src/gromacs/ewald/pme_force_sender_gpu_impl.cpp

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  35 /*! \internal \file
  36  *
  37  * \brief May be used to implement PME-PP GPU comm interfaces for non-GPU builds.
  38  *
  39  * Currently, reports and exits if any of the interfaces are called.
  40  * Needed to satisfy compiler on systems, where CUDA is not available.
  41  *
  42  * \author Alan Gray <alang@nvidia.com>
  43  *
  44  * \ingroup module_ewald
  45  */
  46 #include "gmxpre.h"
  47
  48 #include "config.h"
  49
  50 #include "gromacs/ewald/pme_force_sender_gpu.h"
  51 #include "gromacs/utility/arrayref.h"
  52
  53 #if GMX_GPU != GMX_GPU_CUDA
  54
  55 namespace gmx
  56 {
  57
  58 /*!\brief Impl class stub. */
  59 class PmeForceSenderGpu::Impl
  60 {
  61 };
  62
  63 /*!\brief Constructor stub. */
  64 PmeForceSenderGpu::PmeForceSenderGpu(const DeviceStream& /*pmeStream */,
  65                                      MPI_Comm /* comm     */,
  66                                      gmx::ArrayRef<PpRanks> /* ppRanks */) :
  67     impl_(nullptr)
  68 {
  69     GMX_ASSERT(false,
  70                "A CPU stub for PME-PP GPU communication was called instead of the correct "
  71                "implementation.");
  72 }
  73
  74 PmeForceSenderGpu::~PmeForceSenderGpu() = default;
  75
  76 /*!\brief init PME-PP GPU communication stub */
  77 void PmeForceSenderGpu::sendForceBufferAddressToPpRanks(rvec* /* d_f */)
  78 {
  79     GMX_ASSERT(false,
  80                "A CPU stub for PME-PP GPU communication initialization was called instead of the "
  81                "correct implementation.");
  82 }
  83
  84 void PmeForceSenderGpu::sendFToPpCudaDirect(int /* ppRank */)
  85 {
  86     GMX_ASSERT(false,
  87                "A CPU stub for PME-PP GPU communication was called instead of the correct "
  88                "implementation.");
  89 }
  90
  91 } // namespace gmx
  92
  93 #endif /* GMX_GPU != GMX_GPU_CUDA */