Flops and time cost models

Data Structures
struct	cost_matrix_s
	Arrays of double to store the cost of each element in the matrix. More...

Typedefs
typedef struct cost_matrix_s	CostMatrix
	Arrays of double to store the cost of each element in the matrix.

Functions
void	costMatrixInit (CostMatrix *costmtx)
	Initialize the cost matrix structure.
void	costMatrixExit (CostMatrix *costmtx)
	Free the cost matrix structure.
CostMatrix *	costMatrixBuild (const symbol_matrix_t *symbmtx, pastix_coeftype_t flttype, pastix_factotype_t factotype)
	Build the cost matrix structure from the symbol matrix structure.

Detailed Description

This module contains all subroutines to initialize the cost arrays for a single matrix that will be used in the proportionnal mapping algorithm, as well as the simulation of the numerical factorization that defines the final mapping.

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Data Type Documentation

cost_matrix_s

struct cost_matrix_s

Arrays of double to store the cost of each element in the matrix.

Definition at line 30 of file cost.h.

Data Fields
double *	blokcost	Cost of the update generated by this block for off-diagonal block, fact+solve otherwise
double *	cblkcost	Cost of all the operations linked to a panel

Function Documentation

costMatrixInit()

void costMatrixInit

(

CostMatrix *

costmtx

)

Initialize the cost matrix structure.

Parameters

[in,out]

costmtx

The cost matrix structure to initialize.

Definition at line 38 of file cost.c.

References cost_matrix_s::blokcost, and cost_matrix_s::cblkcost.

Referenced by costMatrixBuild().

costMatrixExit()

void costMatrixExit

(

CostMatrix *

costmtx

)

Free the cost matrix structure.

Parameters

[in,out]

costmtx

The cost matrix structure to free.

Definition at line 57 of file cost.c.

References cost_matrix_s::blokcost, and cost_matrix_s::cblkcost.

Referenced by pastix_subtask_blend(), and splitSymbol().

costMatrixBuild()

CostMatrix * costMatrixBuild	(	const symbol_matrix_t *	symbmtx,
		pastix_coeftype_t	flttype,
		pastix_factotype_t	factotype
	)

Build the cost matrix structure from the symbol matrix structure.

Parameters

[in]	symbmtx	The symbol matrix structure.
[in]	flttype	The floating point arithmetic that will be used to adapt the cost models.
[in]	factotype	The factorization that will be appplied to adapt the cost models.

Returns

The cost matrix structure initialized with the cost of each block operation, and each cblk operation.

Definition at line 91 of file cost.c.

References cost_matrix_s::blokcost, symbol_matrix_s::bloknbr, cost_matrix_s::cblkcost, symbol_matrix_s::cblknbr, costMatrixInit(), and pastixSymbolGetTimes().

Referenced by pastix_subtask_blend(), and splitSymbol().