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mesh_partition_mesh_data.cc
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Sat, May 11, 21:40

mesh_partition_mesh_data.cc
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/**
* @file mesh_partition_mesh_data.cc
*
* @author Dana Christen <dana.christen@epfl.ch>
* @author David Simon Kammer <david.kammer@epfl.ch>
*
* @date creation: Fri May 03 2013
* @date last modification: Wed Nov 11 2015
*
* @brief implementation of the MeshPartitionMeshData class
*
* @section LICENSE
*
* Copyright (©) 2014, 2015 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 "mesh_partition_mesh_data.hh"
#if !defined(AKANTU_NDEBUG)
#include <set>
#endif
/* -------------------------------------------------------------------------- */
namespace akantu {
/* -------------------------------------------------------------------------- */
MeshPartitionMeshData::MeshPartitionMeshData(const Mesh & mesh,
UInt spatial_dimension,
const ID & id,
const MemoryID & memory_id)
: MeshPartition(mesh, spatial_dimension, id, memory_id) {
AKANTU_DEBUG_IN();
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
MeshPartitionMeshData::MeshPartitionMeshData(
const Mesh & mesh, const ElementTypeMapArray<UInt> & mapping,
UInt spatial_dimension, const ID & id, const MemoryID & memory_id)
: MeshPartition(mesh, spatial_dimension, id, memory_id),
partition_mapping(&mapping) {
AKANTU_DEBUG_IN();
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void MeshPartitionMeshData::partitionate(UInt nb_part,
__attribute__((unused))
const EdgeLoadFunctor & edge_load_func,
const Array<UInt> & pairs) {
AKANTU_DEBUG_IN();
tweakConnectivity(pairs);
nb_partitions = nb_part;
GhostType ghost_type = _not_ghost;
UInt spatial_dimension = mesh.getSpatialDimension();
Mesh::type_iterator it =
mesh.firstType(spatial_dimension, ghost_type, _ek_not_defined);
Mesh::type_iterator end =
mesh.lastType(spatial_dimension, ghost_type, _ek_not_defined);
UInt linearized_el = 0;
UInt nb_elements = mesh.getNbElement(mesh.getSpatialDimension(), ghost_type);
auto * partition_list = new Int[nb_elements];
#if !defined(AKANTU_NDEBUG)
std::set<UInt> partitions;
#endif
for (; it != end; ++it) {
ElementType type = *it;
const Array<UInt> & partition_array =
(*partition_mapping)(type, ghost_type);
Array<UInt>::const_iterator<Vector<UInt>> p_it = partition_array.begin(1);
Array<UInt>::const_iterator<Vector<UInt>> p_end = partition_array.end(1);
AKANTU_DEBUG_ASSERT(UInt(p_end - p_it) ==
mesh.getNbElement(type, ghost_type),
"The partition mapping does not have the right number "
<< "of entries for type " << type
<< " and ghost type " << ghost_type << "."
<< " Tags=" << p_end - p_it
<< " Mesh=" << mesh.getNbElement(type, ghost_type));
for (; p_it != p_end; ++p_it, ++linearized_el) {
partition_list[linearized_el] = (*p_it)(0);
#if !defined(AKANTU_NDEBUG)
partitions.insert((*p_it)(0));
#endif
}
}
#if !defined(AKANTU_NDEBUG)
AKANTU_DEBUG_ASSERT(partitions.size() == nb_part,
"The number of real partitions does not match with the "
"number of asked partitions");
#endif
fillPartitionInformation(mesh, partition_list);
delete[] partition_list;
restoreConnectivity();
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void MeshPartitionMeshData::reorder() { AKANTU_TO_IMPLEMENT(); }
/* -------------------------------------------------------------------------- */
void MeshPartitionMeshData::setPartitionMapping(
const ElementTypeMapArray<UInt> & mapping) {
partition_mapping = &mapping;
}
/* -------------------------------------------------------------------------- */
void MeshPartitionMeshData::setPartitionMappingFromMeshData(
const std::string & data_name) {
partition_mapping = &(mesh.getData<UInt>(data_name));
}
} // akantu

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