src/gromacs/nbnxm/gpu_common_utils.h

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  35 /*! \internal \file
  36  * \brief Implements common util routines for different NBNXN GPU implementations
  37  *
  38  * \author Aleksei Iupinov <a.yupinov@gmail.com>
  39  * \ingroup module_nbnxm
  40  */
  41
  42 #ifndef GMX_NBNXM_GPU_COMMON_UTILS_H
  43 #define GMX_NBNXM_GPU_COMMON_UTILS_H
  44
  45 #include "config.h"
  46
  47 #include "gromacs/nbnxm/nbnxm.h"
  48
  49 #if GMX_GPU_CUDA
  50 #    include "cuda/nbnxm_cuda_types.h"
  51 #endif
  52
  53 #if GMX_GPU_OPENCL
  54 #    include "opencl/nbnxm_ocl_types.h"
  55 #endif
  56
  57 namespace Nbnxm
  58 {
  59
  60 /*! \brief An early return condition for empty NB GPU workloads
  61  *
  62  * This is currently used for non-local kernels/transfers only.
  63  * Skipping the local kernel is more complicated, since the
  64  * local part of the force array also depends on the non-local kernel.
  65  * The skip of the local kernel is taken care of separately.
  66  */
  67 static inline bool canSkipNonbondedWork(const NbnxmGpu& nb, InteractionLocality iloc)
  68 {
  69     assert(nb.plist[iloc]);
  70     return (iloc == InteractionLocality::NonLocal && nb.plist[iloc]->nsci == 0);
  71 }
  72
  73 } // namespace Nbnxm
  74
  75 #endif