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rAKA/src/synchronizer/element_synchronizer.hh
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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: Wed Mar 04 2020
*
* @brief Main element synchronizer
*
*
* @section LICENSE
*
* Copyright (©) 2010-2021 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",
bool register_to_event_manager = true,
EventHandlerPriority event_priority = _ehp_synchronizer);
ElementSynchronizer(const ElementSynchronizer & other,
const ID & id = "element_synchronizer_copy",
bool register_to_event_manager = true,
EventHandlerPriority event_priority = _ehp_synchronizer);
public:
~ElementSynchronizer() override;
friend class ElementInfoPerProc;
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
/* ------------------------------------------------------------------------ */
/// mesh event handler onElementsChanged
void onElementsChanged(const Array<Element> & old_elements_list,
const Array<Element> & new_elements_list,
const ElementTypeMapArray<UInt> & new_numbering,
const ChangedElementsEvent & event) override;
/// mesh event handler onRemovedElement
void onElementsRemoved(const Array<Element> & element_to_remove,
const ElementTypeMapArray<UInt> & new_numbering,
const RemovedElementsEvent & event) override;
protected:
/// 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);
/// build processor to element correspondence
void buildElementToPrank();
protected:
/// fill the nodes type vector
void fillNodesType(const MeshData & mesh_data,
DynamicCommunicationBuffer * buffers,
const std::string & tag_name, ElementType el_type,
const Array<UInt> & partition_num);
template <typename T>
void fillTagBufferTemplated(const MeshData & mesh_data,
DynamicCommunicationBuffer * buffers,
const std::string & tag_name, 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, 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, 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, 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, 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,
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 */
/* ------------------------------------------------------------------------ */
UInt sanityCheckDataSize(const Array<Element> & elements,
const SynchronizationTag & tag,
bool from_comm_desc = true) const override;
void packSanityCheckData(CommunicationBuffer & /*buffer*/,
const Array<Element> & /*elements*/,
const SynchronizationTag & /*tag*/) const override;
void unpackSanityCheckData(CommunicationBuffer & /*buffer*/,
const Array<Element> & /*elements*/,
const SynchronizationTag & /*tag*/, UInt /*proc*/,
UInt /*rank*/) const override;
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
AKANTU_GET_MACRO(Mesh, mesh, Mesh &);
AKANTU_GET_MACRO(ElementToRank, element_to_prank,
const ElementTypeMapArray<Int> &);
Int getRank(const Element & element) const final;
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
protected:
/// reference to the underlying mesh
Mesh & mesh;
friend class FacetSynchronizer;
ElementTypeMapArray<Int> element_to_prank;
};
/* -------------------------------------------------------------------------- */
} // namespace akantu
#endif /* AKANTU_ELEMENT_SYNCHRONIZER_HH_ */
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