mirror of
https://github.com/OPM/opm-simulators.git
synced 2024-12-27 09:40:59 -06:00
100 lines
4.2 KiB
C++
100 lines
4.2 KiB
C++
/*
|
|
Copyright 2019 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_BDASOLVER_BACKEND_HEADER_INCLUDED
|
|
#define OPM_BDASOLVER_BACKEND_HEADER_INCLUDED
|
|
|
|
|
|
#include <opm/simulators/linalg/bda/BdaResult.hpp>
|
|
#include <opm/simulators/linalg/bda/BlockedMatrix.hpp>
|
|
|
|
#include <string>
|
|
|
|
namespace Opm {
|
|
|
|
class WellContributions;
|
|
|
|
namespace Accelerator {
|
|
enum class SolverStatus {
|
|
BDA_SOLVER_SUCCESS,
|
|
BDA_SOLVER_ANALYSIS_FAILED,
|
|
BDA_SOLVER_CREATE_PRECONDITIONER_FAILED,
|
|
BDA_SOLVER_UNKNOWN_ERROR
|
|
};
|
|
|
|
/// This class serves to simplify choosing between different backend solvers, such as cusparseSolver and openclSolver
|
|
/// This class is abstract, no instantiations can of it can be made, only of its children
|
|
template <unsigned int block_size>
|
|
class BdaSolver
|
|
{
|
|
|
|
protected:
|
|
|
|
// verbosity
|
|
// 0: print nothing during solves, only when initializing
|
|
// 1: print number of iterations and final norm
|
|
// 2: also print norm each iteration
|
|
// 3: also print timings of different backend functions
|
|
|
|
int verbosity = 0;
|
|
|
|
int maxit = 200;
|
|
double tolerance = 1e-2;
|
|
|
|
std::string bitstream;
|
|
|
|
int N; // number of rows
|
|
int Nb; // number of blocked rows (Nb*block_size == N)
|
|
int nnz; // number of nonzeroes (scalars)
|
|
int nnzb; // number of nonzero blocks (nnzb*block_size*block_size == nnz)
|
|
|
|
unsigned int platformID = 0; // ID of OpenCL platform to be used, only used by openclSolver now
|
|
unsigned int deviceID = 0; // ID of the device to be used
|
|
|
|
bool initialized = false;
|
|
|
|
public:
|
|
/// Construct a BdaSolver, can be cusparseSolver, openclSolver, fpgaSolver
|
|
/// \param[in] fpga_bitstream FPGA bitstream file name (only for fpgaSolver)
|
|
/// \param[in] linear_solver_verbosity verbosity of solver
|
|
/// \param[in] maxit maximum number of iterations for solver
|
|
/// \param[in] tolerance required relative tolerance for solver
|
|
/// \param[in] platformID the OpenCL platform to be used, only used in openclSolver
|
|
/// \param[in] deviceID the device to be used
|
|
BdaSolver(int linear_solver_verbosity, int max_it, double tolerance_) : verbosity(linear_solver_verbosity), maxit(max_it), tolerance(tolerance_) {};
|
|
BdaSolver(int linear_solver_verbosity, int max_it, double tolerance_, unsigned int deviceID_) : verbosity(linear_solver_verbosity), maxit(max_it), tolerance(tolerance_), deviceID(deviceID_) {};
|
|
BdaSolver(int linear_solver_verbosity, int max_it, double tolerance_, unsigned int platformID_, unsigned int deviceID_) : verbosity(linear_solver_verbosity), maxit(max_it), tolerance(tolerance_), platformID(platformID_), deviceID(deviceID_) {};
|
|
BdaSolver(std::string fpga_bitstream, int linear_solver_verbosity, int max_it, double tolerance_) : verbosity(linear_solver_verbosity), maxit(max_it), tolerance(tolerance_), bitstream(fpga_bitstream) {};
|
|
|
|
/// Define virtual destructor, so that the derivedclass destructor will be called
|
|
virtual ~BdaSolver() {};
|
|
|
|
/// Define as pure virtual functions, so derivedclass must implement them
|
|
virtual SolverStatus solve_system(std::shared_ptr<BlockedMatrix> matrix, double *b,
|
|
std::shared_ptr<BlockedMatrix> jacMatrix, WellContributions& wellContribs, BdaResult &res) = 0;
|
|
|
|
virtual void get_result(double *x) = 0;
|
|
|
|
}; // end class BdaSolver
|
|
|
|
} // namespace Accelerator
|
|
} // namespace Opm
|
|
|
|
#endif
|