Method wait

src/comm.cpp:636–659

}

void lbann_comm::wait(Al::request& req) const
{
#ifdef LBANN_HAS_ALUMINUM
  if (req.mpi_req != Al::mpi_null_req) {
    ::Al::Wait<::Al::MPIBackend>(req.mpi_req);
  }
#ifdef AL_HAS_NCCL
  if (req.nccl_req != Al::nccl_null_req) {
    // Note this does not block the host.
    ::Al::Wait<::Al::NCCLBackend>(req.nccl_req);
  }
#endif // AL_HAS_NCCL
#ifdef AL_HAS_HOST_TRANSFER
  if (req.hosttransfer_req != Al::hosttransfer_null_req) {
    // Note this does not block the host.
    ::Al::Wait<::Al::HostTransferBackend>(req.hosttransfer_req);
  }
#endif // AL_HAS_HOST_TRANSFER
#endif // LBANN_HAS_ALUMINUM
  if (req.raw_mpi_req != MPI_REQUEST_NULL) {
    MPI_Wait(&(req.raw_mpi_req), MPI_STATUS_IGNORE);
    ;
  }
}

bool lbann_comm::test(Al::request& req) const
{