prg_graph_mod Module Reference

The graph module. More...

Data Types
type	subgraph_t
	Subgraph type. More...
type	graph_partitioning_t
	Trace per iteration. More...

Functions/Subroutines
subroutine, public	prg_initsubgraph (sg, pnum, hsize)
	Initialize subgraph. More...
subroutine, public	prg_destroysubgraph (sg)
	Destroy subgraph. More...
subroutine, public	prg_initgraphpartitioning (gp, pname, np, nnodes, nnodes2)
	Initialize graph partitioning. More...
subroutine, public	prg_destroygraphpartitioning (gp)
	Destroy graph partitioning. More...
subroutine, public	prg_printgraphpartitioning (gp)
	Print graph partitioning structure data. More...
subroutine, public	prg_equalpartition (gp, nodesPerPart, nnodes)
	Create equal graph partitions, based on number of rows/orbitals. More...
subroutine, public	prg_equalgrouppartition (gp, hindex, ngroup, nodesPerPart, nnodes)
	Create equal group graph partitions, based on number of atoms/groups. More...
subroutine, public	prg_filepartition (gp, partFile)
	Read graph partitions from a file, based on number of rows/orbitals. More...
subroutine	prg_readpart (gp, partFile)
	Read parts (core) from part file. More...
subroutine, public	prg_fnormgraph (gp)
	Accumulate trace norm across all subgraphs. More...

Variables
integer, parameter	dp = kind(1.0d0)

Detailed Description

The graph module.

Function/Subroutine Documentation

prg_destroygraphpartitioning()

subroutine, public prg_graph_mod::prg_destroygraphpartitioning

(

type (graph_partitioning_t), intent(inout)

gp

)

Destroy graph partitioning.

Parameters

sg

Subgraph

Definition at line 262 of file prg_graph_mod.F90.

prg_destroysubgraph()

subroutine, public prg_graph_mod::prg_destroysubgraph

(

type (subgraph_t), intent(inout)

sg

)

Destroy subgraph.

Parameters

sg

Subgraph

Definition at line 158 of file prg_graph_mod.F90.

prg_equalgrouppartition()

subroutine, public prg_graph_mod::prg_equalgrouppartition	(	type (graph_partitioning_t), intent(inout)	gp,
		integer, dimension(2,ngroup), intent(in)	hindex,
		integer, intent(in)	ngroup,
		integer, intent(in)	nodesPerPart,
		integer, intent(in)	nnodes
	)

Create equal group graph partitions, based on number of atoms/groups.

Parameters

gp	Graph partitioning
hindex	Node indeces that represent ranges of atoms/groups
ngroup	Number of group nodes
nodesPerPart	Number of core nodes per partition
nnodes	Total nodes in Hamiltonian matrix

Definition at line 396 of file prg_graph_mod.F90.

prg_equalpartition()

subroutine, public prg_graph_mod::prg_equalpartition	(	type (graph_partitioning_t), intent(inout)	gp,
		integer, intent(in)	nodesPerPart,
		integer, intent(in)	nnodes
	)

Create equal graph partitions, based on number of rows/orbitals.

Parameters

gp	Graph partitioning`
nodesPerPart	Number of core nodes per partition
nnodes	Total nodes in Hamiltonian matrix

Definition at line 352 of file prg_graph_mod.F90.

prg_filepartition()

subroutine, public prg_graph_mod::prg_filepartition	(	type (graph_partitioning_t), intent(inout)	gp,
		character(len=*), intent(in)	partFile
	)

Read graph partitions from a file, based on number of rows/orbitals.

Parameters

partFile	File containing core nodes for each partition
gp	Graph partitioning

Definition at line 458 of file prg_graph_mod.F90.

prg_fnormgraph()

subroutine, public prg_graph_mod::prg_fnormgraph

(

type(graph_partitioning_t), intent(inout)

gp

)

Accumulate trace norm across all subgraphs.

Parameters

gp	Graph partitioning

Definition at line 511 of file prg_graph_mod.F90.

prg_initgraphpartitioning()

subroutine, public prg_graph_mod::prg_initgraphpartitioning	(	type (graph_partitioning_t), intent(inout)	gp,
		character(len=*), intent(in)	pname,
		integer, intent(in)	np,
		integer, intent(in)	nnodes,
		integer, intent(in)	nnodes2
	)

Initialize graph partitioning.

Parameters

gp	Graph partitioning
pname	Partitioning name
np	Number of partitions
nnodes	Number of groups/nodes
nnodes2	Number of nodes

Definition at line 174 of file prg_graph_mod.F90.

prg_initsubgraph()

subroutine, public prg_graph_mod::prg_initsubgraph	(	type (subgraph_t), intent(inout)	sg,
		integer, intent(in)	pnum,
		integer, intent(in)	hsize
	)

Initialize subgraph.

Parameters

sg	Subgraph
pnum	Part number
hsize	Size of full matrix

Definition at line 142 of file prg_graph_mod.F90.

prg_printgraphpartitioning()

subroutine, public prg_graph_mod::prg_printgraphpartitioning

(

type (graph_partitioning_t), intent(in)

gp

)

Print graph partitioning structure data.

Parameters

gp	Graph partitioning

Definition at line 289 of file prg_graph_mod.F90.

prg_readpart()

subroutine prg_graph_mod::prg_readpart ( type (graph_partitioning_t), intent(inout)  gp, character(len=*), intent(in)  partFile  )

private

Read parts (core) from part file.

Parameters

gp	Graph partitioning
partFile	Partition file

Definition at line 470 of file prg_graph_mod.F90.

Variable Documentation

dp

integer, parameter prg_graph_mod::dp = kind(1.0d0)

private

Definition at line 16 of file prg_graph_mod.F90.