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communications_tmpl.hh
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			/**
			* @file communications_tmpl.hh
			*
			* @author Nicolas Richart <nicolas.richart@epfl.ch>
			*
			* @date Tue Sep 6 17:14:06 2016
			*
			* @brief Implementation of 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/>.
			*
			*/

			/* -------------------------------------------------------------------------- */
			#include "communications.hh"
			/* -------------------------------------------------------------------------- */

			#ifndef __AKANTU_COMMUNICATIONS_TMPL_HH__
			#define __AKANTU_COMMUNICATIONS_TMPL_HH__

			namespace akantu {

			/* -------------------------------------------------------------------------- */
			template <class Entity> class Communications<Entity>::iterator {
			typedef
			typename std::map<UInt, Communication>::iterator communication_iterator;

			public:
			iterator() : communications(NULL) {}
			iterator(scheme_iterator scheme_it, communication_iterator comm_it,
			Communications<Entity> & communications,
			const SynchronizationTag & tag)
			: scheme_it(scheme_it), comm_it(comm_it), communications(&communications),
			tag(tag) {}

			iterator & operator=(const iterator & other) {
			if (this != &other) {
			this->scheme_it = other.scheme_it;
			this->comm_it = other.comm_it;
			this->communications = other.communications;
			this->tag = other.tag;
			}
			return *this;
			}

			iterator & operator++() {
			++scheme_it;
			++comm_it;
			return *this;
			}

			CommunicationDescriptor<Entity> operator*() {
			AKANTU_DEBUG_ASSERT(
			scheme_it->first == comm_it->first,
			"The two iterators are not in phase, something wrong"
			<< " happened, time to take out your favorite debugger ("
			<< scheme_it->first << " != " << comm_it->first << ")");
			return CommunicationDescriptor<Entity>(comm_it->second, scheme_it->second,
			*communications, tag,
			scheme_it->first);
			}

			bool operator==(const iterator & other) const {
			return scheme_it == other.scheme_it && comm_it == other.comm_it;
			}

			bool operator!=(const iterator & other) const {
			return scheme_it != other.scheme_it \|\| comm_it != other.comm_it;
			}

			private:
			scheme_iterator scheme_it;
			communication_iterator comm_it;
			Communications<Entity> * communications;
			SynchronizationTag tag;
			};

			/* -------------------------------------------------------------------------- */
			template <class Entity> class Communications<Entity>::tag_iterator {
			typedef std::map<SynchronizationTag, UInt>::const_iterator internal_iterator;

			public:
			tag_iterator(const internal_iterator & it) : it(it) {}
			tag_iterator & operator++() {
			++it;
			return *this;
			}
			SynchronizationTag operator*() { return it->first; }
			bool operator==(const tag_iterator & other) const { return it == other.it; }
			bool operator!=(const tag_iterator & other) const { return it != other.it; }

			private:
			internal_iterator it;
			};

			/* -------------------------------------------------------------------------- */
			template <class Entity>
			typename Communications<Entity>::CommunicationPerProcs &
			Communications<Entity>::getCommunications(const SynchronizationTag & tag,
			const CommunicationSendRecv & sr) {
			auto comm_it = this->communications[sr].find(tag);
			if (comm_it == this->communications[sr].end())
			AKANTU_CUSTOM_EXCEPTION_INFO(
			debug::CommunicationException(),
			"No known communications for the tag: " << tag);
			return comm_it->second;
			}

			/* ---------------------------------------------------------------------- */
			template <class Entity>
			UInt Communications<Entity>::getPending(
			const SynchronizationTag & tag, const CommunicationSendRecv & sr) const {
			const std::map<SynchronizationTag, UInt> & pending =
			pending_communications[sr];
			auto it = pending.find(tag);

			if (it == pending.end())
			return 0;
			return it->second;
			}

			/* -------------------------------------------------------------------------- */
			template <class Entity>
			bool Communications<Entity>::hasPending(
			const SynchronizationTag & tag, const CommunicationSendRecv & sr) const {
			return this->hasCommunication(tag) && (this->getPending(tag, sr) != 0);
			}

			/* ---------------------------------------------------------------------- */
			template <class Entity>
			typename Communications<Entity>::iterator
			Communications<Entity>::begin(const SynchronizationTag & tag,
			const CommunicationSendRecv & sr) {
			auto & comms = this->getCommunications(tag, sr);
			return iterator(this->schemes[sr].begin(), comms.begin(), *this, tag);
			}

			template <class Entity>
			typename Communications<Entity>::iterator
			Communications<Entity>::end(const SynchronizationTag & tag,
			const CommunicationSendRecv & sr) {
			auto & comms = this->getCommunications(tag, sr);
			return iterator(this->schemes[sr].end(), comms.end(), *this, tag);
			}

			/* ---------------------------------------------------------------------- */
			template <class Entity>
			typename Communications<Entity>::iterator
			Communications<Entity>::waitAny(const SynchronizationTag & tag,
			const CommunicationSendRecv & sr) {
			auto & comms = this->getCommunications(tag, sr);
			auto it = comms.begin();
			auto end = comms.end();

			std::vector<CommunicationRequest> requests;

			for (; it != end; ++it) {
			auto & request = it->second.request();
			if(!request.isFreed())
			requests.push_back(request);
			}

			UInt req_id = communicator.waitAny(requests);
			if (req_id != UInt(-1)) {
			auto & request = requests[req_id];
			UInt proc = sr == _recv ? request.getSource() : request.getDestination();

			return iterator(this->schemes[sr].find(proc), comms.find(proc), *this, tag);
			} else {
			return this->end(tag, sr);
			}
			}

			/* ---------------------------------------------------------------------- */
			template <class Entity>
			void Communications<Entity>::waitAll(const SynchronizationTag & tag,
			const CommunicationSendRecv & sr) {
			auto & comms = this->getCommunications(tag, sr);
			auto it = comms.begin();
			auto end = comms.end();

			std::vector<CommunicationRequest> requests;

			for (; it != end; ++it) {
			requests.push_back(it->second.request());
			}

			communicator.waitAll(requests);
			}

			template <class Entity>
			void Communications<Entity>::incrementPending(
			const SynchronizationTag & tag, const CommunicationSendRecv & sr) {
			++(pending_communications[sr][tag]);
			}

			template <class Entity>
			void Communications<Entity>::decrementPending(
			const SynchronizationTag & tag, const CommunicationSendRecv & sr) {
			--(pending_communications[sr][tag]);
			}

			template <class Entity>
			void Communications<Entity>::freeRequests(const SynchronizationTag & tag,
			const CommunicationSendRecv & sr) {
			iterator it = this->begin(tag, sr);
			iterator end = this->end(tag, sr);

			for (; it != end; ++it) {
			(*it).freeRequest();
			}
			}

			/* -------------------------------------------------------------------------- */
			template <class Entity>
			typename Communications<Entity>::Scheme &
			Communications<Entity>::createScheme(UInt proc,
			const CommunicationSendRecv & sr) {
			// scheme_iterator it = schemes[sr].find(proc);
			// if (it != schemes[sr].end()) {
			// AKANTU_CUSTOM_EXCEPTION_INFO(debug::CommunicationException(),
			// "Communication scheme("
			// << sr
			// << ") already created for proc: " <<
			// proc);
			// }
			return schemes[sr][proc];
			}

			template <class Entity>
			void Communications<Entity>::resetSchemes(const CommunicationSendRecv & sr) {
			scheme_iterator it = this->schemes[sr].begin();
			scheme_iterator end = this->schemes[sr].end();
			for (; it != end; ++it) {
			it->second.resize(0);
			}
			}

			/* -------------------------------------------------------------------------- */
			template <class Entity>
			void Communications<Entity>::setCommunicationSize(
			const SynchronizationTag & tag, UInt proc, UInt size,
			const CommunicationSendRecv & sr) {
			// accessor that creates if it does not exists
			auto & comms = this->communications[sr];
			auto & comms_per_tag = comms[tag];

			comms_per_tag[proc].resize(size);
			}

			/* -------------------------------------------------------------------------- */
			template <class Entity>
			void Communications<Entity>::initializeCommunications(
			const SynchronizationTag & tag) {

			for (auto t = send_recv_t::begin(); t != send_recv_t::end(); ++t) {
			pending_communications[*t].insert(std::make_pair(tag, 0));

			auto & comms = this->communications[*t];
			auto & comms_per_tag =
			comms.insert(std::make_pair(tag, CommunicationPerProcs()))
			.first->second;

			for (auto pair : this->schemes[*t]) {
			comms_per_tag.emplace(std::piecewise_construct,
			std::forward_as_tuple(pair.first),
			std::forward_as_tuple(*t));
			}
			}

			comm_counter.insert(std::make_pair(tag, 0));
			}

			/* -------------------------------------------------------------------------- */
			template <class Entity>
			Communications<Entity>::Communications(const StaticCommunicator & communicator)
			: communicator(communicator) {}

			/* ---------------------------------------------------------------------- */
			template <class Entity>
			typename Communications<Entity>::iterator
			Communications<Entity>::begin_send(const SynchronizationTag & tag) {
			return this->begin(tag, _send);
			}

			template <class Entity>
			typename Communications<Entity>::iterator
			Communications<Entity>::end_send(const SynchronizationTag & tag) {
			return this->end(tag, _send);
			}

			/* ---------------------------------------------------------------------- */
			template <class Entity>
			typename Communications<Entity>::iterator
			Communications<Entity>::begin_recv(const SynchronizationTag & tag) {
			return this->begin(tag, _recv);
			}

			template <class Entity>
			typename Communications<Entity>::iterator
			Communications<Entity>::end_recv(const SynchronizationTag & tag) {
			return this->end(tag, _recv);
			}

			/* -------------------------------------------------------------------------- */
			template <class Entity>
			typename Communications<Entity>::tag_iterator
			Communications<Entity>::begin_tag() {
			return tag_iterator(comm_counter.begin());
			}

			template <class Entity>
			typename Communications<Entity>::tag_iterator
			Communications<Entity>::end_tag() {
			return tag_iterator(comm_counter.end());
			}

			/* -------------------------------------------------------------------------- */
			template <class Entity>
			typename Communications<Entity>::scheme_iterator
			Communications<Entity>::begin_scheme(const CommunicationSendRecv & sr) {
			return this->schemes[sr].begin();
			}

			template <class Entity>
			typename Communications<Entity>::scheme_iterator
			Communications<Entity>::end_scheme(const CommunicationSendRecv & sr) {
			return this->schemes[sr].end();
			}

			/* -------------------------------------------------------------------------- */
			template <class Entity>
			typename Communications<Entity>::const_scheme_iterator
			Communications<Entity>::begin_scheme(const CommunicationSendRecv & sr) const {
			return this->schemes[sr].begin();
			}

			template <class Entity>
			typename Communications<Entity>::const_scheme_iterator
			Communications<Entity>::end_scheme(const CommunicationSendRecv & sr) const {
			return this->schemes[sr].end();
			}

			/* -------------------------------------------------------------------------- */
			template <class Entity>
			typename Communications<Entity>::scheme_iterator
			Communications<Entity>::begin_send_scheme() {
			return this->begin_scheme(_send);
			}

			template <class Entity>
			typename Communications<Entity>::scheme_iterator
			Communications<Entity>::end_send_scheme() {
			return this->end_scheme(_send);
			}

			/* -------------------------------------------------------------------------- */
			template <class Entity>
			typename Communications<Entity>::const_scheme_iterator
			Communications<Entity>::begin_send_scheme() const {
			return this->begin_scheme(_send);
			}

			template <class Entity>
			typename Communications<Entity>::const_scheme_iterator
			Communications<Entity>::end_send_scheme() const {
			return this->end_scheme(_send);
			}

			/* -------------------------------------------------------------------------- */
			template <class Entity>
			typename Communications<Entity>::scheme_iterator
			Communications<Entity>::begin_recv_scheme() {
			return this->begin_scheme(_recv);
			}

			template <class Entity>
			typename Communications<Entity>::scheme_iterator
			Communications<Entity>::end_recv_scheme() {
			return this->end_scheme(_recv);
			}

			/* -------------------------------------------------------------------------- */
			template <class Entity>
			typename Communications<Entity>::const_scheme_iterator
			Communications<Entity>::begin_recv_scheme() const {
			return this->begin_scheme(_recv);
			}

			template <class Entity>
			typename Communications<Entity>::const_scheme_iterator
			Communications<Entity>::end_recv_scheme() const {
			return this->end_scheme(_recv);
			}

			/* ------------------------------------------------------------------------ */
			template <class Entity>
			bool Communications<Entity>::hasCommunication(
			const SynchronizationTag & tag) const {
			return (communications[_send].find(tag) != communications[_send].end());
			}

			template <class Entity>
			void Communications<Entity>::incrementCounter(const SynchronizationTag & tag) {
			auto it = comm_counter.find(tag);
			if (it == comm_counter.end()) {
			AKANTU_CUSTOM_EXCEPTION_INFO(
			debug::CommunicationException(),
			"No counter initialized in communications for the tags: " << tag);
			}

			++(it->second);
			}

			template <class Entity>
			UInt Communications<Entity>::getCounter(const SynchronizationTag & tag) const {
			auto it = comm_counter.find(tag);
			if (it == comm_counter.end()) {
			AKANTU_CUSTOM_EXCEPTION_INFO(
			debug::CommunicationException(),
			"No counter initialized in communications for the tags: " << tag);
			}

			return it->second;
			}

			template <class Entity>
			bool Communications<Entity>::hasPendingRecv(
			const SynchronizationTag & tag) const {
			return this->hasPending(tag, _recv);
			}

			template <class Entity>
			bool Communications<Entity>::hasPendingSend(
			const SynchronizationTag & tag) const {
			return this->hasPending(tag, _send);
			}

			template <class Entity>
			const StaticCommunicator & Communications<Entity>::getCommunicator() const {
			return communicator;
			}

			/* -------------------------------------------------------------------------- */
			template <class Entity>
			typename Communications<Entity>::iterator
			Communications<Entity>::waitAnyRecv(const SynchronizationTag & tag) {
			return this->waitAny(tag, _recv);
			}

			template <class Entity>
			typename Communications<Entity>::iterator
			Communications<Entity>::waitAnySend(const SynchronizationTag & tag) {
			return this->waitAny(tag, _send);
			}

			template <class Entity>
			void Communications<Entity>::waitAllRecv(const SynchronizationTag & tag) {
			this->waitAll(tag, _recv);
			}

			template <class Entity>
			void Communications<Entity>::waitAllSend(const SynchronizationTag & tag) {
			this->waitAll(tag, _send);
			}

			template <class Entity>
			void Communications<Entity>::freeSendRequests(const SynchronizationTag & tag) {
			this->freeRequests(tag, _send);
			}

			template <class Entity>
			void Communications<Entity>::freeRecvRequests(const SynchronizationTag & tag) {
			this->freeRequests(tag, _recv);
			}

			/* -------------------------------------------------------------------------- */
			template <class Entity>
			typename Communications<Entity>::Scheme &
			Communications<Entity>::createSendScheme(UInt proc) {
			return createScheme(proc, _send);
			}

			template <class Entity>
			typename Communications<Entity>::Scheme &
			Communications<Entity>::createRecvScheme(UInt proc) {
			return createScheme(proc, _recv);
			}

			/* -------------------------------------------------------------------------- */
			template <class Entity> void Communications<Entity>::resetSchemes() {
			resetSchemes(_send);
			resetSchemes(_recv);
			}

			/* -------------------------------------------------------------------------- */
			template <class Entity>
			const typename Communications<Entity>::Scheme &
			Communications<Entity>::getSendScheme(UInt proc) const {
			return this->schemes[_send].find(proc)->second;
			}

			/* -------------------------------------------------------------------------- */
			template <class Entity>
			const typename Communications<Entity>::Scheme &
			Communications<Entity>::getRecvScheme(UInt proc) const {
			return this->schemes[_recv].find(proc)->second;
			}

			/* -------------------------------------------------------------------------- */
			template <class Entity>
			void Communications<Entity>::setSendCommunicationSize(
			const SynchronizationTag & tag, UInt proc, UInt size) {
			this->setCommunicationSize(tag, proc, size, _send);
			}

			template <class Entity>
			void Communications<Entity>::setRecvCommunicationSize(
			const SynchronizationTag & tag, UInt proc, UInt size) {
			this->setCommunicationSize(tag, proc, size, _recv);
			}

			} // akantu

			#endif /* __AKANTU_COMMUNICATIONS_TMPL_HH__ */

rAKA/src/synchronizer/communications_tmpl.hhd6684680c495bugfixes/41-group-not…

communications_tmpl.hhView Options

rAKA/src/synchronizer/communications_tmpl.hh
d6684680c495bugfixes/41-group-not…

communications_tmpl.hh
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