Functions/Subroutines
subroutine	gather_scatter::gs_init (gs, dofmap, bcknd, comm_bcknd)
	Initialize a gather-scatter kernel.

subroutine	gather_scatter::gs_free (gs)
	Deallocate a gather-scatter kernel.

subroutine	gather_scatter::gs_init_mapping (gs)
	Setup mapping of dofs to gather-scatter operations.

integer function	gs_mapping_add_dof (map_, dof, max_id)
	Register a unique dof Takes the unique id dof and checks if it is in the htable map_ If it is we return the gather-scatter id this global dof has been assigned to. This is done as the global id can be very large max(integer8), but the number of local points is at most max(integer4)

recursive subroutine	gs_qsort_dofmap (dg, gd, n, lo, hi)
	Sort the dof lists based on the dof to gather-scatter list.

subroutine	gs_find_blks (dg, blk_len, nblks, n, m)
	Find blocks sharing dofs in non-facet data.

subroutine	gather_scatter::gs_schedule (gs)
	Schedule shared gather-scatter operations.

subroutine	gather_scatter::gs_op_fld (gs, u, op, event)
	Gather-scatter operation on a field u with op op.

subroutine	gather_scatter::gs_op_r4 (gs, u, n, op, event)
	Gather-scatter operation on a rank 4 array.

subroutine	gather_scatter::gs_op_vector (gs, u, n, op, event)
	Gather-scatter operation on a vector u with op op.

Function/Subroutine Documentation

◆ gs_find_blks()

subroutine gs_init_mapping::gs_find_blks	(	integer, dimension(n), intent(inout)	dg,
		integer, dimension(:), intent(inout), allocatable	blk_len,
		integer, intent(inout)	nblks,
		integer, intent(in)	n,
		integer, intent(in)	m
	)

private

Definition at line 1188 of file gather_scatter.f90.

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integer function gs_init_mapping::gs_mapping_add_dof	(	type(htable_i8_t), intent(inout)	map_,
		integer(kind=i8), intent(inout)	dof,
		integer, intent(inout)	max_id
	)

private

Parameters

map_,htable	of global unique id to local unique id
dof,global	unique id of dof
max_id,current	number of entries in map_

Definition at line 1131 of file gather_scatter.f90.

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recursive subroutine gs_init_mapping::gs_qsort_dofmap	(	integer, dimension(n), intent(inout)	dg,
		integer, dimension(n), intent(inout)	gd,
		integer, intent(inout)	n,
		integer	lo,
		integer	hi
	)

private

Definition at line 1146 of file gather_scatter.f90.

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