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rAKA/src/synchronizer/static_communicator_dummy.hh
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static_communicator_dummy.hh
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/**
* @file static_communicator_dummy.hh
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Fri Jun 18 2010
* @date last modification: Wed Jan 13 2016
*
* @brief Dummy communicator to make everything work im sequential
*
* @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/>.
*
*/
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_STATIC_COMMUNICATOR_DUMMY_HH__
#define __AKANTU_STATIC_COMMUNICATOR_DUMMY_HH__
/* -------------------------------------------------------------------------- */
#include "aka_common.hh"
#include "real_static_communicator.hh"
/* -------------------------------------------------------------------------- */
#include <cstring>
#include <vector>
/* -------------------------------------------------------------------------- */
namespace akantu {
class StaticCommunicatorDummy : public RealStaticCommunicator {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
StaticCommunicatorDummy(int & argc, char **& argv)
: RealStaticCommunicator(argc, argv) {
this->prank = 0;
this->psize = 1;
}
virtual ~StaticCommunicatorDummy() {}
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
template <typename T> void send(T *, Int, Int, Int) {}
template <typename T> void receive(T *, Int, Int, Int) {}
template <typename T> CommunicationRequest asyncSend(T *, Int, Int, Int) {
return std::shared_ptr<InternalCommunicationRequest>(
new InternalCommunicationRequest(0, 0));
}
template <typename T> CommunicationRequest asyncReceive(T *, Int, Int, Int) {
return std::shared_ptr<InternalCommunicationRequest>(
new InternalCommunicationRequest(0, 0));
}
template <typename T> inline void probe(Int, Int, CommunicationStatus &) {}
bool testRequest(CommunicationRequest &) { return true; }
void wait(CommunicationRequest &) {}
void waitAll(std::vector<CommunicationRequest> &) {}
UInt waitAny(std::vector<CommunicationRequest> &) { return UInt(-1); }
void barrier() {}
template <typename T>
void reduce(T *, int, const SynchronizerOperation &, int) {}
template <typename T>
void allReduce(T *, int, const SynchronizerOperation &) {}
template <typename T> inline void allGather(T *, int) {}
template <typename T> inline void allGatherV(T *, int *) {}
template <typename T> inline void gather(T *, int, int = 0) {}
template <typename T>
inline void gather(T * values, int nb_values, T * gathered, int) {
std::memcpy(gathered, values, nb_values);
}
template <typename T> inline void gatherV(T *, int *, int = 0) {}
template <typename T> inline void broadcast(T *, int, int = 0) {}
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
/* ------------------------------------------------------------------------ */
int getMaxTag() { return std::numeric_limits<int>::max(); }
int getMinTag() { return 0; }
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
};
} // akantu
#endif /* __AKANTU_STATIC_COMMUNICATOR_DUMMY_HH__ */
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