Public Member Functions
procedure	init (this, matrix_p)
	initialize submatrix dissection and communicate, needs to be called before constructing any submatrices.

procedure	final (this)
	free all associated memory, afterwards submatrix_dissection_init needs to be called again

procedure	get_sm_ids_for_rank (this, rank, sm_ids)
	determine submatrix ids that are handled by a specific rank

procedure	generate_submatrix (this, sm_id, sm)
	generate a specific submatrix

procedure	copy_resultcol (this, sm_id, sm)
	copy result columns from a submatrix into result buffer

procedure	communicate_results (this, resultmat)
	finalize results back into a dbcsr matrix

procedure	get_relevant_sm_columns (this, sm_id, first, last)
	determine which columns of the submatrix are relevant for the result matrix

Data Fields
type(dbcsr_type)	dbcsr_mat

type(dbcsr_distribution_type)	dist

logical	initialized = .FALSE.

type(mp_comm_type)	group

integer	numnodes

integer	myrank

integer	nblkcols

integer	nblkrows

integer	nblks

integer	local_blocks

integer	cols_per_sm

integer	number_of_submatrices

integer, dimension(:), pointer	row_blk_size

integer, dimension(:), pointer	col_blk_size

integer, dimension(:), allocatable	coo_cols

integer, dimension(:), allocatable	coo_rows

integer, dimension(:), allocatable	coo_col_offsets

integer, dimension(:), allocatable	coo_cols_local

integer, dimension(:), allocatable	coo_rows_local

integer, dimension(:), allocatable	coo_col_offsets_local

integer, dimension(:), allocatable	submatrix_owners

integer, dimension(:), allocatable	submatrix_sizes

type(buffer_type), dimension(:), allocatable	recvbufs

type(buffer_type), dimension(:), allocatable	result_sendbufs

type(set_type), dimension(:), allocatable	result_blocks_for_rank

type(set_type), dimension(:), allocatable	result_blocks_from_rank

type(bufptr_type), dimension(:), allocatable	coo_dptr

type(intbuffer_type), dimension(:), allocatable	result_blocks_for_rank_buf_offsets

Detailed Description

Definition at line 66 of file submatrix_dissection.F.

Member Function/Subroutine Documentation

◆ init()

procedure submatrix_dissection::submatrix_dissection_type::init	(	class(submatrix_dissection_type), intent(inout)	this,
		type(dbcsr_type), intent(in)	matrix_p
	)

initialize submatrix dissection and communicate, needs to be called before constructing any submatrices.

Parameters

this	- object of class submatrix_dissection_type
matrix_p	- dbcsr input matrix

History: 2020.02 created [Michael Lass] 2020.05 add time measurements [Michael Lass]

Definition at line 81 of file submatrix_dissection.F.

◆ final()

procedure submatrix_dissection::submatrix_dissection_type::final ( class(submatrix_dissection_type), intent(inout) this )

free all associated memory, afterwards submatrix_dissection_init needs to be called again

Parameters

this	- object of class submatrix_dissection_type

Definition at line 82 of file submatrix_dissection.F.

◆ get_sm_ids_for_rank()

procedure submatrix_dissection::submatrix_dissection_type::get_sm_ids_for_rank	(	class(submatrix_dissection_type), intent(in)	this,
		integer, intent(in)	rank,
		integer, dimension(:), intent(out), allocatable	sm_ids
	)

determine submatrix ids that are handled by a specific rank

Parameters

this	- object of class submatrix_dissection_type
rank	- rank id of interest
sm_ids	- list of submatrix ids handled by that rank

Definition at line 83 of file submatrix_dissection.F.

◆ generate_submatrix()

procedure submatrix_dissection::submatrix_dissection_type::generate_submatrix	(	class(submatrix_dissection_type), intent(in)	this,
		integer, intent(in)	sm_id,
		real(kind=dp), dimension(:, :), intent(out), allocatable	sm
	)

generate a specific submatrix

Parameters

this	- object of class submatrix_dissection_type
sm_id	- id of the submatrix to generate
sm	- generated submatrix

Definition at line 84 of file submatrix_dissection.F.

◆ copy_resultcol()

procedure submatrix_dissection::submatrix_dissection_type::copy_resultcol	(	class(submatrix_dissection_type), intent(inout)	this,
		integer, intent(in)	sm_id,
		real(kind=dp), dimension(:, :), intent(in), allocatable	sm
	)

copy result columns from a submatrix into result buffer

Parameters

this	- object of class submatrix_dissection_type
sm_id	- id of the submatrix
sm	- result-submatrix

Definition at line 85 of file submatrix_dissection.F.

◆ communicate_results()

procedure submatrix_dissection::submatrix_dissection_type::communicate_results	(	class(submatrix_dissection_type), intent(inout)	this,
		type(dbcsr_type), intent(inout)	resultmat
	)

finalize results back into a dbcsr matrix

Parameters

this	- object of class submatrix_dissection_type
resultmat	- result dbcsr matrix

History: 2020.02 created [Michael Lass] 2020.05 add time measurements [Michael Lass]

Definition at line 86 of file submatrix_dissection.F.

◆ get_relevant_sm_columns()

procedure submatrix_dissection::submatrix_dissection_type::get_relevant_sm_columns	(	class(submatrix_dissection_type), intent(in)	this,
		integer, intent(in)	sm_id,
		integer, intent(out)	first,
		integer, intent(out)	last
	)

determine which columns of the submatrix are relevant for the result matrix

Parameters

this	- object of class submatrix_dissection_type
sm_id	- id of the submatrix
first	- first column of submatrix that is relevant
last	- last column of submatrix that is relevant

Definition at line 87 of file submatrix_dissection.F.

Field Documentation

◆ dbcsr_mat

type(dbcsr_type) submatrix_dissection::submatrix_dissection_type::dbcsr_mat

Definition at line 67 of file submatrix_dissection.F.

◆ dist

type(dbcsr_distribution_type) submatrix_dissection::submatrix_dissection_type::dist

Definition at line 68 of file submatrix_dissection.F.

◆ initialized

logical submatrix_dissection::submatrix_dissection_type::initialized = .FALSE.

Definition at line 69 of file submatrix_dissection.F.

◆ group

type(mp_comm_type) submatrix_dissection::submatrix_dissection_type::group

Definition at line 70 of file submatrix_dissection.F.

◆ numnodes

integer submatrix_dissection::submatrix_dissection_type::numnodes

Definition at line 71 of file submatrix_dissection.F.

◆ myrank

integer submatrix_dissection::submatrix_dissection_type::myrank

Definition at line 71 of file submatrix_dissection.F.

◆ nblkcols

integer submatrix_dissection::submatrix_dissection_type::nblkcols

Definition at line 71 of file submatrix_dissection.F.

◆ nblkrows

integer submatrix_dissection::submatrix_dissection_type::nblkrows

Definition at line 71 of file submatrix_dissection.F.

◆ nblks

integer submatrix_dissection::submatrix_dissection_type::nblks

Definition at line 71 of file submatrix_dissection.F.

◆ local_blocks

integer submatrix_dissection::submatrix_dissection_type::local_blocks

Definition at line 71 of file submatrix_dissection.F.

◆ cols_per_sm

integer submatrix_dissection::submatrix_dissection_type::cols_per_sm

Definition at line 71 of file submatrix_dissection.F.

◆ number_of_submatrices

integer submatrix_dissection::submatrix_dissection_type::number_of_submatrices

Definition at line 71 of file submatrix_dissection.F.

◆ row_blk_size

integer, dimension(:), pointer submatrix_dissection::submatrix_dissection_type::row_blk_size

Definition at line 73 of file submatrix_dissection.F.

◆ col_blk_size

integer, dimension(:), pointer submatrix_dissection::submatrix_dissection_type::col_blk_size

Definition at line 73 of file submatrix_dissection.F.

◆ coo_cols

integer, dimension(:), allocatable submatrix_dissection::submatrix_dissection_type::coo_cols

Definition at line 74 of file submatrix_dissection.F.

◆ coo_rows

integer, dimension(:), allocatable submatrix_dissection::submatrix_dissection_type::coo_rows

Definition at line 74 of file submatrix_dissection.F.

◆ coo_col_offsets

integer, dimension(:), allocatable submatrix_dissection::submatrix_dissection_type::coo_col_offsets

Definition at line 74 of file submatrix_dissection.F.

◆ coo_cols_local

integer, dimension(:), allocatable submatrix_dissection::submatrix_dissection_type::coo_cols_local

Definition at line 74 of file submatrix_dissection.F.

◆ coo_rows_local

integer, dimension(:), allocatable submatrix_dissection::submatrix_dissection_type::coo_rows_local

Definition at line 74 of file submatrix_dissection.F.

◆ coo_col_offsets_local

integer, dimension(:), allocatable submatrix_dissection::submatrix_dissection_type::coo_col_offsets_local

Definition at line 74 of file submatrix_dissection.F.

◆ submatrix_owners

integer, dimension(:), allocatable submatrix_dissection::submatrix_dissection_type::submatrix_owners

Definition at line 74 of file submatrix_dissection.F.

◆ submatrix_sizes

integer, dimension(:), allocatable submatrix_dissection::submatrix_dissection_type::submatrix_sizes

Definition at line 74 of file submatrix_dissection.F.

◆ recvbufs

type(buffer_type), dimension(:), allocatable submatrix_dissection::submatrix_dissection_type::recvbufs

Definition at line 76 of file submatrix_dissection.F.

◆ result_sendbufs

type(buffer_type), dimension(:), allocatable submatrix_dissection::submatrix_dissection_type::result_sendbufs

Definition at line 76 of file submatrix_dissection.F.

◆ result_blocks_for_rank

type(set_type), dimension(:), allocatable submatrix_dissection::submatrix_dissection_type::result_blocks_for_rank

Definition at line 77 of file submatrix_dissection.F.

◆ result_blocks_from_rank

type(set_type), dimension(:), allocatable submatrix_dissection::submatrix_dissection_type::result_blocks_from_rank

Definition at line 77 of file submatrix_dissection.F.

◆ coo_dptr

type(bufptr_type), dimension(:), allocatable submatrix_dissection::submatrix_dissection_type::coo_dptr

Definition at line 78 of file submatrix_dissection.F.

◆ result_blocks_for_rank_buf_offsets

type(intbuffer_type), dimension(:), allocatable submatrix_dissection::submatrix_dissection_type::result_blocks_for_rank_buf_offsets

Definition at line 79 of file submatrix_dissection.F.

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

submatrix_dissection.F

Public Member Functions

Data Fields

Detailed Description

Member Function/Subroutine Documentation

◆ init()

◆ final()

◆ get_sm_ids_for_rank()

◆ generate_submatrix()

◆ copy_resultcol()

◆ communicate_results()

◆ get_relevant_sm_columns()

Field Documentation

◆ dbcsr_mat

◆ dist

◆ initialized

◆ group

◆ numnodes

◆ myrank

◆ nblkcols

◆ nblkrows

◆ nblks

◆ local_blocks

◆ cols_per_sm

◆ number_of_submatrices

◆ row_blk_size

◆ col_blk_size

◆ coo_cols

◆ coo_rows

◆ coo_col_offsets

◆ coo_cols_local

◆ coo_rows_local

◆ coo_col_offsets_local

◆ submatrix_owners

◆ submatrix_sizes

◆ recvbufs

◆ result_sendbufs

◆ result_blocks_for_rank

◆ result_blocks_from_rank

◆ coo_dptr

◆ result_blocks_for_rank_buf_offsets