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/**
* @file static_communicator_dummy.hh
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date Wed Sep 01 17:57:12 2010
*
* @brief Class handling the parallel communications
*
* @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/>.
*
*/
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_STATIC_COMMUNICATOR_DUMMY_HH__
#define __AKANTU_STATIC_COMMUNICATOR_DUMMY_HH__
/* -------------------------------------------------------------------------- */
#include "aka_common.hh"
#include "real_static_communicator.hh"
/* -------------------------------------------------------------------------- */
#include <vector>
/* -------------------------------------------------------------------------- */
__BEGIN_AKANTU__
class StaticCommunicatorDummy : public RealStaticCommunicator {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
StaticCommunicatorDummy(__attribute__((unused)) int & argc,
__attribute__((unused)) char **& argv)
: RealStaticCommunicator(argc, argv) {
prank = 0;
psize = 1;
};
virtual ~StaticCommunicatorDummy(){};
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
template <typename T>
void
send(__attribute__((unused)) T * buffer, __attribute__((unused)) Int size,
__attribute__((unused)) Int receiver, __attribute__((unused)) Int tag) {}
template <typename T>
void receive(__attribute__((unused)) T * buffer,
__attribute__((unused)) Int size,
__attribute__((unused)) Int sender,
__attribute__((unused)) Int tag) {}
template <typename T>
CommunicationRequest * asyncSend(__attribute__((unused)) T * buffer,
__attribute__((unused)) Int size,
__attribute__((unused)) Int receiver,
__attribute__((unused)) Int tag) {
return new CommunicationRequest(0, 0);
}
template <typename T>
CommunicationRequest * asyncReceive(__attribute__((unused)) T * buffer,
__attribute__((unused)) Int size,
__attribute__((unused)) Int sender,
__attribute__((unused)) Int tag) {
return new CommunicationRequest(0, 0);
}
template <typename T>
inline void probe(__attribute__((unused)) Int sender,
__attribute__((unused)) Int tag,
__attribute__((unused)) CommunicationStatus & status) {}
bool testRequest(__attribute__((unused)) CommunicationRequest * request) {
return true;
};
void wait(__attribute__((unused)) CommunicationRequest * request){};
void waitAll(__attribute__((unused))
std::vector<CommunicationRequest *> & requests){};
void barrier(){};
template <typename T>
void allReduce(__attribute__((unused)) T * values,
__attribute__((unused)) int nb_values,
__attribute__((unused)) const SynchronizerOperation & op) {}
template <typename T>
inline void allGather(__attribute__((unused)) T * values,
__attribute__((unused)) int nb_values) {}
template <typename T>
inline void allGatherV(__attribute__((unused)) T * values,
__attribute__((unused)) int * nb_values) {}
template <typename T>
inline void gather(__attribute__((unused)) T * values,
__attribute__((unused)) int nb_values,
__attribute__((unused)) int root = 0) {}
template <typename T>
inline void gatherV(__attribute__((unused)) T * values,
__attribute__((unused)) int * nb_values,
__attribute__((unused)) int root = 0) {}
template <typename T>
inline void broadcast(__attribute__((unused)) T * values,
__attribute__((unused)) int nb_values,
__attribute__((unused)) int root = 0) {}
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
/* ------------------------------------------------------------------------ */
int getMaxTag() { return std::numeric_limits<int>::max(); }
int getMinTag() { return 0; }
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
};
__END_AKANTU__
#endif /* __AKANTU_STATIC_COMMUNICATOR_DUMMY_HH__ */
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