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OpenclMatrix.hpp
/*
Copyright 2021 Equinor ASA
This file is part of the Open Porous Media project (OPM).
OPM is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OPM is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OPM. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef OPM_OPENCLMATRIX_HEADER_INCLUDED
#define OPM_OPENCLMATRIX_HEADER_INCLUDED
#include <vector>
#include <opm/simulators/linalg/gpubridge/opencl/opencl.hpp>
namespace Opm
{
namespace Accelerator
{
template<class Scalar> class Matrix;
template<class Scalar> class BlockedMatrix;
template<class Scalar>
class OpenclMatrix
{
public:
OpenclMatrix(cl::Context *context, int Nb_, int Mb_, int nnzbs_, unsigned int block_size_)
: Nb(Nb_),
Mb(Mb_),
nnzbs(nnzbs_),
block_size(block_size_)
{
nnzValues = cl::Buffer(*context, CL_MEM_READ_WRITE,
sizeof(Scalar) * block_size * block_size * nnzbs);
colIndices = cl::Buffer(*context, CL_MEM_READ_WRITE, sizeof(int) * nnzbs);
rowPointers = cl::Buffer(*context, CL_MEM_READ_WRITE, sizeof(int) * (Nb + 1));
}
void upload(cl::CommandQueue* queue, Scalar* vals, int* cols, int* rows);
void upload(cl::CommandQueue* queue, Matrix<Scalar>* matrix);
void upload(cl::CommandQueue* queue, BlockedMatrix<Scalar>* matrix);
cl::Buffer nnzValues;
cl::Buffer colIndices;
cl::Buffer rowPointers;
int Nb, Mb;
int nnzbs;
unsigned int block_size;
};
} // namespace Accelerator
} // namespace Opm
#endif // OPM_OPENCLMATRIX_HEADER_INCLUDED
Opm::Accelerator::BlockedMatrix
This struct resembles a blocked csr matrix, like Dune::BCRSMatrix.
Definition BlockedMatrix.hpp:29
Opm::Accelerator::Matrix
This struct resembles a csr matrix, only doubles are supported The data is stored in contiguous memor...
Definition Matrix.hpp:34
Opm
This file contains a set of helper functions used by VFPProd / VFPInj.
Definition blackoilbioeffectsmodules.hh:43