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/*
* Copyright (C) by Argonne National Laboratory
* See COPYRIGHT in top-level directory
*/
#include "mpi.h"
#include "mpitestconf.h"
#include <stdio.h>
#include <stdlib.h>
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include "mpitest.h"
static int verbose = 0;
static int parse_args(int argc, char **argv);
int main(int argc, char *argv[])
{
int i, j, errs = 0;
int rank, size;
MPI_Datatype newtype;
char *buf = NULL;
MTest_Init(&argc, &argv);
parse_args(argc, argv);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
MPI_Comm_size(MPI_COMM_WORLD, &size);
if (size < 2) {
if (verbose)
fprintf(stderr, "comm size must be > 1\n");
errs++;
goto fn_exit;
}
buf = malloc(64 * 129);
if (buf == NULL) {
if (verbose)
fprintf(stderr, "error allocating buffer\n");
errs++;
goto fn_exit;
}
for (i = 8; i < 64; i += 4) {
MPI_Type_vector(i, 128, 129, MPI_CHAR, &newtype);
MPI_Type_commit(&newtype);
memset(buf, 0, 64 * 129);
if (rank == 0) {
/* init buffer */
for (j = 0; j < i; j++) {
int k;
for (k = 0; k < 129; k++) {
buf[129 * j + k] = (char) j;
}
}
/* send */
MPI_Send(buf, 1, newtype, 1, i, MPI_COMM_WORLD);
} else if (rank == 1) {
/* recv */
MPI_Recv(buf, 1, newtype, 0, i, MPI_COMM_WORLD, MPI_STATUS_IGNORE);
/* check buffer */
for (j = 0; j < i; j++) {
int k;
for (k = 0; k < 129; k++) {
if (k < 128 && buf[129 * j + k] != (char) j) {
if (verbose)
fprintf(stderr,
"(i=%d, pos=%d) should be %d but is %d\n",
i, 129 * j + k, j, (int) buf[129 * j + k]);
errs++;
} else if (k == 128 && buf[129 * j + k] != (char) 0) {
if (verbose)
fprintf(stderr,
"(i=%d, pos=%d) should be %d but is %d\n",
i, 129 * j + k, 0, (int) buf[129 * j + k]);
errs++;
}
}
}
}
MPI_Type_free(&newtype);
}
if (rank == 0) {
int recv_errs = 0;
MPI_Recv(&recv_errs, 1, MPI_INT, 1, 0, MPI_COMM_WORLD, MPI_STATUS_IGNORE);
if (recv_errs) {
if (verbose)
fprintf(stderr, "%d errors reported from receiver\n", recv_errs);
errs += recv_errs;
}
} else if (rank == 1) {
MPI_Send(&errs, 1, MPI_INT, 0, 0, MPI_COMM_WORLD);
}
fn_exit:
free(buf);
MTest_Finalize(errs);
return MTestReturnValue(errs);
}
static int parse_args(int argc, char **argv)
{
/*
* int ret;
*
* while ((ret = getopt(argc, argv, "v")) >= 0)
* {
* switch (ret) {
* case 'v':
* verbose = 1;
* break;
* }
* }
*/
if (argc > 1 && strcmp(argv[1], "-v") == 0)
verbose = 1;
return 0;
}
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