peclet::core::halo::detail Namespace Reference

Classes
struct	NonDeduced

Functions
bool	gpuAwareMpi ()
	Whether to hand DEVICE pointers straight to MPI (GPU-aware MPI) instead of host-staging.

Function Documentation

gpuAwareMpi()

bool peclet::core::halo::detail::gpuAwareMpi ( )

inline

Whether to hand DEVICE pointers straight to MPI (GPU-aware MPI) instead of host-staging.

Gated on an env var (read once) rather than MPIX_Query_cuda_support(), which under-reports on some stacks.

Definition at line 29 of file grid_halo.hpp.

Referenced by peclet::core::halo::GridHalo< T >::exchange(), peclet::core::halo::ParticleHalo< Dim >::forward(), peclet::core::amr::DistributedGatherHalo< Dim, Bits >::gather(), and peclet::core::halo::ParticleHalo< Dim >::reverse().