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/*
* Copyright (C) by Argonne National Laboratory
* See COPYRIGHT in top-level directory
*/
/* This is a very weak sanity test that persistenr broadcast collectives specified by
* proposed MPI-4 is present in the library and take arguments as expected. This test
* does not check for progress or matching issues. */
#include "mpi.h"
#include "mpitest.h"
#include <stdio.h>
#include <stdlib.h>
#define NUM_INTS (2)
#define my_assert(cond_) \
do { \
if (!(cond_)) { \
fprintf(stderr, "assertion (%s) failed, aborting\n", #cond_); \
MPI_Abort(MPI_COMM_WORLD, 1); \
} \
} while (0)
int main(int argc, char **argv)
{
int errs = 0;
int i;
int rank, size;
int *sbuf = NULL;
int *rbuf = NULL;
MPI_Comm comm;
int count = 10;
int j = 0;
MTest_Init(&argc, &argv);
comm = MPI_COMM_WORLD;
MPI_Comm_size(comm, &size);
MPI_Comm_rank(comm, &rank);
sbuf = malloc(NUM_INTS * sizeof(int));
rbuf = malloc(NUM_INTS * sizeof(int));
my_assert(sbuf);
my_assert(rbuf);
for (i = 0; i < NUM_INTS; ++i) {
sbuf[i] = rank + i;
}
MPI_Info info;
MPI_Info_create(&info);
MPI_Request req;
MPI_Allreduce_init(sbuf, rbuf, NUM_INTS, MPI_INT, MPI_SUM, comm, info, &req);
for (i = 0; i < count; i++) {
MPI_Start(&req);
MPI_Wait(&req, MPI_STATUS_IGNORE);
/* Check the results */
for (j = 0; j < NUM_INTS; j++) {
int result = j * size + (size * (size - 1)) / 2;
if (rbuf[j] != result) {
errs++;
if (errs < 10) {
fprintf(stderr, "rbuf[%d] = %d expected %d\n", j, rbuf[j], result);
}
}
}
}
MPI_Request_free(&req);
MPI_Info_free(&info);
free(sbuf);
free(rbuf);
MTest_Finalize(errs);
return MTestReturnValue(errs);
}
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