mirror of
https://github.com/OPM/opm-simulators.git
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136 lines
3.8 KiB
C++
136 lines
3.8 KiB
C++
/*
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Copyright 2019 Equinor AS.
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This file is part of the Open Porous Media project (OPM).
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OPM is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OPM is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OPM. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include "MPIPacker.hpp"
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#include <bitset>
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#include <cstdint>
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#include <ctime>
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#include <string>
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#include <type_traits>
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#include <opm/common/utility/TimeService.hpp>
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namespace Opm {
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namespace Mpi {
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namespace detail {
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template<std::size_t Size>
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std::size_t Packing<false,std::bitset<Size>>::
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packSize(const std::bitset<Size>& data,
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Parallel::MPIComm comm)
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{
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return Packing<true,unsigned long long>::packSize(data.to_ullong(), comm);
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}
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template<std::size_t Size>
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void Packing<false,std::bitset<Size>>::
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pack(const std::bitset<Size>& data,
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std::vector<char>& buffer,
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int& position,
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Parallel::MPIComm comm)
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{
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Packing<true,unsigned long long>::pack(data.to_ullong(), buffer, position, comm);
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}
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template<std::size_t Size>
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void Packing<false,std::bitset<Size>>::
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unpack(std::bitset<Size>& data,
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std::vector<char>& buffer,
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int& position,
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Parallel::MPIComm comm)
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{
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unsigned long long d;
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Packing<true,unsigned long long>::unpack(d, buffer, position, comm);
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data = std::bitset<Size>(d);
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}
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std::size_t Packing<false,std::string>::
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packSize(const std::string& data, Parallel::MPIComm comm)
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{
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int size;
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MPI_Pack_size(1, Dune::MPITraits<std::size_t>::getType(), comm, &size);
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int totalSize = size;
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MPI_Pack_size(data.size(), MPI_CHAR, comm, &size);
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return totalSize + size;
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}
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void Packing<false,std::string>::
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pack(const std::string& data,
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std::vector<char>& buffer,
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int& position,
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Parallel::MPIComm comm)
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{
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std::size_t length = data.size();
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MPI_Pack(&length, 1, Dune::MPITraits<std::size_t>::getType(), buffer.data(),
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buffer.size(), &position, comm);
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MPI_Pack(data.data(), length, MPI_CHAR, buffer.data(), buffer.size(),
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&position, comm);
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}
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void Packing<false,std::string>::
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unpack(std::string& data,
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std::vector<char>& buffer,
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int& position,
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Opm::Parallel::MPIComm comm)
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{
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std::size_t length = 0;
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MPI_Unpack(buffer.data(), buffer.size(), &position, &length, 1,
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Dune::MPITraits<std::size_t>::getType(), comm);
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std::vector<char> cStr(length+1, '\0');
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MPI_Unpack(buffer.data(), buffer.size(), &position, cStr.data(), length,
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MPI_CHAR, comm);
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data.clear();
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data.append(cStr.data(), length);
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}
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std::size_t Packing<false,time_point>::
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packSize(const time_point&, Opm::Parallel::MPIComm comm)
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{
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return Packing<true,std::time_t>::packSize(std::time_t(), comm);
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}
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void Packing<false,time_point>::
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pack(const time_point& data,
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std::vector<char>& buffer,
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int& position,
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Parallel::MPIComm comm)
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{
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Packing<true,std::time_t>::pack(TimeService::to_time_t(data),
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buffer, position, comm);
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}
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void Packing<false,time_point>::
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unpack(time_point& data,
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std::vector<char>& buffer,
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int& position,
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Parallel::MPIComm comm)
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{
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std::time_t res;
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Packing<true,std::time_t>::unpack(res, buffer, position, comm);
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data = TimeService::from_time_t(res);
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}
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template struct Packing<false,std::bitset<4>>;
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template struct Packing<false,std::bitset<10>>;
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} // end namespace detail
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} // end namespace Mpi
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} // end namespace Opm
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