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https://github.com/OPM/opm-simulators.git
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81 lines
3.0 KiB
C++
81 lines
3.0 KiB
C++
/*
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Copyright 2025 Equinor ASA
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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 <boost/test/tools/old/interface.hpp>
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#include <config.h>
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#include <cstddef>
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#include <stdexcept>
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#define BOOST_TEST_MODULE TestPreconditionerFactoryGPU
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#include <boost/test/unit_test.hpp>
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#include <cuda.h>
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#include <cuda_runtime.h>
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#include <opm/simulators/linalg/PreconditionerFactory.hpp>
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#include <opm/simulators/linalg/PreconditionerFactory_impl.hpp>
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using Scalar = double;
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constexpr static int Dim = 3;
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using MatrixTypeCPU = Dune::BCRSMatrix<Dune::FieldMatrix<Scalar, Dim, Dim>>;
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// using VectorType = Dune::BlockVector<Dune::FieldVector<Scalar, Dim>>;
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using CommSeq = Dune::Amg::SequentialInformation;
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// using GpuOperator = Dune::MatrixAdapter<MatrixType,
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// VectorType,
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// VectorType>;
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using GpuMatrixType = Opm::gpuistl::GpuSparseMatrix<Scalar>;
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using GpuVectorType = Opm::gpuistl::GpuVector<Scalar>;
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using GpuOperatorType = Dune::MatrixAdapter<GpuMatrixType, GpuVectorType, GpuVectorType>;
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using FactoryTypeGpu = Opm::PreconditionerFactory<GpuOperatorType, CommSeq>;
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BOOST_AUTO_TEST_CASE(TestMatrixAdapter)
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{
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const std::size_t N = 10;
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const std::size_t nonZeroes = N * 3 - 2;
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MatrixTypeCPU matrix(N, N, nonZeroes, MatrixTypeCPU::row_wise);
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for (auto row = matrix.createbegin(); row != matrix.createend(); ++row) {
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// Add nonzeros for left neighbour, diagonal and right neighbour
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if (row.index() > 0) {
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row.insert(row.index() - 1);
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}
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row.insert(row.index());
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if (row.index() < matrix.N() - 1) {
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row.insert(row.index() + 1);
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}
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}
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for (std::size_t i = 0; i < N; ++i) {
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matrix[i][i] = -2;
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if (i < int(N) - 1) {
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matrix[i][i + 1] = 1;
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}
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if (i > 0) {
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matrix[i][i - 1] = 1;
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}
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}
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GpuMatrixType gpuMatrix = GpuMatrixType::fromMatrix(matrix);
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Dune::MatrixAdapter<GpuMatrixType, GpuVectorType, GpuVectorType> gpuOp(gpuMatrix);
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Opm::PropertyTree prm;
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prm.put(std::string("preconditioner"), std::string("DILU"));
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auto weightsCalculator = []() { return GpuVectorType(10); };
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// TODO: Once the GPU preconditioners are implemented, we can remove the check throw
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// and actually test the preconditioner creation.
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BOOST_CHECK_THROW(FactoryTypeGpu::create(gpuOp, prm, weightsCalculator), std::invalid_argument);
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}
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