poisson Module Reference

Collaboration diagram for poisson:

Data Types
type	int_p
type	real_p

Public Member Functions
subroutine, public	spectral_solve (u, rhs)
subroutine	init_comm_infrastructure (comm_world, shape_x)
	one-time setup of communication infrastructure for poisson_mod More...
integer function	xyz_to_pid (ix, iy, iz, shape_x, shape_p)
subroutine	mesh_to_grid (mesh, grid, shape_x)
subroutine	grid_to_mesh (grid, mesh, shape_x)
subroutine	poisson_kernel (grid, shape_x, start_x, end_x, boundaries)
subroutine	shuffle_test ()
subroutine	transpose_test ()
subroutine	cos_test ()

Private Member Functions
subroutine	init_mesh_to_grid (nelm, shape_x)

Private Attributes
integer	comm_xy
integer	comm_yz
logical, save	interface_initialized = .false.
logical, save	mesh_to_grid_initialized = .false.
integer	alloc_local_xy
integer	nin_local_xy
integer	nout_local_xy
integer	idx_in_local_xy
integer	idx_out_local_xy
integer	alloc_local_yz
integer	nin_local_yz
integer	nout_local_yz
integer	idx_in_local_yz
integer	idx_out_local_yz
type(real_p), dimension(:), allocatable	send_buffers
type(real_p), dimension(:), allocatable	rec_buffers
integer, dimension(:), allocatable	dest_pids
integer, dimension(:), allocatable	dest_slots
integer, dimension(:), allocatable	dest_indexes
integer, dimension(:), allocatable	dest_lengths
integer, dimension(:), allocatable	src_pids
integer, dimension(:), allocatable	src_lengths
integer, dimension(:,:,:), allocatable	src_slots
integer, dimension(:,:,:), allocatable	src_indexes
integer	comm_size

Detailed Description

Definition at line 9 of file poisson_mod.F90.

Member Function/Subroutine Documentation

subroutine poisson::cos_test

(

)

Definition at line 779 of file poisson_mod.F90.

References fft::fft_r2r(), grid_to_mesh(), mesh::ieg_to_xyz(), parallel::lglel(), mesh_to_grid(), poisson_kernel(), sum(), and fft::transpose_grid().

Referenced by init_comm_infrastructure().

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subroutine poisson::grid_to_mesh	(	real(dp), dimension(0:,0:,0:), intent(in)	grid,
		real(dp), dimension(:), intent(out)	mesh,
		integer, dimension(3), intent(in)	shape_x
	)

Definition at line 502 of file poisson_mod.F90.

References parallel::gllel(), parallel::gllnid(), parallel::lglel(), mpi_irecv(), mpi_isend(), and mpi_wait().

Referenced by cos_test(), shuffle_test(), and spectral_solve().

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subroutine poisson::init_comm_infrastructure	(	integer, intent(in)	comm_world,
		integer, dimension(3), intent(in)	shape_x
	)

one-time setup of communication infrastructure for poisson_mod

Parameters

[in]	comm_world	Communicator in which to setup solver
[in]	shape_x	Shape of mesh

Definition at line 218 of file poisson_mod.F90.

References cos_test(), mpi_comm_free(), mpi_comm_rank(), mpi_comm_size(), mpi_comm_split(), nekgsync(), shuffle_test(), and transpose_test().

Referenced by spectral_solve().

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subroutine poisson::init_mesh_to_grid ( integer, intent(in)  nelm, integer, dimension(3), intent(in)  shape_x  )

private

Definition at line 315 of file poisson_mod.F90.

References parallel::gllnid(), mesh::ieg_to_xyz(), parallel::lglel(), nekgsync(), and xyz_to_pid().

Referenced by mesh_to_grid().

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subroutine poisson::mesh_to_grid	(	real(dp), dimension(:), intent(in)	mesh,
		real(dp), dimension(0:,0:,0:), intent(out)	grid,
		integer, dimension(3), intent(in)	shape_x
	)

Definition at line 444 of file poisson_mod.F90.

References parallel::gllnid(), init_mesh_to_grid(), parallel::lglel(), mpi_irecv(), mpi_isend(), and mpi_wait().

Referenced by cos_test(), shuffle_test(), spectral_solve(), and transpose_test().

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subroutine poisson::poisson_kernel	(	real(dp), dimension(0:,0:,0:), intent(inout)	grid,
		integer, dimension(3), intent(in)	shape_x,
		real(dp), dimension(3), intent(in)	start_x,
		real(dp), dimension(3), intent(in)	end_x,
		character(3), dimension(6), intent(in)	boundaries
	)

Definition at line 555 of file poisson_mod.F90.

References fft::wavenumber().

Referenced by cos_test(), and spectral_solve().

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subroutine poisson::shuffle_test

(

)

Definition at line 616 of file poisson_mod.F90.

References fft::fft_r2r(), grid_to_mesh(), parallel::lglel(), mesh_to_grid(), and fft::transpose_grid().

Referenced by init_comm_infrastructure().

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subroutine, public poisson::spectral_solve	(	real(dp), dimension (:), intent(out)	u,
		real(dp), dimension (:), intent(inout)	rhs
	)

Todo:

replace this with coarse grid dssum

Definition at line 48 of file poisson_mod.F90.

References ctimer::dnekclock(), dssum(), fft::fft_r2r(), grid_to_mesh(), init_comm_infrastructure(), parallel::lglel(), mesh_to_grid(), poisson_kernel(), sum(), and fft::transpose_grid().

Referenced by hsmg_routines::hsmg_coarse_solve().

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subroutine poisson::transpose_test

(

)

Definition at line 692 of file poisson_mod.F90.

References parallel::lglel(), mesh_to_grid(), and fft::transpose_grid().

Referenced by init_comm_infrastructure().

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integer function poisson::xyz_to_pid	(	integer, intent(in)	ix,
		integer, intent(in)	iy,
		integer, intent(in)	iz,
		integer, dimension(3), intent(in)	shape_x,
		integer, dimension(2), intent(in)	shape_p
	)

Definition at line 305 of file poisson_mod.F90.

Referenced by init_mesh_to_grid().

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Member Data Documentation

integer poisson::alloc_local_xy

private

Definition at line 21 of file poisson_mod.F90.

integer poisson::alloc_local_yz

private

Definition at line 22 of file poisson_mod.F90.

integer poisson::comm_size

private

Definition at line 43 of file poisson_mod.F90.

integer poisson::comm_xy

private

Definition at line 17 of file poisson_mod.F90.

integer poisson::comm_yz

private

Definition at line 17 of file poisson_mod.F90.

integer, dimension(:), allocatable poisson::dest_indexes

private

Definition at line 35 of file poisson_mod.F90.

integer, dimension(:), allocatable poisson::dest_lengths

private

Definition at line 36 of file poisson_mod.F90.

integer, dimension(:), allocatable poisson::dest_pids

private

Definition at line 33 of file poisson_mod.F90.

integer, dimension(:), allocatable poisson::dest_slots

private

Definition at line 34 of file poisson_mod.F90.

integer poisson::idx_in_local_xy

private

Definition at line 21 of file poisson_mod.F90.

integer poisson::idx_in_local_yz

private

Definition at line 22 of file poisson_mod.F90.

integer poisson::idx_out_local_xy

private

Definition at line 21 of file poisson_mod.F90.

integer poisson::idx_out_local_yz

private

Definition at line 22 of file poisson_mod.F90.

logical, save poisson::interface_initialized = .false.

private

Definition at line 18 of file poisson_mod.F90.

logical, save poisson::mesh_to_grid_initialized = .false.

private

Definition at line 19 of file poisson_mod.F90.

integer poisson::nin_local_xy

private

Definition at line 21 of file poisson_mod.F90.

integer poisson::nin_local_yz

private

Definition at line 22 of file poisson_mod.F90.

integer poisson::nout_local_xy

private

Definition at line 21 of file poisson_mod.F90.

integer poisson::nout_local_yz

private

Definition at line 22 of file poisson_mod.F90.

type(real_p), dimension(:), allocatable poisson::rec_buffers

private

Definition at line 32 of file poisson_mod.F90.

type(real_p), dimension(:), allocatable poisson::send_buffers

private

Definition at line 31 of file poisson_mod.F90.

integer, dimension(:,:,:), allocatable poisson::src_indexes

private

Definition at line 41 of file poisson_mod.F90.

integer, dimension(:), allocatable poisson::src_lengths

private

Definition at line 39 of file poisson_mod.F90.

integer, dimension(:), allocatable poisson::src_pids

private

Definition at line 38 of file poisson_mod.F90.

integer, dimension(:,:,:), allocatable poisson::src_slots

private

Definition at line 40 of file poisson_mod.F90.

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The documentation for this module was generated from the following file:

• poisson_mod.F90