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Wed, Dec 4, 07:54

element_info_per_processor.hh
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/**
* @file element_info_per_processor.hh
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Wed Mar 16 2016
* @date last modification: Fri Jul 24 2020
*
* @brief Helper classes to create the distributed synchronizer and distribute
* a mesh
*
*
* @section LICENSE
*
* Copyright (©) 2016-2021 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/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "aka_common.hh"
#include "communication_buffer.hh"
#include "mesh.hh"
#include "mesh_accessor.hh"
/* -------------------------------------------------------------------------- */
#ifndef AKANTU_ELEMENT_INFO_PER_PROCESSOR_HH_
#define AKANTU_ELEMENT_INFO_PER_PROCESSOR_HH_
namespace akantu {
class ElementSynchronizer;
class Communicator;
class MeshPartition;
} // namespace akantu
/* -------------------------------------------------------------------------- */
namespace akantu {
class ElementInfoPerProc : protected MeshAccessor {
public:
ElementInfoPerProc(ElementSynchronizer & synchronizer, UInt message_cnt,
UInt root, ElementType type);
bool synchronize();
protected:
virtual void synchronizeConnectivities() = 0;
virtual void synchronizePartitions() = 0;
virtual void synchronizeTags() = 0;
virtual void synchronizeGroups() = 0;
virtual bool needSynchronize() = 0;
protected:
void fillCommunicationScheme(const Array<UInt> & partition);
template <class CommunicationBuffer>
void fillElementGroupsFromBuffer(CommunicationBuffer & buffer);
template <typename T, typename BufferType>
void fillMeshDataTemplated(BufferType & buffer, const std::string & tag_name,
UInt nb_component);
template <typename BufferType>
void fillMeshData(BufferType & buffer, const std::string & tag_name,
const MeshDataTypeCode & type_code, UInt nb_component);
protected:
ElementSynchronizer & synchronizer;
UInt rank{0};
UInt nb_proc{1};
UInt root{0};
ElementType type{_not_defined};
UInt nb_tags{0};
UInt nb_nodes_per_element{0};
UInt nb_element{0};
UInt nb_local_element{0};
UInt nb_ghost_element{0};
UInt message_count{0};
Mesh & mesh;
const Communicator & comm;
};
/* -------------------------------------------------------------------------- */
class MasterElementInfoPerProc : public ElementInfoPerProc {
public:
MasterElementInfoPerProc(ElementSynchronizer & synchronizer, UInt message_cnt,
UInt root, ElementType type,
const MeshPartition & partition);
protected:
void synchronizeConnectivities() override;
void synchronizePartitions() override;
void synchronizeTags() override;
void synchronizeGroups() override;
bool needSynchronize() override { return type != _not_defined; }
protected:
template <typename T>
void fillTagBufferTemplated(std::vector<DynamicCommunicationBuffer> & buffers,
const std::string & tag_name);
void fillTagBuffer(std::vector<DynamicCommunicationBuffer> & buffers,
const std::string & tag_name);
private:
const MeshPartition & partition;
Vector<UInt> all_nb_local_element;
Vector<UInt> all_nb_ghost_element;
Vector<UInt> all_nb_element_to_send;
};
/* -------------------------------------------------------------------------- */
class SlaveElementInfoPerProc : public ElementInfoPerProc {
public:
SlaveElementInfoPerProc(ElementSynchronizer & synchronizer, UInt message_cnt,
UInt root);
protected:
void synchronizeConnectivities() override;
void synchronizePartitions() override;
void synchronizeTags() override;
void synchronizeGroups() override;
bool needSynchronize() override;
private:
UInt nb_element_to_receive{0};
};
} // namespace akantu
#include "element_info_per_processor_tmpl.hh"
#endif /* AKANTU_ELEMENT_INFO_PER_PROCESSOR_HH_ */

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