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https://github.com/OPM/opm-simulators.git
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76 lines
2.4 KiB
C++
76 lines
2.4 KiB
C++
/*
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Copyright 2020 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 WELLCONTRIBUTIONS_CUDA_HEADER_INCLUDED
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#define WELLCONTRIBUTIONS_CUDA_HEADER_INCLUDED
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#include <opm/simulators/linalg/bda/WellContributions.hpp>
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#include <cuda_runtime.h>
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namespace Opm
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{
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class WellContributionsCuda : public WellContributions
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{
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public:
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~WellContributionsCuda() override;
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/// Set a cudaStream to be used
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/// \param[in] stream the cudaStream that is used to launch the kernel in
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void setCudaStream(cudaStream_t stream);
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/// Apply all Wells in this object
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/// performs y -= (C^T * (D^-1 * (B*x))) for all Wells
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/// \param[in] d_x vector x, must be on GPU
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/// \param[inout] d_y vector y, must be on GPU
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void apply(double *d_x, double *d_y);
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protected:
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/// Allocate memory for the StandardWells
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void APIalloc() override;
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/// Store a matrix in this object, in blocked csr format, can only be called after alloc() is called
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/// \param[in] type indicate if C, D or B is sent
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/// \param[in] colIndices columnindices of blocks in C or B, ignored for D
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/// \param[in] values array of nonzeroes
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/// \param[in] val_size number of blocks in C or B, ignored for D
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void APIaddMatrix(MatrixType type, int *colIndices, double *values, unsigned int val_size) override;
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cudaStream_t stream;
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// data for StandardWells, could remain nullptrs if not used
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double *d_Cnnzs = nullptr;
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double *d_Dnnzs = nullptr;
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double *d_Bnnzs = nullptr;
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int *d_Ccols = nullptr;
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int *d_Bcols = nullptr;
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double *d_z1 = nullptr;
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double *d_z2 = nullptr;
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unsigned int *d_val_pointers = nullptr;
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double* h_x = nullptr;
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double* h_y = nullptr;
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};
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} //namespace Opm
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#endif
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