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35 #ifndef GMX_GPU_UTILS_GPUTRAITS_CUH
36 #define GMX_GPU_UTILS_GPUTRAITS_CUH
38 /*! \libinternal \file
39 * \brief Declares the CUDA type traits.
40 * \author Aleksei Iupinov <a.yupinov@gmail.com>
45 //! \brief GPU command stream
46 using CommandStream = cudaStream_t;
47 //! \brief Single GPU call timing event - meaningless in CUDA
48 using CommandEvent = void;
49 //! \brief Context used explicitly in OpenCL, does nothing in CUDA
50 using Context = void *;
53 * GPU kernels scheduling description. This is same in OpenCL/CUDA.
54 * Provides reasonable defaults, one typically only needs to set the GPU stream
55 * and non-1 work sizes.
57 struct KernelLaunchConfig
59 size_t gridSize[3] = {1, 1, 1}; //!< Block counts
60 size_t blockSize[3] = {1, 1, 1}; //!< Per-block thread counts
61 size_t sharedMemorySize = 0; //!< Shared memory size in bytes
62 CommandStream stream = nullptr; //!< Stream to launch kernel in
65 //! Sets whether device code can use arrays that are embedded in structs.
66 #define c_canEmbedBuffers true
67 // TODO this should be constexpr bool