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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 put and get with post/start/complete/wait on 2 processes */
/* same as test1.c but uses alloc_mem */
#define SIZE1 100
#define SIZE2 200
int main(int argc, char *argv[])
{
int rank, destrank, nprocs, *A, *B, i;
MPI_Comm CommDeuce;
MPI_Group comm_group, group;
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(SIZE2 * sizeof(int), MPI_INFO_NULL, &A);
if (i) {
printf("Can't allocate memory in test program\n");
MPI_Abort(MPI_COMM_WORLD, 1);
}
MPI_Comm_group(CommDeuce, &comm_group);
if (rank == 0) {
i = MPI_Alloc_mem(SIZE2 * sizeof(int), MPI_INFO_NULL, &B);
if (i) {
printf("Can't allocate memory in test program\n");
MPI_Abort(MPI_COMM_WORLD, 1);
}
for (i = 0; i < SIZE2; i++)
A[i] = B[i] = i;
#ifdef USE_WIN_ALLOCATE
char *base_ptr;
MPI_Win_allocate(0, 1, MPI_INFO_NULL, CommDeuce, &base_ptr, &win);
#else
MPI_Win_create(NULL, 0, 1, MPI_INFO_NULL, CommDeuce, &win);
#endif
destrank = 1;
MPI_Group_incl(comm_group, 1, &destrank, &group);
MPI_Win_start(group, 0, win);
for (i = 0; i < SIZE1; i++)
MPI_Put(A + i, 1, MPI_INT, 1, i, 1, MPI_INT, win);
for (i = 0; i < SIZE1; i++)
MPI_Get(B + i, 1, MPI_INT, 1, SIZE1 + i, 1, MPI_INT, win);
MPI_Win_complete(win);
for (i = 0; i < SIZE1; i++)
if (B[i] != (-4) * (i + SIZE1)) {
SQUELCH(printf
("Get Error: B[i] is %d, should be %d\n", B[i], (-4) * (i + SIZE1)););
errs++;
}
MPI_Free_mem(B);
} else if (rank == 1) {
#ifdef USE_WIN_ALLOCATE
MPI_Win_allocate(SIZE2 * sizeof(int), sizeof(int), MPI_INFO_NULL, CommDeuce, &B, &win);
#else
i = MPI_Alloc_mem(SIZE2 * sizeof(int), MPI_INFO_NULL, &B);
if (i) {
printf("Can't allocate memory in test program\n");
MPI_Abort(MPI_COMM_WORLD, 1);
}
MPI_Win_create(B, SIZE2 * sizeof(int), sizeof(int), MPI_INFO_NULL, CommDeuce, &win);
#endif
MPI_Win_lock(MPI_LOCK_SHARED, rank, 0, win);
for (i = 0; i < SIZE2; i++)
B[i] = (-4) * i;
MPI_Win_unlock(rank, win);
destrank = 0;
MPI_Group_incl(comm_group, 1, &destrank, &group);
MPI_Win_post(group, 0, win);
MPI_Win_wait(win);
for (i = 0; i < SIZE1; i++) {
if (B[i] != i) {
SQUELCH(printf("Put Error: B[i] is %d, should be %d\n", B[i], i););
errs++;
}
}
#ifndef USE_WIN_ALLOCATE
MPI_Free_mem(B);
#endif
}
MPI_Group_free(&group);
MPI_Group_free(&comm_group);
MPI_Win_free(&win);
MPI_Free_mem(A);
}
MPI_Comm_free(&CommDeuce);
MTest_Finalize(errs);
return MTestReturnValue(errs);
}
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