src/gromacs/ewald/pme_gpu_program.h

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  35
  36 /*! \libinternal \file
  37  * \brief
  38  * Declares PmeGpuProgram
  39  * to store data derived from the GPU context or devices for
  40  * PME, such as (compiled) kernel handles and the warp sizes
  41  * they work with.
  42  *
  43  * \author Aleksei Iupinov <a.yupinov@gmail.com>
  44  * \ingroup module_ewald
  45  * \inlibraryapi
  46  */
  47
  48 #ifndef GMX_EWALD_PME_PME_GPU_PROGRAM_H
  49 #define GMX_EWALD_PME_PME_GPU_PROGRAM_H
  50
  51 #include <memory>
  52
  53 class DeviceContext;
  54
  55 struct PmeGpuProgramImpl;
  56 struct DeviceInformation;
  57
  58 /*! \libinternal
  59  * \brief Stores PME data derived from the GPU context or devices.
  60  *
  61  * This includes compiled kernel handles and the warp sizes they
  62  * work with.
  63  */
  64 class PmeGpuProgram
  65 {
  66 public:
  67     //! Constructor
  68     explicit PmeGpuProgram(const DeviceInformation& deviceInfo, const DeviceContext& deviceContext);
  69     ~PmeGpuProgram();
  70
  71     //! Return the warp size for which the kernels were compiled
  72     int warpSize() const;
  73
  74     // TODO: design more getters for information inside, if needed for PME, and make this private?
  75     //! Private impl class
  76     std::unique_ptr<PmeGpuProgramImpl> impl_;
  77 };
  78
  79 /*! \brief This is an owning handle for the compiled PME GPU kernels.
  80  */
  81 using PmeGpuProgramStorage = std::unique_ptr<PmeGpuProgram>;
  82
  83 /*! \brief
  84  * Factory function used to build persistent PME GPU program for the device at once.
  85  */
  86 PmeGpuProgramStorage buildPmeGpuProgram(const DeviceInformation& /*deviceInfo*/,
  87                                         const DeviceContext& /* deviceContext */);
  88
  89 #endif