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rAKA/src/synchronizer/pbc_synchronizer.cc
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pbc_synchronizer.cc
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/**
* @file pbc_synchronizer.cc
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
*
* @date creation: Mon Jun 20 2011
* @date last modification: Sun Oct 19 2014
*
* @brief implementation of the synchronizer for the pbc conditions
*
* @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/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "pbc_synchronizer.hh"
/* -------------------------------------------------------------------------- */
__BEGIN_AKANTU__
/* -------------------------------------------------------------------------- */
PBCSynchronizer::PBCSynchronizer(std::map<UInt,UInt> & pairs,
SynchronizerID id,
MemoryID memory_id):
Synchronizer(id,memory_id),pbc_pair(pairs){
}
/* -------------------------------------------------------------------------- */
void PBCSynchronizer::asynchronousSynchronize(DataAccessor & data_accessor,
SynchronizationTag tag){
if (size_buffer.find(tag) == size_buffer.end())
computeBufferSize(data_accessor, tag);
buffer.resize(size_buffer[tag]);
for (std::map<UInt,UInt>::iterator it = pbc_pair.begin();
it != pbc_pair.end();
++it) {
UInt node_master = it->second;
UInt node_slave = it->first;
AKANTU_DEBUG_INFO("packing node " << node_master);
data_accessor.packData(buffer, node_master, tag);
AKANTU_DEBUG_INFO("unpacking node " << node_slave);
data_accessor.unpackData(buffer, node_slave, tag);
}
}
/* -------------------------------------------------------------------------- */
void PBCSynchronizer::waitEndSynchronize(__attribute__((unused)) DataAccessor & data_accessor,
__attribute__((unused)) SynchronizationTag tag){
}
/* -------------------------------------------------------------------------- */
void PBCSynchronizer::computeBufferSize(DataAccessor & data_accessor,
SynchronizationTag tag) {
AKANTU_DEBUG_IN();
UInt size = 0;
for (std::map<UInt,UInt>::iterator it = pbc_pair.begin();
it != pbc_pair.end();++it) {
size += data_accessor.getNbDataToPack(tag);
}
size_buffer[tag] = size;
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
__END_AKANTU__
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