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test_synchronizer_communication.cc
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Wed, Dec 11, 19:28

test_synchronizer_communication.cc
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/**
* @file test_synchronizer_communication.cc
*
* @author Dana Christen <dana.christen@epfl.ch>
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Sun Sep 12 2010
* @date last modification: Tue Jun 24 2014
*
* @brief test to synchronize barycenters
*
* @section LICENSE
*
* Copyright (©) 2010-2012, 2014 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu 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 3 of the License, or (at your option) any
* later version.
*
* Akantu 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 Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
#include "aka_common.hh"
#include "distributed_synchronizer.hh"
#include "synchronizer_registry.hh"
#include "mesh.hh"
#include "mesh_partition_scotch.hh"
/* -------------------------------------------------------------------------- */
#ifdef AKANTU_USE_IOHELPER
# include "dumper_paraview.hh"
#endif //AKANTU_USE_IOHELPER
#include "test_data_accessor.hh"
using namespace akantu;
/* -------------------------------------------------------------------------- */
/* Main */
/* -------------------------------------------------------------------------- */
int main(int argc, char *argv[])
{
initialize(argc, argv);
UInt spatial_dimension = 3;
Mesh mesh(spatial_dimension);
StaticCommunicator & comm = StaticCommunicator::getStaticCommunicator();
Int psize = comm.getNbProc();
Int prank = comm.whoAmI();
bool wait=true;
if(argc >1) {
if(prank == 0)
while(wait);
}
DistributedSynchronizer * communicator;
if(prank == 0) {
mesh.read("cube.msh");
MeshPartition * partition = new MeshPartitionScotch(mesh, spatial_dimension);
partition->partitionate(psize);
communicator = DistributedSynchronizer::createDistributedSynchronizerMesh(mesh, partition);
delete partition;
} else {
communicator = DistributedSynchronizer::createDistributedSynchronizerMesh(mesh, NULL);
}
/// compute barycenter for each facet
ElementTypeMapArray<Real> barycenters("barycenters", "", 0);
mesh.initElementTypeMapArray(barycenters, spatial_dimension, spatial_dimension);
for (ghost_type_t::iterator gt = ghost_type_t::begin();
gt != ghost_type_t::end(); ++gt) {
GhostType ghost_type = *gt;
Mesh::type_iterator it = mesh.firstType(spatial_dimension,
ghost_type);
Mesh::type_iterator last_type = mesh.lastType(spatial_dimension,
ghost_type);
for(; it != last_type; ++it) {
UInt nb_element = mesh.getNbElement(*it, ghost_type);
Array<Real> & barycenter = barycenters(*it, ghost_type);
barycenter.resize(nb_element);
Array<Real>::iterator< Vector<Real> > bary_it
= barycenter.begin(spatial_dimension);
for (UInt elem = 0; elem < nb_element; ++elem, ++bary_it)
mesh.getBarycenter(elem, *it, bary_it->storage(), ghost_type);
}
}
AKANTU_DEBUG_INFO("Creating TestAccessor");
TestAccessor test_accessor(mesh, barycenters);
SynchronizerRegistry synch_registry(test_accessor);
synch_registry.registerSynchronizer(*communicator,_gst_test);
AKANTU_DEBUG_INFO("Synchronizing tag");
synch_registry.synchronize(_gst_test);
// Checking the tags in MeshData (not a very good test because they're all identical,
// but still...)
Mesh::type_iterator it = mesh.firstType(_all_dimensions);
Mesh::type_iterator last_type = mesh.lastType(_all_dimensions);
for (; it != last_type; ++it) {
Array<UInt> & tags = mesh.getData<UInt>("tag_0", *it);
Array<UInt>::const_vector_iterator tags_it = tags.begin(1);
Array<UInt>::const_vector_iterator tags_end = tags.end(1);
AKANTU_DEBUG_ASSERT(mesh.getNbElement(*it) == tags.getSize(),
"The number of tags does not match the number of elements on rank " << prank << ".");
std::cout << std::dec << " I am rank " << prank << " and here's my MeshData dump for types "
<< *it << " (it should contain " << mesh.getNbElement(*it)
<< " elements and it has " << tags.getSize() << "!) :" << std::endl;
std::cout << std::hex;
debug::setDebugLevel(dblTest);
for(; tags_it != tags_end; ++tags_it) {
std::cout << tags_it->operator()(0) << " ";
//AKANTU_DEBUG_ASSERT(*tags_it == 1, "The tag does not match the expected value on rank " << prank << " (got " << *tags_it << " instead.");
}
debug::setDebugLevel(dblInfo);
std::cout << std::endl;
}
// #ifdef AKANTU_USE_IOHELPER
// DumperParaview dumper("test-scotch-partition");
// dumper.registerMesh(mesh, spatial_dimension, _not_ghost);
// dumper.registerField("partitions",
// new DumperIOHelper::ElementPartitionField<>(mesh, spatial_dimension, _not_ghost));
// dumper.dump();
// DumperParaview dumper_ghost("test-scotch-partition-ghost");
// dumper_ghost.registerMesh(mesh, spatial_dimension, _ghost);
// dumper_ghost.registerField("partitions",
// new DumperIOHelper::ElementPartitionField<>(mesh, spatial_dimension, _ghost));
// dumper_ghost.dump();
// #endif //AKANTU_USE_IOHELPER
delete communicator;
finalize();
return EXIT_SUCCESS;
}

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