adam_prism_fnl_rk_pic_object

ADAM, PRISM PIC Runge-Kutta integrator, FNL backend.

Source: src/app/prism/fnl/adam_prism_fnl_rk_pic_object.F90

Dependencies

Contents

• prism_fnl_rk_pic_object
• destroy
• initialize
• initialize_stages
• compute_stage
• assign_stage
• update_q_pic

Variables

Name	Type	Attributes	Description
PIC_VARIABLES_NUMBER	integer(kind=I4P)	parameter

Derived Types

prism_fnl_rk_pic_object

Components

Name	Type	Attributes	Description
alph_gpu	real(kind=R8P)	pointer	SSP RK alpha coefficients on device.
beta_gpu	real(kind=R8P)	pointer	SSP RK beta coefficients on device.
q_pic_rk_gpu	real(kind=R8P)	pointer	RK stages [particle, variable, stage].
particle_number	integer(kind=I4P)		Total number of particles.
nrk	integer(kind=I4P)		Number of stages.

Type-Bound Procedures

Name	Attributes	Description
destroy	pass(self)
initialize	pass(self)
initialize_stages	pass(self)
compute_stage	pass(self)
assign_stage	pass(self)
update_q_pic	pass(self)

Subroutines

destroy

Free device data owned by this object.

subroutine destroy(self)

Arguments

Name	Type	Intent	Attributes	Description
self	class(prism_fnl_rk_pic_object)	inout		FNL PIC RK object.

Call graph

initialize

Initialize device-side PIC RK state.

subroutine initialize(self, pic, rk_pic)

Arguments

Name	Type	Intent	Attributes	Description
self	class(prism_fnl_rk_pic_object)	inout		FNL PIC RK object.
pic	type(prism_pic_object)	in		Host PIC object.
rk_pic	type(prism_rk_pic_object)	in		Host PIC RK object.

Call graph

initialize_stages

Initialize device SSP RK stages for PIC variables.

subroutine initialize_stages(self, q_pic_gpu)

Arguments

Name	Type	Intent	Attributes	Description
self	class(prism_fnl_rk_pic_object)	inout		FNL PIC RK object.
q_pic_gpu	real(kind=R8P)	in		PIC variables on device.

Call graph

compute_stage

Compute one PIC SSP RK stage state on device.

subroutine compute_stage(self, s, dt)

Arguments

Name	Type	Intent	Attributes	Description
self	class(prism_fnl_rk_pic_object)	inout		FNL PIC RK object.
s	integer(kind=I4P)	in		Current stage number.
dt	real(kind=R8P)	in		Time step.

Call graph

assign_stage

Convert one PIC SSP RK stage state into its right-hand side on device.

subroutine assign_stage(self, s, pic_fields_gpu)

Arguments

Name	Type	Intent	Attributes	Description
self	class(prism_fnl_rk_pic_object)	inout		FNL PIC RK object.
s	integer(kind=I4P)	in		Current stage number.
pic_fields_gpu	real(kind=R8P)	in		Fields at particle locations on device.

Call graph

update_q_pic

Complete the PIC SSP RK update on device.

subroutine update_q_pic(self, dt, q_pic_gpu)

Arguments

Name	Type	Intent	Attributes	Description
self	class(prism_fnl_rk_pic_object)	inout		FNL PIC RK object.
dt	real(kind=R8P)	in		Time step.
q_pic_gpu	real(kind=R8P)	inout		PIC variables on device.

Call graph