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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
/*
* Copyright (C) 2008 University of Chicago.
* See COPYRIGHT notice in top-level directory.
*/
#include "../adio/include/adio.h"
#include "../adio/include/adio_extern.h"
#include "mpi.h"
int main (int argc, char **argv)
{
int i;
ADIO_File fd;
ADIO_Offset min_st_offset, max_end_offset;
int rank;
int nprocs_for_coll;
int lb;
MPI_Count size, extent;
MPI_Init (&argc, &argv);
MPI_Comm_rank (MPI_COMM_WORLD, &rank);
if (argc != 4) {
if (!rank)
printf ("Usage: file_realms_test <number of aggregators> <lower bound> <upper bound>\n"
" simulates file_realm calculation\n");
MPI_Finalize();
return 1;
}
nprocs_for_coll = atoi (argv[1]);
min_st_offset = atoi (argv[2]);
max_end_offset = atoi (argv[3]);
if (max_end_offset < min_st_offset){
if (!rank)
printf ("end offset %lld is less then start offset %lld\n",
max_end_offset, min_st_offset);
MPI_Finalize();
return 1;
}
printf ("min_st_offset = %lld\nmax_end_offset = %lld\n",
min_st_offset, max_end_offset);
fd = (ADIO_File) ADIOI_Malloc (sizeof (struct ADIOI_FileD));
fd->hints = (ADIOI_Hints *)
ADIOI_Malloc (sizeof(struct ADIOI_Hints_struct));
fd->hints->cb_nodes = nprocs_for_coll;
ADIOI_Calc_file_realms (fd, min_st_offset, max_end_offset);
for (i=0; i < nprocs_for_coll; i++) {
printf ("file_realm_st_offs[%d] = %lld\n", i, fd->file_realm_st_offs[i]);
}
for (i=0; i < nprocs_for_coll; i++) {
MPI_Type_size_x (fd->file_realm_types[i], &size);
printf ("file_realm [%d] size = %d\n", i, size);
}
for (i=0; i < nprocs_for_coll; i++) {
MPI_Type_get_extent (fd->file_realm_types[i], &lb, &extent);
printf ("file_realm [%d] extent = %d\n", i, extent);
}
for (i=0; i < nprocs_for_coll; i++)
MPI_Type_free (&fd->file_realm_types[i]);
ADIOI_Free (fd->file_realm_st_offs);
ADIOI_Free (fd->file_realm_types);
ADIOI_Free (fd->hints);
ADIOI_Free (fd);
MPI_Finalize();
return 0;
}
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