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rAKA/src/synchronizer/communication_descriptor_tmpl.hh
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communication_descriptor_tmpl.hh
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/**
* @file communication_descriptor_tmpl.hh
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date Tue Sep 6 14:03:16 2016
*
* @brief implementation of CommunicationDescriptor
*
* @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 "communication_descriptor.hh"
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_COMMUNICATION_DESCRIPTOR_TMPL_HH__
#define __AKANTU_COMMUNICATION_DESCRIPTOR_TMPL_HH__
namespace akantu {
/* -------------------------------------------------------------------------- */
/* Implementations */
/* -------------------------------------------------------------------------- */
template <class Entity>
CommunicationDescriptor<Entity>::CommunicationDescriptor(
Communication & communication, Array<Entity> & scheme,
Communications<Entity> & communications, const SynchronizationTag & tag,
UInt proc)
: communication(communication), scheme(scheme),
communications(communications), tag(tag), proc(proc),
rank(communications.getCommunicator().whoAmI()) {
counter = communications.getCounter(tag);
}
/* -------------------------------------------------------------------------- */
template <class Entity>
CommunicationBuffer & CommunicationDescriptor<Entity>::getBuffer() {
return communication.buffer();
}
/* -------------------------------------------------------------------------- */
template <class Entity>
CommunicationRequest & CommunicationDescriptor<Entity>::getRequest() {
return communication.request();
}
/* -------------------------------------------------------------------------- */
template <class Entity> void CommunicationDescriptor<Entity>::freeRequest() {
const StaticCommunicator & comm = communications.getCommunicator();
comm.testRequest(communication.request());
comm.freeCommunicationRequest(communication.request());
communications.decrementPending(tag, communication.type());
}
/* -------------------------------------------------------------------------- */
template <class Entity>
Array<Entity> & CommunicationDescriptor<Entity>::getScheme() {
return scheme;
}
template <class Entity>
void CommunicationDescriptor<Entity>::resetBuffer() {
this->communication.buffer().reset();
}
/* -------------------------------------------------------------------------- */
template <class Entity>
void CommunicationDescriptor<Entity>::packData(
DataAccessor<Entity> & accessor) {
AKANTU_DEBUG_ASSERT(
communication.type() == _send,
"Cannot pack data on communication that is not of type _send");
accessor.packData(communication.buffer(), scheme, tag);
}
/* -------------------------------------------------------------------------- */
template <class Entity>
void CommunicationDescriptor<Entity>::unpackData(
DataAccessor<Entity> & accessor) {
AKANTU_DEBUG_ASSERT(
communication.type() == _recv,
"Cannot unpack data from communication that is not of type _recv");
accessor.unpackData(communication.buffer(), scheme, tag);
}
/* -------------------------------------------------------------------------- */
template <class Entity>
void CommunicationDescriptor<Entity>::postSend(int hash_id) {
AKANTU_DEBUG_ASSERT(communication.type() == _send,
"Cannot send a communication that is not of type _send");
Tag comm_tag = Tag::genTag(rank, counter, tag, hash_id);
AKANTU_DEBUG_ASSERT(communication.buffer().getPackedSize() ==
communication.size(),
"a problem have been introduced with "
<< "false sent sizes declaration "
<< communication.buffer().getPackedSize()
<< " != " << communication.size());
AKANTU_DEBUG_INFO("Posting send to proc " << proc << " (tag: " << tag << " - "
<< communication.size()
<< " data to send) "
<< " [ " << comm_tag << " ]");
CommunicationRequest & request = communication.request();
request = communications.getCommunicator().asyncSend(communication.buffer(),
proc, comm_tag);
communications.incrementPending(tag, communication.type());
}
/* -------------------------------------------------------------------------- */
template <class Entity>
void CommunicationDescriptor<Entity>::postRecv(int hash_id) {
AKANTU_DEBUG_ASSERT(communication.type() == _recv,
"Cannot receive data for communication ("
<< communication.type()
<< ")that is not of type _recv");
Tag comm_tag = Tag::genTag(proc, counter, tag, hash_id);
AKANTU_DEBUG_INFO("Posting receive from proc "
<< proc << " (tag: " << tag << " - " << communication.size()
<< " data to receive) "
<< " [ " << comm_tag << " ]");
CommunicationRequest & request = communication.request();
request = communications.getCommunicator().asyncReceive(
communication.buffer(), proc, comm_tag);
communications.incrementPending(tag, communication.type());
}
} // akantu
#endif /* __AKANTU_COMMUNICATION_DESCRIPTOR_TMPL_HH__ */
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