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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.
41 * \author Aleksei Iupinov <a.yupinov@gmail.com>
42 * \author Artem Zhmurov <zhmurov@gmail.com>
45 * \ingroup module_gpu_utils
47 #include <cuda_runtime.h>
49 //! Device texture for fast read-only data fetching
50 using DeviceTexture = cudaTextureObject_t;
52 //! \brief Single GPU call timing event - meaningless in CUDA
53 using CommandEvent = void;
56 * GPU kernels scheduling description. This is same in OpenCL/CUDA.
57 * Provides reasonable defaults, one typically only needs to set the GPU stream
58 * and non-1 work sizes.
60 struct KernelLaunchConfig
63 size_t gridSize[3] = { 1, 1, 1 };
64 //! Per-block thread counts
65 size_t blockSize[3] = { 1, 1, 1 };
66 //! Shared memory size in bytes
67 size_t sharedMemorySize = 0;
70 //! Sets whether device code can use arrays that are embedded in structs.
71 #define c_canEmbedBuffers true
72 // TODO this should be constexpr bool