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communicator.cc
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/**
* @file communicator.cc
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Fri Jun 18 2010
* @date last modification: Mon Feb 05 2018
*
* @brief implementation of the common part of the static communicator
*
*
* Copyright (©) 2010-2018 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 "communicator.hh"
#if defined(AKANTU_USE_MPI)
#include "mpi_communicator_data.hh"
#endif
/* -------------------------------------------------------------------------- */
namespace akantu {
#if defined(AKANTU_USE_MPI)
int MPICommunicatorData::is_externaly_initialized = 0;
#endif
UInt InternalCommunicationRequest::counter = 0;
/* -------------------------------------------------------------------------- */
InternalCommunicationRequest::InternalCommunicationRequest(UInt source,
UInt dest)
: source(source), destination(dest) {
this->id = counter++;
}
/* -------------------------------------------------------------------------- */
InternalCommunicationRequest::~InternalCommunicationRequest() = default;
/* -------------------------------------------------------------------------- */
void InternalCommunicationRequest::printself(std::ostream & stream,
int indent) const {
std::string space(indent, AKANTU_INDENT);
stream << space << "CommunicationRequest [" << std::endl;
stream << space << " + id : " << id << std::endl;
stream << space << " + source : " << source << std::endl;
stream << space << " + destination : " << destination << std::endl;
stream << space << "]" << std::endl;
}
/* -------------------------------------------------------------------------- */
Communicator::~Communicator() {
auto * event = new FinalizeCommunicatorEvent(*this);
this->sendEvent(*event);
delete event;
}
/* -------------------------------------------------------------------------- */
Communicator & Communicator::getStaticCommunicator() {
AKANTU_DEBUG_IN();
if (!static_communicator) {
int nb_args = 0;
char ** null = nullptr;
static_communicator =
std::make_unique<Communicator>(nb_args, null, private_member{});
}
AKANTU_DEBUG_OUT();
return *static_communicator;
}
/* -------------------------------------------------------------------------- */
Communicator & Communicator::getStaticCommunicator(int & argc, char **& argv) {
if (!static_communicator) {
static_communicator =
std::make_unique<Communicator>(argc, argv, private_member{});
}
return getStaticCommunicator();
}
} // namespace akantu
#ifdef AKANTU_USE_MPI
#include "communicator_mpi_inline_impl.hh"
#else
#include "communicator_dummy_inline_impl.hh"
#endif
namespace akantu {
/* -------------------------------------------------------------------------- */
/* Template instantiation */
/* -------------------------------------------------------------------------- */
#define AKANTU_COMM_INSTANTIATE(T) \
template void Communicator::probe<T>(Int sender, Int tag, \
CommunicationStatus & status) const; \
template bool Communicator::asyncProbe<T>( \
Int sender, Int tag, CommunicationStatus & status) const; \
template void Communicator::sendImpl<T>( \
const T * buffer /*NOLINT*/, Int size, Int receiver, Int tag, \
const CommunicationMode & mode) const; \
template void Communicator::receiveImpl<T>(T * buffer /*NOLINT*/, Int size, \
Int sender, Int tag) const; \
template CommunicationRequest Communicator::asyncSendImpl<T>( \
const T * buffer /*NOLINT*/, Int size, Int receiver, Int tag, \
const CommunicationMode & mode) const; \
template CommunicationRequest Communicator::asyncReceiveImpl<T>( \
T * buffer /* NOLINT */, Int size, Int sender, Int tag) const; \
template void Communicator::allGatherImpl<T>(T * values /*NOLINT*/, \
int nb_values) const; \
template void Communicator::allGatherVImpl<T>(T * values /*NOLINT*/, \
int * nb_values) const; \
template void Communicator::gatherImpl<T>(T * values /*NOLINT*/, \
int nb_values, int root) const; \
template void Communicator::gatherImpl<T>( \
T * values /*NOLINT*/, int nb_values, T * gathered /*NOLINT*/, \
int nb_gathered) const; \
template void Communicator::gatherVImpl<T>(T * values /*NOLINT*/, \
int * nb_values, int root) const; \
template void Communicator::broadcastImpl<T>(T * values /*NOLINT*/, \
int nb_values, int root) const; \
template void Communicator::allReduceImpl<T>( \
T * values /*NOLINT*/, int nb_values, SynchronizerOperation op) const; \
template void Communicator::scanImpl<T>(T * values /*NOLINT*/, \
T * /*NOLINT*/, int nb_values, \
SynchronizerOperation op) const; \
template void Communicator::exclusiveScanImpl<T>( \
T * values /*NOLINT*/, T * /*NOLINT*/, int nb_values, \
SynchronizerOperation op) const
#define MIN_MAX_REAL SCMinMaxLoc<Real, int>
#if !defined(DOXYGEN)
AKANTU_COMM_INSTANTIATE(bool);
AKANTU_COMM_INSTANTIATE(Real);
AKANTU_COMM_INSTANTIATE(UInt);
AKANTU_COMM_INSTANTIATE(Int);
AKANTU_COMM_INSTANTIATE(char);
AKANTU_COMM_INSTANTIATE(NodeFlag);
AKANTU_COMM_INSTANTIATE(MIN_MAX_REAL);
#if AKANTU_INTEGER_SIZE > 4
AKANTU_COMM_INSTANTIATE(int);
#endif
#endif
// template void Communicator::send<SCMinMaxLoc<Real, int>>(
// SCMinMaxLoc<Real, int> * buffer, Int size, Int receiver, Int tag);
// template void Communicator::receive<SCMinMaxLoc<Real, int>>(
// SCMinMaxLoc<Real, int> * buffer, Int size, Int sender, Int tag);
// template CommunicationRequest
// Communicator::asyncSend<SCMinMaxLoc<Real, int>>(
// SCMinMaxLoc<Real, int> * buffer, Int size, Int receiver, Int tag);
// template CommunicationRequest
// Communicator::asyncReceive<SCMinMaxLoc<Real, int>>(
// SCMinMaxLoc<Real, int> * buffer, Int size, Int sender, Int tag);
// template void Communicator::probe<SCMinMaxLoc<Real, int>>(
// Int sender, Int tag, CommunicationStatus & status);
// template void Communicator::allGather<SCMinMaxLoc<Real, int>>(
// SCMinMaxLoc<Real, int> * values, int nb_values);
// template void Communicator::allGatherV<SCMinMaxLoc<Real, int>>(
// SCMinMaxLoc<Real, int> * values, int * nb_values);
// template void Communicator::gather<SCMinMaxLoc<Real, int>>(
// SCMinMaxLoc<Real, int> * values, int nb_values, int root);
// template void Communicator::gatherV<SCMinMaxLoc<Real, int>>(
// SCMinMaxLoc<Real, int> * values, int * nb_values, int root);
// template void Communicator::broadcast<SCMinMaxLoc<Real, int>>(
// SCMinMaxLoc<Real, int> * values, int nb_values, int root);
// template void Communicator::allReduce<SCMinMaxLoc<Real, int>>(
// SCMinMaxLoc<Real, int> * values, int nb_values,
// const SynchronizerOperation & op);
} // namespace akantu

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