src/gromacs/ewald/pme_pp_comm_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_pp_comm_gpu.h"
  51 #include "gromacs/utility/gmxassert.h"
  52 #include "gromacs/utility/gmxmpi.h"
  53
  54 #if GMX_GPU != GMX_GPU_CUDA
  55
  56 namespace gmx
  57 {
  58
  59 /*!\brief Impl class stub. */
  60 class PmePpCommGpu::Impl
  61 {
  62 };
  63
  64 /*!\brief Constructor stub. */
  65 PmePpCommGpu::PmePpCommGpu(MPI_Comm /* comm */, int /* pmeRank */, const DeviceContext& /* deviceContext */) :
  66     impl_(nullptr)
  67 {
  68     GMX_ASSERT(false,
  69                "A CPU stub for PME-PP GPU communication was called instead of the correct "
  70                "implementation.");
  71 }
  72
  73 PmePpCommGpu::~PmePpCommGpu() = default;
  74
  75 /*!\brief init PME-PP GPU communication stub */
  76 void PmePpCommGpu::reinit(int /* size */)
  77 {
  78     GMX_ASSERT(false,
  79                "A CPU stub for PME-PP GPU communication initialization was called instead of the "
  80                "correct implementation.");
  81 }
  82
  83 void PmePpCommGpu::receiveForceFromPmeCudaDirect(void* /* recvPtr */,
  84                                                  int /* recvSize */,
  85                                                  bool /* receivePmeForceToGpu */)
  86 {
  87     GMX_ASSERT(false,
  88                "A CPU stub for PME-PP GPU communication was called instead of the correct "
  89                "implementation.");
  90 }
  91
  92 void PmePpCommGpu::sendCoordinatesToPmeCudaDirect(void* /* sendPtr */,
  93                                                   int /* sendSize */,
  94                                                   bool /* sendPmeCoordinatesFromGpu */,
  95                                                   GpuEventSynchronizer* /* coordinatesOnDeviceEvent */)
  96 {
  97     GMX_ASSERT(false,
  98                "A CPU stub for PME-PP GPU communication was called instead of the correct "
  99                "implementation.");
 100 }
 101
 102 void* PmePpCommGpu::getGpuForceStagingPtr()
 103 {
 104     GMX_ASSERT(false,
 105                "A CPU stub for PME-PP GPU communication was called instead of the correct "
 106                "implementation.");
 107     return nullptr;
 108 }
 109
 110 void* PmePpCommGpu::getForcesReadySynchronizer()
 111 {
 112     GMX_ASSERT(false,
 113                "A CPU stub for PME-PP GPU communication was called instead of the correct "
 114                "implementation.");
 115     return nullptr;
 116 }
 117
 118 } // namespace gmx
 119
 120 #endif /* GMX_GPU != GMX_GPU_CUDA */