communicator.C

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/*
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 *
 *
 *             OOFEM : Object Oriented Finite Element Code
 *
 *               Copyright (C) 1993 - 2025   Borek Patzak
 *
 *
 *
 *       Czech Technical University, Faculty of Civil Engineering,
 *   Department of Structural Mechanics, 166 29 Prague, Czech Republic
 *
 *  This library 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 2.1 of the License, or (at your option) any later version.
 *
 *  This program 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 this library; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
 
#include "communicator.h"
#include "intarray.h"
 
#include <cstdarg>
#include <cstdint>
 
#ifdef __USE_MPI
 #include <mpi.h>
#endif
 
namespace oofem {
CommunicatorBuff :: CommunicatorBuff(int s, CommBuffType t)
{
    this->processCommBuffs.reserve(s);
    for ( int i = 0; i < s; ++i ) {
        this->processCommBuffs.emplace_back(t);
    }
}
 
 
Communicator :: Communicator(EngngModel *emodel, CommunicatorBuff *b, int rank, int size, CommunicatorMode m) :
    rank(rank),
    engngModel(emodel),
    mode(m)
{
    processComms.reserve(size);
    for ( int i = 0; i < size; i++ ) {
        processComms.emplace_back(b->giveProcessCommunicatorBuff ( i ), i, mode);
    }
}
 
 
int
Communicator :: initExchange(int tag)
{
    int result = 1;
    for  ( auto &pc : processComms ) {
        result &= pc.initExchange(tag);
    }
 
    return result;
}
 
int
Communicator :: finishExchange()
{
    int result = 1;
    for  ( auto &pc : processComms ) {
        result &= pc.finishExchange();
    }
 
    return result;
}
 
 
 
int
Communicator :: initSend(int tag)
{
    int result = 1;
    for  ( auto &pc : processComms ) {
        result &= pc.initSend(tag);
    }
 
    return result;
}
 
int
Communicator :: initReceive(int tag)
{
    int result = 1;
    for  ( auto &pc : processComms) {
        result &= pc.initReceive(tag);
    }
 
    return result;
}
 
void
Communicator :: clearBuffers()
{
    for  ( auto &pc : processComms ) {
        pc.clearBuffers();
    }
}
 
std :: string
Communicator :: errorInfo(const char *func) const
{
    return std::string("Communicator::") + func + ", Rank: " + std::to_string(rank);
}
} // end namespace oofem