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63 lines
2.2 KiB
C++
63 lines
2.2 KiB
C++
/*
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Copyright 2021 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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#ifndef OPM_OPENCLPRECONDITIONER_HEADER_INCLUDED
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#define OPM_OPENCLPRECONDITIONER_HEADER_INCLUDED
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#include <opm/simulators/linalg/bda/opencl/opencl.hpp>
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#include <opm/simulators/linalg/bda/Preconditioner.hpp>
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namespace Opm::Accelerator {
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template<class Scalar> class BlockedMatrix;
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template <class Scalar, unsigned int block_size>
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class openclPreconditioner : public Preconditioner<Scalar, block_size>
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{
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protected:
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std::shared_ptr<cl::Context> context;
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std::shared_ptr<cl::CommandQueue> queue;
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std::vector<cl::Event> events;
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cl_int err;
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openclPreconditioner(int verbosity_) :
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Preconditioner<Scalar, block_size>(verbosity_)
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{};
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public:
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virtual ~openclPreconditioner() = default;
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static std::unique_ptr<openclPreconditioner<Scalar, block_size>> create(PreconditionerType type, int verbosity, bool opencl_ilu_parallel);
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// nested Preconditioners might need to override this
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virtual void setOpencl(std::shared_ptr<cl::Context>& context, std::shared_ptr<cl::CommandQueue>& queue);
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// apply preconditioner, x = prec(y)
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virtual void apply(const cl::Buffer& y, cl::Buffer& x) = 0;
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// create/update preconditioner, probably used every linear solve
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// the version with two params can be overloaded, if not, it will default to using the one param version
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virtual bool create_preconditioner(BlockedMatrix<Scalar> *mat) = 0;
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virtual bool create_preconditioner(BlockedMatrix<Scalar> *mat, BlockedMatrix<Scalar> *jacMat) = 0;
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};
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} //namespace Opm
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#endif
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