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/*
* Copyright (C) by Argonne National Laboratory
* See COPYRIGHT in top-level directory
*/
#include "mpi.h"
#include "stdio.h"
#include "mpitest.h"
#include "squelch.h"
/* tests a series of Gets. Run on 2 processes. */
/* same as test5.c but uses alloc_mem */
#define SIZE 2000
int main(int argc, char *argv[])
{
int rank, nprocs, i, *A, *B;
MPI_Comm CommDeuce;
MPI_Win win;
int errs = 0;
MTest_Init(&argc, &argv);
MPI_Comm_size(MPI_COMM_WORLD, &nprocs);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
if (nprocs < 2) {
printf("Run this program with 2 or more processes\n");
MPI_Abort(MPI_COMM_WORLD, 1);
}
MPI_Comm_split(MPI_COMM_WORLD, (rank < 2), rank, &CommDeuce);
if (rank < 2) {
i = MPI_Alloc_mem(SIZE * sizeof(int), MPI_INFO_NULL, &A);
if (i) {
printf("Can't allocate memory in test program\n");
MPI_Abort(MPI_COMM_WORLD, 1);
}
i = MPI_Alloc_mem(SIZE * sizeof(int), MPI_INFO_NULL, &B);
if (i) {
printf("Can't allocate memory in test program\n");
MPI_Abort(MPI_COMM_WORLD, 1);
}
if (rank == 0) {
for (i = 0; i < SIZE; i++)
B[i] = 500 + i;
MPI_Win_create(B, SIZE * sizeof(int), sizeof(int), MPI_INFO_NULL, CommDeuce, &win);
MPI_Win_fence(0, win);
for (i = 0; i < SIZE; i++) {
A[i] = i + 100;
MPI_Get(&A[i], 1, MPI_INT, 1, i, 1, MPI_INT, win);
}
MPI_Win_fence(0, win);
for (i = 0; i < SIZE; i++)
if (A[i] != 1000 + i) {
SQUELCH(printf("Rank 0: A[%d] is %d, should be %d\n", i, A[i], 1000 + i););
errs++;
}
}
if (rank == 1) {
for (i = 0; i < SIZE; i++)
A[i] = 1000 + i;
MPI_Win_create(A, SIZE * sizeof(int), sizeof(int), MPI_INFO_NULL, CommDeuce, &win);
MPI_Win_fence(0, win);
for (i = 0; i < SIZE; i++) {
B[i] = i + 200;
MPI_Get(&B[i], 1, MPI_INT, 0, i, 1, MPI_INT, win);
}
MPI_Win_fence(0, win);
for (i = 0; i < SIZE; i++)
if (B[i] != 500 + i) {
SQUELCH(printf("Rank 1: B[%d] is %d, should be %d\n", i, B[i], 500 + i););
errs++;
}
}
MPI_Win_free(&win);
MPI_Free_mem(A);
MPI_Free_mem(B);
}
MPI_Comm_free(&CommDeuce);
MTest_Finalize(errs);
return MTestReturnValue(errs);
}
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