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/*
* Copyright (C) by Argonne National Laboratory
* See COPYRIGHT in top-level directory
*/
#include "mpi.h"
#include "stdio.h"
#include "stdlib.h"
#include "mpitest.h"
/* This is a modified version of test4.c. Sent by Liwei Peng, Microsoft. */
/* tests passive target RMA on 3 processes. tests the lock-single_op-unlock
optimization. */
#define SIZE1 100
#define SIZE2 200
int main(int argc, char *argv[])
{
int rank, nprocs, A[SIZE2], B[SIZE2], i;
MPI_Comm CommThree;
MPI_Win win;
int errs = 0;
int trank = 1;
MTest_Init(&argc, &argv);
MPI_Comm_size(MPI_COMM_WORLD, &nprocs);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
if (nprocs < 3) {
fprintf(stderr, "Run this program with 3 or more processes\n");
MPI_Abort(MPI_COMM_WORLD, 1);
}
MPI_Comm_split(MPI_COMM_WORLD, (rank < 3), rank, &CommThree);
if (rank < 3) {
if (rank == 0) {
for (i = 0; i < SIZE2; i++) {
A[i] = B[i] = i;
}
} else if (rank == 2) {
for (i = 0; i < SIZE2; i++) {
A[i] = B[i] = -1;
}
} else if (rank == 1) {
for (i = 0; i < SIZE2; i++) {
B[i] = (-4) * i;
}
}
MPI_Win_create(B, SIZE2 * sizeof(int), sizeof(int), MPI_INFO_NULL, CommThree, &win);
if (rank == 0) {
for (i = 0; i < SIZE1; i++) {
MPI_Win_lock(MPI_LOCK_EXCLUSIVE, trank, 0, win);
MPI_Put(A + i, 1, MPI_INT, trank, i, 1, MPI_INT, win);
/* MPI_Put(A+i, 1, MPI_INT, trank, i, 1, MPI_INT, win);
* MPI_Put(A+i, 1, MPI_INT, trank, i, 1, MPI_INT, win); */
MPI_Win_unlock(trank, win);
}
MPI_Win_free(&win);
} else if (rank == 2) {
for (i = 0; i < SIZE1; i++) {
MPI_Win_lock(MPI_LOCK_EXCLUSIVE, trank, 0, win);
MPI_Get(A + i, 1, MPI_INT, trank, SIZE1 + i, 1, MPI_INT, win);
MPI_Win_unlock(trank, win);
}
MPI_Win_free(&win);
for (i = 0; i < SIZE1; i++)
if (A[i] != (-4) * (i + SIZE1)) {
printf("Get Error: A[%d] is %d, should be %d\n", i, A[i], (-4) * (i + SIZE1));
errs++;
}
}
else if (rank == 1) { /*target */
MPI_Win_free(&win);
for (i = 0; i < SIZE1; i++) {
if (B[i] != i) {
printf("Put Error: B[%d] is %d, should be %d\n", i, B[i], i);
errs++;
}
}
}
}
MPI_Comm_free(&CommThree);
MTest_Finalize(errs);
return MTestReturnValue(errs);
}
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