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test_node_synchronizer.cc
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Thu, May 9, 08:28

test_node_synchronizer.cc
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/**
* @file test_node_synchronizer.cc
*
* @author Nicolas Richart
*
* @date creation Tue Apr 04 2017
*
* @brief test the default node synchronizer present in the mesh
*
* @section LICENSE
*
* Copyright (©) 2010-2011 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 "data_accessor.hh"
#include "mesh.hh"
#include "node_synchronizer.hh"
#include "static_communicator.hh"
/* -------------------------------------------------------------------------- */
#include <limits>
/* -------------------------------------------------------------------------- */
using namespace akantu;
class DataAccessorTest : public DataAccessor<UInt> {
public:
explicit DataAccessorTest(Array<int> & data) : data(data) {}
UInt getNbData(const Array<UInt> & nodes,
const SynchronizationTag &) const {
return nodes.getSize() * sizeof(int);
}
void packData(CommunicationBuffer & buffer, const Array<UInt> & nodes,
const SynchronizationTag &) const {
for (auto node : nodes) {
buffer << data(node);
}
}
void unpackData(CommunicationBuffer & buffer, const Array<UInt> & nodes,
const SynchronizationTag &) {
for (auto node : nodes) {
buffer >> data(node);
}
}
protected:
Array<int> & data;
};
int main(int argc, char * argv[]) {
initialize(argc, argv);
UInt spatial_dimension = 3;
Mesh mesh(spatial_dimension);
StaticCommunicator & comm = StaticCommunicator::getStaticCommunicator();
Int prank = comm.whoAmI();
if (prank == 0)
mesh.read("cube.msh");
mesh.distribute();
UInt nb_nodes = mesh.getNbNodes();
Array<int> node_data(nb_nodes);
constexpr int max_int = std::numeric_limits<int>::max();
for (UInt n = 0; n < nb_nodes; ++n) {
UInt gn = mesh.getNodeGlobalId(n);
if (mesh.isMasterNode(n))
node_data(n) = gn;
else if (mesh.isLocalNode(n))
node_data(n) = -gn;
else if (mesh.isSlaveNode(n))
node_data(n) = max_int;
else
node_data(n) = -max_int;
}
DataAccessorTest data_accessor(node_data);
auto & node_synchronizer = mesh.getNodeSynchronizer();
node_synchronizer.synchronize(data_accessor, _gst_test);
for (UInt n = 0; n < nb_nodes; ++n) {
int gn = mesh.getNodeGlobalId(n);
if(!((mesh.isMasterNode(n) && node_data(n) == gn) ||
(mesh.isLocalNode(n) && node_data(n) == -gn) ||
(mesh.isSlaveNode(n) && node_data(n) == gn) ||
(mesh.isPureGhostNode(n) && node_data(n) == -max_int)
)
)
{
debug::setDebugLevel(dblTest);
std::cout << "prank : " << prank << " (node " << gn << "[" << n << "]) - "
<< "( isMaster: " << mesh.isMasterNode(n) << " && " << node_data(n) << " == " << gn << ") "
<< "( isLocal: " << mesh.isLocalNode(n) << " && " << node_data(n) << " == " << - gn << ") "
<< "( isSlave: " << mesh.isSlaveNode(n) << " && " << node_data(n) << " == " << gn << ") "
<< "( isPureGhost: " << mesh.isPureGhostNode(n) << " && " << node_data(n) << " == " << -max_int << ") "
<< std::endl;
debug::setDebugLevel(dblDebug);
return -1;
}
}
finalize();
return 0;
}

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