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https://github.com/OPM/opm-simulators.git
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127 lines
3.7 KiB
C++
127 lines
3.7 KiB
C++
/*
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Copyright 2021 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 OPM_test_openclSolver
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#include <boost/test/unit_test.hpp>
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#include <boost/version.hpp>
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#include <dune/common/version.hh>
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#if DUNE_VERSION_NEWER(DUNE_ISTL, 2, 6) && \
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BOOST_VERSION / 100 % 1000 > 48
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#include <opm/simulators/linalg/bda/BdaBridge.hpp>
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#include <dune/common/fvector.hh>
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#include <dune/istl/bvector.hh>
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#include <dune/istl/bcrsmatrix.hh>
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#include <dune/istl/matrixmarket.hh>
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#include <boost/property_tree/json_parser.hpp>
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#include <boost/property_tree/ptree.hpp>
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template <int bz>
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Dune::BlockVector<Dune::FieldVector<double, bz>>
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testOpenclSolver(const boost::property_tree::ptree& prm, const std::string& matrix_filename, const std::string& rhs_filename)
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{
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using Matrix = Dune::BCRSMatrix<Dune::FieldMatrix<double, bz, bz>>;
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using Vector = Dune::BlockVector<Dune::FieldVector<double, bz>>;
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Matrix matrix;
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{
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std::ifstream mfile(matrix_filename);
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if (!mfile) {
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throw std::runtime_error("Could not read matrix file");
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}
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readMatrixMarket(matrix, mfile);
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}
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Vector rhs;
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{
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std::ifstream rhsfile(rhs_filename);
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if (!rhsfile) {
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throw std::runtime_error("Could not read rhs file");
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}
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readMatrixMarket(rhs, rhsfile);
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}
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const int linear_solver_verbosity = prm.get<int>("verbosity");
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const int maxit = prm.get<int>("maxiter");
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const double tolerance = prm.get<double>("tol");
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const std::string opencl_ilu_reorder("none");
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const int platformID = 0;
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const int deviceID = 0;
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const std::string gpu_mode("opencl");
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const std::string fpga_bitstream("empty"); // unused
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Vector x(rhs.size());
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Opm::WellContributions wellContribs("opencl");
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Opm::BdaBridge<Matrix, Vector, bz> bridge(gpu_mode, fpga_bitstream, linear_solver_verbosity, maxit, tolerance, platformID, deviceID, opencl_ilu_reorder);
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Dune::InverseOperatorResult result;
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bridge.solve_system(&matrix, rhs, wellContribs, result);
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bridge.get_result(x);
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return x;
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}
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namespace pt = boost::property_tree;
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void test3(const pt::ptree& prm)
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{
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const int bz = 3;
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auto sol = testOpenclSolver<bz>(prm, "matr33.txt", "rhs3.txt");
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Dune::BlockVector<Dune::FieldVector<double, bz>> expected {{-1.30307e-2, -3.58263e-6, 1.13836e-9},
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{-1.25425e-3, -1.4167e-4, -3.2213e-3},
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{-4.5436e-4, 1.28682e-5, 4.7644e-6}};
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BOOST_REQUIRE_EQUAL(sol.size(), expected.size());
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for (size_t i = 0; i < sol.size(); ++i) {
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for (int row = 0; row < bz; ++row) {
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BOOST_CHECK_CLOSE(sol[i][row], expected[i][row], 1e-3);
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}
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}
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}
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BOOST_AUTO_TEST_CASE(TestDefaultPreconditionerFactory)
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{
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pt::ptree prm;
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// Read parameters.
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{
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std::ifstream file("options_flexiblesolver.json");
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pt::read_json(file, prm);
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}
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// Test with 3x3 block solvers.
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test3(prm);
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}
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#else
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// Do nothing if we do not have at least Dune 2.6.
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BOOST_AUTO_TEST_CASE(DummyTest)
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{
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BOOST_REQUIRE(true);
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}
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#endif
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