errs);
}
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