gather_scatter Module Reference

Gather-scatter.

Data Types
type	gs_t

Functions/Subroutines
subroutine	gs_init (gs, dofmap, bcknd, comm_bcknd)
	Initialize a gather-scatter kernel.
subroutine	gs_free (gs)
	Deallocate a gather-scatter kernel.
subroutine	gs_init_mapping (gs)
	Setup mapping of dofs to gather-scatter operations.
subroutine	gs_schedule (gs)
	Schedule shared gather-scatter operations.
subroutine	gs_op_fld (gs, u, op, event)
	Gather-scatter operation on a field u with op op.
subroutine	gs_op_r4 (gs, u, n, op, event)
	Gather-scatter operation on a rank 4 array.
subroutine	gs_op_vector (gs, u, n, op, event)
	Gather-scatter operation on a vector u with op op.

Function/Subroutine Documentation

gs_free()

subroutine gather_scatter::gs_free ( class(gs_t), intent(inout)  gs )

private

Definition at line 336 of file gather_scatter.f90.

gs_init()

subroutine gather_scatter::gs_init	(	class(gs_t), intent(inout)	gs,
		type(dofmap_t), intent(inout), target	dofmap,
		integer, optional	bcknd,
		integer, optional	comm_bcknd
	)

Parameters

dofmap,global	numbering of points and connectivity to base gs on
bcknd,backend	for executing the gs_ops
comm_bcknd,backend	for excuting the communication with

Definition at line 106 of file gather_scatter.f90.

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gs_init_mapping()

subroutine gather_scatter::gs_init_mapping ( type(gs_t), intent(inout), target  gs )

private

Note

this might be a bit overkill, but having many collisions makes the init take too long. This is really critical to performance of the init

Definition at line 393 of file gather_scatter.f90.

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gs_op_fld()

subroutine gather_scatter::gs_op_fld ( class(gs_t), intent(inout)  gs, type(field_t), intent(inout)  u, integer  op, type(c_ptr), intent(inout), optional  event  )

private

Definition at line 1344 of file gather_scatter.f90.

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gs_op_r4()

subroutine gather_scatter::gs_op_r4 ( class(gs_t), intent(inout)  gs, real(kind=rp), dimension(:,:,:,:), intent(inout), contiguous  u, integer, intent(in)  n, integer  op, type(c_ptr), intent(inout), optional  event  )

private

Definition at line 1360 of file gather_scatter.f90.

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gs_op_vector()

subroutine gather_scatter::gs_op_vector ( class(gs_t), intent(inout)  gs, real(kind=rp), dimension(n), intent(inout)  u, integer, intent(in)  n, integer  op, type(c_ptr), intent(inout), optional  event  )

private

Definition at line 1376 of file gather_scatter.f90.

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gs_schedule()

subroutine gather_scatter::gs_schedule ( type(gs_t), intent(inout), target  gs )

private

Todo:

Consider switching to a crystal router...

Todo:

don't touch others data...

Todo:

don't touch others data...

Definition at line 1227 of file gather_scatter.f90.

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