amrex::HypreDefaults Namespace Reference

BoomerAMG defaults. More...

Functions
void	setGpuOptions (HYPRE_Solver solver)
	Coarsening, interpolation and transpose options for GPU builds.

Variables
constexpr bool	gpu = false
constexpr bool	old_default = !gpu
	Falgout coarsening with modified classical interpolation.
constexpr int	coarsen_type = gpu ? 8 : 6
constexpr int	interp_type = gpu ? 6 : 0
constexpr int	pmax_elmts = 4
constexpr int	keep_transpose = gpu ? 1 : 0
constexpr int	relax_type = gpu ? 18 : 6
constexpr int	relax_order = gpu ? 0 : 1

Detailed Description

BoomerAMG defaults.

GPU builds of HYPRE get HYPRE's recommended GPU options (PMIS coarsening, extended+i interpolation, l1-Jacobi relaxation in natural order, kept transposes); CPU builds keep the classical settings.

Function Documentation

setGpuOptions()

void amrex::HypreDefaults::setGpuOptions ( HYPRE_Solver  solver )

inline

Coarsening, interpolation and transpose options for GPU builds.

Variable Documentation

coarsen_type

constexpr int amrex::HypreDefaults::coarsen_type = gpu ? 8 : 6

inlineconstexpr

gpu

constexpr bool amrex::HypreDefaults::gpu = false

inlineconstexpr

interp_type

constexpr int amrex::HypreDefaults::interp_type = gpu ? 6 : 0

inlineconstexpr

keep_transpose

constexpr int amrex::HypreDefaults::keep_transpose = gpu ? 1 : 0

inlineconstexpr

old_default

constexpr bool amrex::HypreDefaults::old_default = !gpu

inlineconstexpr

Falgout coarsening with modified classical interpolation.

pmax_elmts

constexpr int amrex::HypreDefaults::pmax_elmts = 4

inlineconstexpr

relax_order

constexpr int amrex::HypreDefaults::relax_order = gpu ? 0 : 1

inlineconstexpr

relax_type

constexpr int amrex::HypreDefaults::relax_type = gpu ? 18 : 6

inlineconstexpr