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element_synchronizer.hh
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/**
* @file element_synchronizer.hh
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
* @author Dana Christen <dana.christen@epfl.ch>
* @author Aurelia Isabel Cuba Ramos <aurelia.cubaramos@epfl.ch>
* @author Nicolas Richart <nicolas.richart@epfl.ch>
* @author Marco Vocialta <marco.vocialta@epfl.ch>
*
* @date creation: Fri Jun 18 2010
* @date last modification: Tue Dec 08 2015
*
* @brief Main element synchronizer
*
* @section LICENSE
*
* Copyright (©) 2010-2012, 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/>.
*
*/
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_ELEMENT_SYNCHRONIZER_HH__
#define __AKANTU_ELEMENT_SYNCHRONIZER_HH__
/* -------------------------------------------------------------------------- */
#include "aka_array.hh"
#include "aka_common.hh"
#include "mesh_partition.hh"
#include "synchronizer_impl.hh"
namespace akantu {
class Mesh;
}
/* -------------------------------------------------------------------------- */
namespace akantu {
class ElementSynchronizer : public SynchronizerImpl<Element>,
public MeshEventHandler {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
ElementSynchronizer(
Mesh & mesh, const ID & id = "element_synchronizer",
MemoryID memory_id = 0, const bool register_to_event_manager = true,
const StaticCommunicator & comm = StaticCommunicator::getStaticCommunicator());
public:
virtual ~ElementSynchronizer();
friend class ElementInfoPerProc;
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
/// get a mesh and a partition and create the local mesh and the associated
/// ElementSynchronizer
static ElementSynchronizer * createElementSynchronizer(
Mesh & mesh, const MeshPartition * partition, UInt root = 0,
SynchronizerID id = "element_synchronizer", MemoryID memory_id = 0);
/* ------------------------------------------------------------------------ */
/// build processor to element correspondence
void buildPrankToElement();
/// mesh event handler onElementsChanged
virtual void
onElementsChanged(const Array<Element> & old_elements_list,
const Array<Element> & new_elements_list,
const ElementTypeMapArray<UInt> & new_numbering,
const ChangedElementsEvent & event);
/// mesh event handler onRemovedElement
virtual void
onElementsRemoved(const Array<Element> & element_list,
const ElementTypeMapArray<UInt> & new_numbering,
const RemovedElementsEvent & event);
/// mesh event handler onNodesAdded
virtual void onNodesAdded(__attribute__((unused))
const Array<UInt> & nodes_list,
__attribute__((unused))
const NewNodesEvent & event){};
/// mesh event handler onRemovedNodes
virtual void
onNodesRemoved(__attribute__((unused)) const Array<UInt> & nodes_list,
__attribute__((unused)) const Array<UInt> & new_numbering,
__attribute__((unused)) const RemovedNodesEvent & event){};
/// mesh event handler onElementsAdded
virtual void onElementsAdded(__attribute__((unused))
const Array<Element> & elements_list,
__attribute__((unused))
const NewElementsEvent & event){};
/// filter elements of a certain kind and copy them into a new synchronizer
void filterElementsByKind(ElementSynchronizer * new_synchronizer,
ElementKind kind);
/// reset send and recv element lists
void reset();
/// remove elements from the synchronizer without renumbering them
void removeElements(const Array<Element> & element_to_remove);
/// renumber the elements in the synchronizer
void renumberElements(const ElementTypeMapArray<UInt> & new_numbering);
protected:
/// fill the nodes type vector
void fillNodesType(const MeshData & mesh_data,
DynamicCommunicationBuffer * buffers,
const std::string & tag_name, const ElementType & el_type,
const Array<UInt> & partition_num);
template <typename T>
void fillTagBufferTemplated(const MeshData & mesh_data,
DynamicCommunicationBuffer * buffers,
const std::string & tag_name,
const ElementType & el_type,
const Array<UInt> & partition_num,
const CSR<UInt> & ghost_partition);
void fillTagBuffer(const MeshData & mesh_data,
DynamicCommunicationBuffer * buffers,
const std::string & tag_name, const ElementType & el_type,
const Array<UInt> & partition_num,
const CSR<UInt> & ghost_partition);
/// function that handels the MeshData to be split (root side)
static void synchronizeTagsSend(ElementSynchronizer & communicator, UInt root,
Mesh & mesh, UInt nb_tags,
const ElementType & type,
const Array<UInt> & partition_num,
const CSR<UInt> & ghost_partition,
UInt nb_local_element, UInt nb_ghost_element);
/// function that handles the MeshData to be split (other nodes)
static void synchronizeTagsRecv(ElementSynchronizer & communicator, UInt root,
Mesh & mesh, UInt nb_tags,
const ElementType & type,
UInt nb_local_element, UInt nb_ghost_element);
/// function that handles the preexisting groups in the mesh
static void synchronizeElementGroups(ElementSynchronizer & communicator,
UInt root, Mesh & mesh,
const ElementType & type,
const Array<UInt> & partition_num,
const CSR<UInt> & ghost_partition,
UInt nb_element);
/// function that handles the preexisting groups in the mesh
static void synchronizeElementGroups(ElementSynchronizer & communicator,
UInt root, Mesh & mesh,
const ElementType & type);
/// function that handles the preexisting groups in the mesh
static void synchronizeNodeGroupsMaster(ElementSynchronizer & communicator,
UInt root, Mesh & mesh);
/// function that handles the preexisting groups in the mesh
static void synchronizeNodeGroupsSlaves(ElementSynchronizer & communicator,
UInt root, Mesh & mesh);
template <class CommunicationBuffer>
static void fillNodeGroupsFromBuffer(ElementSynchronizer & communicator,
Mesh & mesh,
CommunicationBuffer & buffer);
/// substitute elements in the send and recv arrays
void
substituteElements(const std::map<Element, Element> & old_to_new_elements);
/* ------------------------------------------------------------------------ */
/* Sanity checks */
/* ------------------------------------------------------------------------ */
virtual UInt sanityCheckDataSize(const Array<Element> & elements,
const SynchronizationTag & tag) const;
/* ------------------------------------------------------------------------ */
virtual void
packSanityCheckData(CommunicationDescriptor<Element> & comm_desc) const;
/* ------------------------------------------------------------------------ */
virtual void
unpackSanityCheckData(CommunicationDescriptor<Element> & comm_desc) const;
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
AKANTU_GET_MACRO(PrankToElement, prank_to_element,
const ElementTypeMapArray<UInt> &);
AKANTU_GET_MACRO(Mesh, mesh, const Mesh &);
AKANTU_GET_MACRO_NOT_CONST(Mesh, mesh, Mesh &);
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
protected:
/// reference to the underlying mesh
Mesh & mesh;
friend class FilteredSynchronizer;
friend class FacetSynchronizer;
ElementTypeMapArray<UInt> prank_to_element;
};
/* -------------------------------------------------------------------------- */
}
#endif /* __AKANTU_ELEMENT_SYNCHRONIZER_HH__ */

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