mirror of
https://github.com/OPM/opm-simulators.git
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101 lines
2.7 KiB
C++
101 lines
2.7 KiB
C++
/*
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Copyright 2018 SINTEF Digital, Mathematics and Cybernetics.
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Copyright 2018 Equinor.
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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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#define BOOST_TEST_MODULE TestBroadCast
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#define BOOST_TEST_NO_MAIN
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#include <boost/test/unit_test.hpp>
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#include <opm/simulators/utils/MPIPacker.hpp>
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#include <ebos/eclmpiserializer.hh>
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#include <dune/common/parallel/mpihelper.hh>
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#include <numeric>
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#if HAVE_MPI
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struct MPIError
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{
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MPIError(std::string s, int e) : errorstring(std::move(s)), errorcode(e){}
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std::string errorstring;
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int errorcode;
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};
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void MPI_err_handler(MPI_Comm*, int* err_code, ...)
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{
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std::vector<char> err_string(MPI_MAX_ERROR_STRING);
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int err_length;
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MPI_Error_string(*err_code, err_string.data(), &err_length);
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std::string s(err_string.data(), err_length);
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std::cerr << "An MPI Error ocurred:" << std::endl << s << std::endl;
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throw MPIError(s, *err_code);
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}
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#endif
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bool
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init_unit_test_func()
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{
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return true;
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}
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BOOST_AUTO_TEST_CASE(BroadCast)
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{
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#if DUNE_VERSION_NEWER(DUNE_COMMON, 2, 7)
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const auto& cc = Dune::MPIHelper::getCommunication();
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#else
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const auto& cc = Dune::MPIHelper::getCollectiveCommunication();
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#endif
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std::vector<double> d(3);
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if (cc.rank() == 1)
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std::iota(d.begin(), d.end(), 1.0);
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std::vector<int> i(3);
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if (cc.rank() == 1)
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std::iota(i.begin(), i.end(), 4);
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double d1 = cc.rank() == 1 ? 7.0 : 0.0;
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size_t i1 = cc.rank() == 1 ? 8 : 0;
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Opm::EclMpiSerializer ser(cc);
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ser.broadcast(1, d, i, d1, i1);
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for (size_t c = 0; c < 3; ++c) {
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BOOST_CHECK_EQUAL(d[c], 1.0+c);
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BOOST_CHECK_EQUAL(i[c], 4+c);
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}
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BOOST_CHECK_EQUAL(d1, 7.0);
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BOOST_CHECK_EQUAL(i1, 8);
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}
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int main(int argc, char** argv)
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{
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Dune::MPIHelper::instance(argc, argv);
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#if HAVE_MPI
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// register a throwing error handler to allow for
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// debugging with "catch throw" in gdb
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MPI_Errhandler handler;
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MPI_Comm_create_errhandler(MPI_err_handler, &handler);
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MPI_Comm_set_errhandler(MPI_COMM_WORLD, handler);
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#endif
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return boost::unit_test::unit_test_main(&init_unit_test_func, argc, argv);
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}
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