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/*============================================================================
* Unit test for ple_coupling.c;
*============================================================================*/
/*
This file is part of the "Distributed Projection and Exchange" library,
intended to provide mesh or particle-based code coupling services.
Copyright (C) 2005-2010 EDF
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "ple_config_defs.h"
#include "ple_defs.h"
#if defined(PLE_HAVE_MPI)
#include <mpi.h>
#endif
#include "ple_coupling.h"
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
int
main (int argc, char *argv[])
{
#if defined(PLE_HAVE_MPI)
int rank, i, j;
int n_apps = 1;
int app_id = -1;
int sync_flag = PLE_COUPLING_INIT;
MPI_Comm app_comm = MPI_COMM_NULL;
MPI_Comm intracomm = MPI_COMM_NULL;
ple_coupling_mpi_set_t *s = NULL;
ple_coupling_mpi_set_info_t info[4];
MPI_Init(&argc, &argv);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
if (rank < 2)
app_id = ple_coupling_mpi_name_to_id(MPI_COMM_WORLD, "Code_A");
else if (rank < 3)
app_id = ple_coupling_mpi_name_to_id(MPI_COMM_WORLD, "Code_B:case_b");
else if (rank < 6)
app_id = ple_coupling_mpi_name_to_id(MPI_COMM_WORLD, "Code_C");
else
app_id = ple_coupling_mpi_name_to_id(MPI_COMM_WORLD, "Code_D;case_d");
if (app_id < 0)
app_id = 0;
MPI_Comm_split(MPI_COMM_WORLD, app_id, rank, &app_comm);
switch(app_id) {
case 0:
sync_flag = PLE_COUPLING_NO_SYNC;
s = ple_coupling_mpi_set_create(sync_flag, "Code_A", NULL,
MPI_COMM_WORLD, app_comm);
break;
case 1:
s = ple_coupling_mpi_set_create(sync_flag, "Code_B", "case b",
MPI_COMM_WORLD, app_comm);
break;
case 2:
s = ple_coupling_mpi_set_create(sync_flag, "Code_C", NULL,
MPI_COMM_WORLD, app_comm);
break;
default:
s = ple_coupling_mpi_set_create(sync_flag, "Code_D", "case d",
MPI_COMM_WORLD, app_comm);
break;
}
ple_coupling_mpi_set_dump(s);
for (i = 0; i < 4; i++) {
const int *status = NULL;
const double *ts = NULL;
switch(app_id) {
case 0:
break;
case 1:
ple_coupling_mpi_set_synchronize(s, PLE_COUPLING_NEW_ITERATION, 0.1);
break;
case 2:
if (i == 1)
ple_coupling_mpi_set_synchronize(s,
( PLE_COUPLING_NEW_ITERATION
| PLE_COUPLING_LAST),
0.1);
else
ple_coupling_mpi_set_synchronize(s,
PLE_COUPLING_NEW_ITERATION,
0.2);
break;
default:
ple_coupling_mpi_set_synchronize(s, PLE_COUPLING_NEW_ITERATION, 0.3);
break;
}
if (app_id != 0) {
status = ple_coupling_mpi_set_get_status(s);
ts = ple_coupling_mpi_set_get_timestep(s);
ple_printf("\n");
for (j = 0; j < ple_coupling_mpi_set_n_apps(s); j++)
ple_printf("app %d status %d, time step %f\n", j, status[j], ts[j]);
}
}
n_apps = ple_coupling_mpi_set_n_apps(s);
for (i = 0; i < n_apps; i++)
info[i] = ple_coupling_mpi_set_get_info(s, i);
ple_coupling_mpi_set_destroy(&s);
if (n_apps > 1 && app_id < 2) {
int local_range[2], distant_range[2];
int dist_app_id = (app_id + 1) % 2;
int dist_root_rank = info[dist_app_id].root_rank;
local_range[0] = info[app_id].root_rank;
local_range[1] = local_range[0] + info[app_id].n_ranks;
distant_range[0] = info[dist_app_id].root_rank;
distant_range[1] = distant_range[0] + info[dist_app_id].n_ranks;
ple_printf("\nBuilding intracomm with:\n"
" dist_root_rank = %d\n"
" local_range = [%d, %d]\n"
" distant_range = [%d, %d]\n",
dist_root_rank,
local_range[0], local_range[1],
distant_range[0], distant_range[1]);
ple_coupling_mpi_intracomm_create(MPI_COMM_WORLD,
app_comm,
dist_root_rank,
&intracomm,
local_range,
distant_range);
}
MPI_Finalize();
#endif /* (PLE_HAVE_MPI) */
exit (EXIT_SUCCESS);
}
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