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rAKA/src/synchronizer/node_synchronizer.hh
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node_synchronizer.hh
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/**
* @file node_synchronizer.hh
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Tue Nov 08 2016
* @date last modification: Tue Feb 20 2018
*
* @brief Synchronizer for nodal information
*
* @section LICENSE
*
* Copyright (©) 2016-2018 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_events.hh"
#include "synchronizer_impl.hh"
/* -------------------------------------------------------------------------- */
#include <unordered_map>
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_NODE_SYNCHRONIZER_HH__
#define __AKANTU_NODE_SYNCHRONIZER_HH__
namespace akantu {
class NodeSynchronizer : public MeshEventHandler,
public SynchronizerImpl<UInt> {
public:
NodeSynchronizer(Mesh & mesh, const ID & id = "element_synchronizer",
MemoryID memory_id = 0,
const bool register_to_event_manager = true,
EventHandlerPriority event_priority = _ehp_synchronizer);
~NodeSynchronizer() override;
/* ------------------------------------------------------------------------ */
/// Uses the synchronizer to perform a reduction on the vector
template <template <class> class Op, typename T>
void reduceSynchronize(Array<T> & array) const;
/* ------------------------------------------------------------------------ */
template <typename T>
void synchronize(Array<T> & array) const;
friend class NodeInfoPerProc;
UInt sanityCheckDataSize(const Array<UInt> & nodes,
const SynchronizationTag & tag,
bool from_comm_desc) const override;
void packSanityCheckData(CommunicationBuffer & buffer,
const Array<UInt> & nodes,
const SynchronizationTag & /*tag*/) const override;
void unpackSanityCheckData(CommunicationBuffer & buffer,
const Array<UInt> & nodes,
const SynchronizationTag & tag, UInt proc,
UInt rank) const override;
/// function to implement to react on akantu::NewNodesEvent
void onNodesAdded(const Array<UInt> &, const NewNodesEvent &) override;
/// function to implement to react on akantu::RemovedNodesEvent
void onNodesRemoved(const Array<UInt> &, const Array<UInt> &,
const RemovedNodesEvent &) override {}
/// function to implement to react on akantu::NewElementsEvent
void onElementsAdded(const Array<Element> &,
const NewElementsEvent &) override {}
/// function to implement to react on akantu::RemovedElementsEvent
void onElementsRemoved(const Array<Element> &,
const ElementTypeMapArray<UInt> &,
const RemovedElementsEvent &) override {}
/// function to implement to react on akantu::ChangedElementsEvent
void onElementsChanged(const Array<Element> &, const Array<Element> &,
const ElementTypeMapArray<UInt> &,
const ChangedElementsEvent &) override {}
/* ------------------------------------------------------------------------ */
NodeSynchronizer & operator=(const NodeSynchronizer & other) {
copySchemes(other);
return *this;
}
public:
AKANTU_GET_MACRO(Mesh, mesh, Mesh &);
protected:
Int getRank(const UInt & node) const final;
protected:
Mesh & mesh;
// std::unordered_map<UInt, Int> node_to_prank;
};
/* -------------------------------------------------------------------------- */
template <template <class> class Op, typename T>
void NodeSynchronizer::reduceSynchronize(Array<T> & array) const {
ReduceDataAccessor<UInt, Op, T> data_accessor(array, _gst_whatever);
this->slaveReductionOnceImpl(data_accessor, _gst_whatever);
this->synchronize(array);
}
/* -------------------------------------------------------------------------- */
template <typename T> void NodeSynchronizer::synchronize(Array<T> & array) const {
SimpleUIntDataAccessor<T> data_accessor(array, _gst_whatever);
this->synchronizeOnce(data_accessor, _gst_whatever);
}
} // namespace akantu
#endif /* __AKANTU_NODE_SYNCHRONIZER_HH__ */
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