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https://github.com/OPM/opm-simulators.git
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69 lines
1.9 KiB
C++
69 lines
1.9 KiB
C++
/*
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Copyright 2022-2023 SINTEF AS
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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_CUBLASHANDLE_HPP
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#define OPM_CUBLASHANDLE_HPP
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#include <cublas_v2.h>
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#include <memory>
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namespace Opm::cuistl::detail
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{
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/**
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* @brief The CuBlasHandle class provides a singleton for the simulator universal cuBlasHandle.
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*
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* Example use:
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* @code{.cpp}
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* #include <opm/simulators/linalg/cuistl/detail/CuBlasHandle.hpp>
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* void someFunction() {
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* auto& cublasHandle = ::Opm::cuistl::detail::CuBlasHandle::getInstance();
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* int cuBlasVersion = -1;
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* OPM_CUBLAS_SAFE_CALL(cublasGetVersion(cublasHandle.get(), &cuBlasVersion));
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* }
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* @endcode
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*
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*/
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class CuBlasHandle
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{
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public:
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// This should not be copyable.
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CuBlasHandle(const CuBlasHandle&) = delete;
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CuBlasHandle& operator=(const CuBlasHandle&) = delete;
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/**
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* Calls cublasDestroy() on the handle
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*/
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~CuBlasHandle();
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/**
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* @brief get returns the underlying cuBlas handle (to be used in calls to cublas)
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*/
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cublasHandle_t get();
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/**
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* @brief getInstance creates (if necessary) and returns the single unique instance of CuBlasHandle (singleton)
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*/
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static CuBlasHandle& getInstance();
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private:
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CuBlasHandle();
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cublasHandle_t m_handle;
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};
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} // namespace Opm::cuistl::detail
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#endif // OPM_CUBLASHANDLE_HPP
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