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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
/*
* (C) 2019 by Argonne National Laboratory.
* See COPYRIGHT in top-level directory.
*
* Portions of this code were written by Intel Corporation.
* Copyright (C) 2011-2019 Intel Corporation. Intel provides this material
* to Argonne National Laboratory subject to Software Grant and Corporate
* Contributor License Agreement dated February 8, 2012.
*/
/* 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 *sendbuf = NULL;
int *recvbuf = NULL;
int *recvcounts = NULL;
int *displs = 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);
recvcounts = malloc(size * sizeof(int));
displs = malloc(size * sizeof(int));
sendbuf = malloc(size * sizeof(int));
recvbuf = malloc(size * NUM_INTS * sizeof(int));
my_assert(recvcounts);
my_assert(displs);
my_assert(sendbuf);
my_assert(recvbuf);
for (i = 0; i < size; i++) {
recvcounts[i] = NUM_INTS;
displs[i] = i * recvcounts[i];
}
for (i = 0; i < NUM_INTS; i++) {
sendbuf[i] = rank * NUM_INTS + i;
}
for (i = 0; i < (size * NUM_INTS); i++) {
recvbuf[i] = -1;
}
MPI_Info info;
MPI_Info_create(&info);
MPI_Request req;
MPI_Allgatherv_init(sendbuf, NUM_INTS, MPI_INT, recvbuf, recvcounts, displs, MPI_INT, 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 < (size * NUM_INTS); j++) {
if (recvbuf[j] != j) {
errs++;
if (errs < 10) {
fprintf(stderr, "rbuf[%d] = %d expected %d\n", j, recvbuf[j], j);
}
}
}
}
MPI_Request_free(&req);
MPI_Info_free(&info);
free(sendbuf);
free(recvbuf);
free(recvcounts);
free(displs);
MTest_Finalize(errs);
return MTestReturnValue(errs);
}
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