adam_field_nvf_object

ADAM, field class definition, NVF backend.

Source: src/lib/nvf/adam_field_nvf_object.F90

Dependencies

Contents

• field_nvf_object
• compute_q_gradient
• copy_cpu_gpu
• copy_transpose_cpu_gpu
• copy_transpose_gpu_cpu
• initialize
• update_ghost_local_gpu
• update_ghost_mpi_gpu

Derived Types

field_nvf_object

Field class, NVF backend.

Components

Name	Type	Attributes	Description
mpih	type(mpih_nvf_object)		MPI handler.
maps	type(maps_nvf_object)		Maps handler.
field	type(field_object)	pointer	The field.
q_t	real(kind=R8P)	allocatable	Transposed cell centered variables on CPU.
q_gpu	real(kind=R8P)	allocatable, device	Field cell centered variables.
q_t_gpu	real(kind=R8P)	allocatable, device	Transposed cell centered variables on GPU.
fec_1_6_array_gpu	integer(kind=I4P)	allocatable, device	Mapping fec1-26 to fec1-6 for boundaries (GPU).
x_cell_gpu	real(kind=R8P)	allocatable, device	Cells x coordinates on GPU.
y_cell_gpu	real(kind=R8P)	allocatable, device	Cells y coordinates on GPU.
z_cell_gpu	real(kind=R8P)	allocatable, device	Cells z coordinates on GPU.
dxyz_gpu	real(kind=R8P)	allocatable, device	Delta cells GPU.

Type-Bound Procedures

Name	Attributes	Description
compute_q_gradient	pass(self)	Compute maximum gradient module of q element of a block.
copy_cpu_gpu	pass(self)	Copy data from (field_object) CPU to (field_nvf_object) GPU.
copy_transpose_cpu_gpu	pass(self)	Transpose data from GPU to CPU.
copy_transpose_gpu_cpu	pass(self)	Transpose data from GPU to CPU.
initialize	pass(self)	Initialize field.
update_ghost_local_gpu	pass(self)	Update ghosts locally.
update_ghost_mpi_gpu	pass(self)	Update ghosts MPI.

Subroutines

compute_q_gradient

Compute gradient (module) over q elements.

subroutine compute_q_gradient(self, b, ivar, q_gpu, gradient)

Arguments

Name	Type	Intent	Attributes	Description
self	class(field_nvf_object)	in		The field.
b	integer(kind=I4P)	in		Block index.
ivar	integer(kind=I4P)	in		Index of q variable.
q_gpu	real(kind=R8P)	in	device	Field component to which apply gradient.
gradient	real(kind=R8P)	out		Maximum gradient of q(ivar).

Call graph

copy_cpu_gpu

Copy data from (field_object) CPU to (field_nvf_object) GPU.

subroutine copy_cpu_gpu(self, verbose)

Arguments

Name	Type	Intent	Attributes	Description
self	class(field_nvf_object)	inout		The field.
verbose	logical	in	optional	Flag to activate verbose mode.

Call graph

copy_transpose_cpu_gpu

Copy transposed data from CPU to GPU. This routine is called by equation typically passing either q_gpu or q_aux_gpu.

subroutine copy_transpose_cpu_gpu(self, nv, q_cpu, q_gpu)

Arguments

Name	Type	Intent	Attributes	Description
self	class(field_nvf_object)	inout		The equation.
nv	integer(kind=I4P)	in		Number of varibales.
q_cpu	real(kind=R8P)	in		Conservative variables on CPU.
q_gpu	real(kind=R8P)	out	device	Conservative variables on GPU.

Call graph

copy_transpose_gpu_cpu

Copy transposed data from GPU to CPU. This routine is called by equation typically passing either q_gpu or q_aux_gpu.

subroutine copy_transpose_gpu_cpu(self, nv, q_gpu, q_cpu)

Arguments

Name	Type	Intent	Attributes	Description
self	class(field_nvf_object)	inout		The equation.
nv	integer(kind=I4P)	in		Number of varibales.
q_gpu	real(kind=R8P)	in	device	Conservative variables on GPU.
q_cpu	real(kind=R8P)	inout		Conservative variables on CPU.

Call graph

initialize

Initialize field.

subroutine initialize(self, field, nv_aux, verbose)

Arguments

Name	Type	Intent	Attributes	Description
self	class(field_nvf_object)	inout		The field.
field	type(field_object)	in	target	Field variable array.
nv_aux	integer(kind=I4P)	in	optional	Number of auxiliary variables.
verbose	logical	in	optional	Flag to activate verbose mode.

Call graph

update_ghost_local_gpu

Update (local) ghost cells.

subroutine update_ghost_local_gpu(self, q_gpu)

Arguments

Name	Type	Intent	Attributes	Description
self	class(field_nvf_object)	in		The field.
q_gpu	real(kind=R8P)	inout	device	Field component to be updated.

Call graph

update_ghost_mpi_gpu

Update ghost cells within other processes.

subroutine update_ghost_mpi_gpu(self, q_gpu, step)

Arguments

Name	Type	Intent	Attributes	Description
self	class(field_nvf_object)	inout		The field.
q_gpu	real(kind=R8P)	inout	device	Field component to be updated.
step	integer(kind=I4P)	in	optional	Step to be perfordmed in asyncronous comp.

Call graph