adam_field_gmp_kernels

ADAM, field class GMP kernels (GMP backend of field_object).

Source: src/lib/gmp/adam_field_gmp_kernels.F90

Dependencies

Contents

• compute_q_gradient_gmp
• compute_normL2_residuals_gmp
• copy_transpose_gpu_cpu_gmp
• populate_send_buffer_ghost_gmp
• receive_recv_buffer_ghost_gmp
• update_ghost_local_gmp

Subroutines

compute_q_gradient_gmp

Compute gradient of q(ivar).

subroutine compute_q_gradient_gmp(b, ni, nj, nk, ngc, dx, dy, dz, q_gpu, ivar, gradient)

Arguments

Name	Type	Intent	Attributes	Description
b	integer(kind=I4P)	in		Block index.
ni	integer(kind=I4P)	in		Grid cells number in I direction.
nj	integer(kind=I4P)	in		Grid cells number in J direction.
nk	integer(kind=I4P)	in		Grid cells number in K direction.
ngc	integer(kind=I4P)	in		Ghost cells number.
dx	real(kind=R8P)	in		X space step.
dy	real(kind=R8P)	in		Y space step.
dz	real(kind=R8P)	in		Z space step.
q_gpu	real(kind=R8P)	in		Field component to which apply gradient.
ivar	integer(kind=I4P)	in		Ghost cells number.
gradient	real(kind=R8P)	out		Maximum gradient of q.

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compute_normL2_residuals_gmp

Compute L2 norm of residuals.

subroutine compute_normL2_residuals_gmp(ni, nj, nk, ngc, nv, blocks_number, dq_gpu, norm)

Arguments

Name	Type	Intent	Attributes	Description
ni	integer(kind=I4P)	in		Grid cells number in I direction.
nj	integer(kind=I4P)	in		Grid cells number in J direction.
nk	integer(kind=I4P)	in		Grid cells number in K direction.
ngc	integer(kind=I4P)	in		Ghost grid number.
nv	integer(kind=I4P)	in		Number of states variables.
blocks_number	integer(kind=I4P)	in		Number of blocks.
dq_gpu	real(kind=R8P)	in		Residuals.
norm	real(kind=R8P)	inout		Residuals norm.

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copy_transpose_gpu_cpu_gmp

Copy transposed data from GPU to CPU by CUF threads.

subroutine copy_transpose_gpu_cpu_gmp(ni, nj, nk, ngc, nv, blocks_number, q_gpu, q_t_gpu, q_cpu)

Arguments

Name	Type	Intent	Attributes	Description
ni	integer(kind=I4P)	in		Grid cells number in I direction.
nj	integer(kind=I4P)	in		Grid cells number in J direction.
nk	integer(kind=I4P)	in		Grid cells number in K direction.
ngc	integer(kind=I4P)	in		Ghost cells number.
nv	integer(kind=I4P)	in		Number of conservative varibales.
blocks_number	integer(kind=I4P)	in		Number of blocks.
q_gpu	real(kind=R8P)	in		Conservative variables on GPU.
q_t_gpu	real(kind=R8P)	inout		Conservative (transposed) variables on GPU.
q_cpu	real(kind=R8P)	out		Conservative variables on CPU.

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populate_send_buffer_ghost_gmp

Polulate send buffer ghost GPU.

subroutine populate_send_buffer_ghost_gmp(ngc, comm_map_send_ghost_cell_gpu, send_buffer_ghost_gpu, q_gpu)

Arguments

Name	Type	Intent	Attributes	Description
ngc	integer(kind=I4P)	in		Ghost cells number.
comm_map_send_ghost_cell_gpu	integer(kind=I8P)	in	pointer	Comm map, cell information.
send_buffer_ghost_gpu	real(kind=R8P)	inout	pointer	Send buffer of ghost cells.
q_gpu	real(kind=R8P)	in		Field component to be updated.

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receive_recv_buffer_ghost_gmp

Receive recv buffer ghost GPU.

subroutine receive_recv_buffer_ghost_gmp(ngc, comm_map_recv_ghost_cell_gpu, recv_buffer_ghost_gpu, q_gpu)

Arguments

Name	Type	Intent	Attributes	Description
ngc	integer(kind=I4P)	in		Ghost cells number.
comm_map_recv_ghost_cell_gpu	integer(kind=I8P)	in	pointer	Comm map, cell information.
recv_buffer_ghost_gpu	real(kind=R8P)	inout	pointer	Receive buffer of ghost cells.
q_gpu	real(kind=R8P)	inout		Field component to be updated.

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update_ghost_local_gmp

Update (local) ghost cells.

subroutine update_ghost_local_gmp(ngc, local_map_ghost_cell_gpu, q_gpu)

Arguments

Name	Type	Intent	Attributes	Description
ngc	integer(kind=I4P)	in		Ghost cells number.
local_map_ghost_cell_gpu	integer(kind=I8P)	in	pointer	Local map of ghost cells.
q_gpu	real(kind=R8P)	inout		Field component to be updated.

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