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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"
#include "mpithreadtest.h"
#define NUM_THREADS 4
#define COUNT 1024
MPI_Win win[NUM_THREADS];
int *win_mem[NUM_THREADS];
int rank, nprocs;
int thread_errs[NUM_THREADS];
static MTEST_THREAD_RETURN_TYPE run_test(void *arg)
{
int i;
int *local_b;
int id = *((int *) arg);
int result;
thread_errs[id] = 0;
MPI_Alloc_mem(COUNT * sizeof(int), MPI_INFO_NULL, &local_b);
for (i = 0; i < COUNT; i++) {
local_b[i] = rank * 100 + id;
}
MPI_Win_fence(0, win[id]);
if (rank == 1) {
MPI_Put(local_b, COUNT, MPI_INT, 0, 0, COUNT, MPI_INT, win[id]);
}
MPI_Win_fence(0, win[id]);
if (rank == 0) {
result = 100 + id;
for (i = 0; i < COUNT; i++) {
if (win_mem[id][i] != result) {
thread_errs[id]++;
if (thread_errs[id] < 10) {
fprintf(stderr, "win_mem[%d][%d] = %d expected %d\n", id, i, win_mem[id][i],
result);
}
}
}
}
if (rank == 2) {
MPI_Get(local_b, COUNT, MPI_INT, 0, 0, COUNT, MPI_INT, win[id]);
}
MPI_Win_fence(0, win[id]);
if (rank == 2) {
result = id + 100;
for (i = 0; i < COUNT; i++) {
if (local_b[i] != result) {
thread_errs[id]++;
if (thread_errs[id] < 10) {
fprintf(stderr, "thread %d: local_b[%d] = %d expected %d\n", id, i, local_b[i],
result);
}
}
}
}
MPI_Free_mem(local_b);
return (MTEST_THREAD_RETURN_TYPE) NULL;
}
int main(int argc, char *argv[])
{
int errs = 0;
int i, pmode;
int thread_args[NUM_THREADS];
MTest_Init_thread(&argc, &argv, MPI_THREAD_MULTIPLE, &pmode);
if (pmode != MPI_THREAD_MULTIPLE) {
fprintf(stderr, "MPI_THREAD_MULTIPLE is not supported\n");
MPI_Abort(MPI_COMM_WORLD, -1);
}
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
MPI_Comm_size(MPI_COMM_WORLD, &nprocs);
if (nprocs < 3) {
printf("Run this program with 3 or more processes\n");
MPI_Abort(MPI_COMM_WORLD, 1);
}
for (i = 0; i < NUM_THREADS; i++) {
errs += MPI_Win_allocate(COUNT * sizeof(int), sizeof(int),
MPI_INFO_NULL, MPI_COMM_WORLD, &win_mem[i], &win[i]);
}
for (i = 0; i < NUM_THREADS; i++) {
thread_args[i] = i;
errs += MTest_Start_thread(run_test, &thread_args[i]);
}
errs += MTest_Join_threads();
for (i = 0; i < NUM_THREADS; i++) {
errs += thread_errs[i];
}
for (i = 0; i < NUM_THREADS; i++) {
errs += MPI_Win_free(&win[i]);
}
MTest_Finalize(errs);
return MTestReturnValue(errs);
}
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