PaStiX Handbook: build/kernels/cpucblk

#include "common/common.h"
#include "blend/solver.h"
#include "cpucblk_spack.h"
#include "pastix_scores.h"
#include "pastix_slrcores.h"

Go to the source code of this file.

Functions
size_t	cpublok_scompute_size_lr (pastix_coefside_t side, pastix_int_t N, const SolverBlok *blok)
	Compute the size of a block to send in LR. More...

pastix_uint_t	cpucblk_scompute_size_lr (pastix_coefside_t side, const SolverCblk *cblk)
	Compute the size of a column block to send in LR. More...

size_t	cpucblk_scompute_size (pastix_coefside_t side, const SolverCblk *cblk)
	Compute the size of the buffer to send. More...

char *	cpublok_spack_lr (pastix_coefside_t side, pastix_uint_t N, const SolverBlok blok, char buffer)
	Pack low-rank data for a block. More...

void *	cpucblk_spack_lr (pastix_coefside_t side, SolverCblk *cblk, size_t size)
	Pack low-rank data for column block. More...

char *	cpublok_sunpack_lr (pastix_coefside_t side, pastix_int_t N, SolverBlok blok, char buffer)
	Unpack low rank data and fill the block concerned by the computation. More...

void	cpucblk_sunpack_lr (pastix_coefside_t side, SolverCblk cblk, void buffer)
	Unpack low rank data and fill the column block concerned by the computation. More...

void *	cpucblk_spack_fr (pastix_coefside_t side, const SolverCblk *cblk)
	Pack data in full rank. More...

void	cpucblk_sunpack_fr (pastix_coefside_t side, SolverCblk cblk, float buffer)
	Unpack data in full rank and fill the column block concerned by the computation. More...

void *	cpucblk_spack (pastix_coefside_t side, SolverCblk *cblk, size_t size)
	Pack a column block (Full rank or low rank). More...

void	cpucblk_sunpack (pastix_coefside_t side, SolverCblk cblk, void buffer)
	Unpack data and fill the column block concerned by the computation. More...

Detailed Description

Precision dependent routines to pack and unpack cblks.

Copyright: 2021-2023 Bordeaux INP, CNRS (LaBRI UMR 5800), Inria, Univ. Bordeaux. All rights reserved.

Version: 6.3.0

Author: Nolan Bredel

Date: 2023-01-16

Generated arithmetic file: from /builds/solverstack/pastix/kernels/cpucblk_zpack.c, normal z -> s, Mon Aug 28 13:40:38 2023

Definition in file cpucblk_spack.c.

Function Documentation

◆ cpublok_scompute_size_lr()

size_t cpublok_scompute_size_lr	(	pastix_coefside_t	side,
		pastix_int_t	N,
		const SolverBlok *	blok
	)

Compute the size of a block to send in LR.

Parameters

[in]	side	Define which side of the cblk must be tested. PastixLCoef if lower part only PastixUCoef if upper part only PastixLUCoef if both sides.
[in]	N	The number of columns of the block.
[in]	blok	The block for which the size is computed.

Returns: size of the LR block to send in bytes

Definition at line 48 of file cpucblk_spack.c.

References blok_rownbr(), core_slrgetsize(), solver_blok_s::LRblock, PastixLCoef, and PastixUCoef.

Referenced by cpucblk_scompute_size_lr().

◆ cpucblk_scompute_size_lr()

pastix_uint_t cpucblk_scompute_size_lr	(	pastix_coefside_t	side,
		const SolverCblk *	cblk
	)

Compute the size of a column block to send in LR.

Parameters

[in]	side	Define which side of the cblk must be tested. PastixLCoef if lower part only PastixUCoef if upper part only PastixLUCoef if both sides.
[in]	cblk	The low-rank column block for which the size is computed.

Returns: size of the LR column block to send in bytes.

Definition at line 94 of file cpucblk_spack.c.

References cblk_colnbr(), solver_cblk_s::cblktype, cpublok_scompute_size_lr(), and solver_cblk_s::fblokptr.

Referenced by cpucblk_scompute_size().

◆ cpucblk_scompute_size()

size_t cpucblk_scompute_size	(	pastix_coefside_t	side,
		const SolverCblk *	cblk
	)

Compute the size of the buffer to send.

Parameters

[in]	side	Define which side of the cblk must be tested. PastixLCoef if lower part only PastixUCoef if upper part only PastixLUCoef if both sides.
[in]	cblk	The column block for which the size is computed.

Returns: Size of the buffer to send.

Definition at line 134 of file cpucblk_spack.c.

References cblk_colnbr(), solver_cblk_s::cblktype, cpucblk_scompute_size_lr(), PastixLUCoef, and solver_cblk_s::stride.

◆ cpublok_spack_lr()

char* cpublok_spack_lr	(	pastix_coefside_t	side,
		pastix_uint_t	N,
		const SolverBlok *	blok,
		char *	buffer
	)

Pack low-rank data for a block.

Parameters

[in]	side	Define which side of the cblk must be tested. PastixLCoef if lower part only PastixUCoef if upper part only PastixLUCoef if both sides.
[in]	N	Number of columns of the block.
[in]	blok	The solver block to pack.
[in,out]	buffer	Pointer to the buffer where to pack the data.

Returns: Pointer to the end of the packed data.

Definition at line 177 of file cpucblk_spack.c.

References blok_rownbr(), core_slrpack(), solver_blok_s::LRblock, PastixLCoef, and PastixUCoef.

Referenced by cpucblk_spack_lr().

◆ cpucblk_spack_lr()

void* cpucblk_spack_lr	(	pastix_coefside_t	side,
		SolverCblk *	cblk,
		size_t	size
	)

Pack low-rank data for column block.

Parameters

[in]	side	Define which side of the cblk must be tested. PastixLCoef if lower part only PastixUCoef if upper part only PastixLUCoef if both sides.
[in]	cblk	The column block to pack.
[in]	size	Size to allocate the buffer.

Returns: Pointer to the packed data.

Definition at line 220 of file cpucblk_spack.c.

References cblk_colnbr(), solver_cblk_s::cblktype, cpublok_spack_lr(), solver_cblk_s::fblokptr, solver_cblk_s::lcoeftab, PastixLCoef, PastixUCoef, and solver_cblk_s::ucoeftab.

Referenced by cpucblk_spack().

◆ cpublok_sunpack_lr()

char* cpublok_sunpack_lr	(	pastix_coefside_t	side,
		pastix_int_t	N,
		SolverBlok *	blok,
		char *	buffer
	)

Unpack low rank data and fill the block concerned by the computation.

Parameters

[in]	side	Define which side of the cblk must be tested. PastixLCoef if lower part only PastixUCoef if upper part only PastixLUCoef if both sides.
[in]	N	Number of columns of the block.
[in,out]	blok	The block concerned by the computation.
[in,out]	buffer	Pointer on the packed data.

Returns: Pointer to the next block to unpack.

Definition at line 272 of file cpucblk_spack.c.

References blok_rownbr(), core_slrunpack(), solver_blok_s::LRblock, PastixLCoef, and PastixUCoef.

Referenced by cpucblk_sunpack_lr().

◆ cpucblk_sunpack_lr()

void cpucblk_sunpack_lr	(	pastix_coefside_t	side,
		SolverCblk *	cblk,
		void *	buffer
	)

Unpack low rank data and fill the column block concerned by the computation.

Parameters

[in]	side	Define which side of the cblk must be tested. PastixLCoef if lower part only PastixUCoef if upper part only PastixLUCoef if both sides.
[in,out]	cblk	The column block to fill.
[in,out]	buffer	Pointer on packed data.

Definition at line 311 of file cpucblk_spack.c.

References cblk_colnbr(), solver_cblk_s::cblktype, cpublok_sunpack_lr(), cpucblk_salloc_lr(), and solver_cblk_s::fblokptr.

Referenced by cpucblk_sunpack().

◆ cpucblk_spack_fr()

void* cpucblk_spack_fr	(	pastix_coefside_t	side,
		const SolverCblk *	cblk
	)

Pack data in full rank.

Parameters

[in]	side	Define which side of the cblk must be tested. PastixLCoef if lower part only PastixUCoef if upper part only PastixLUCoef if both sides.
[in]	cblk	The column block that will be sent.

Returns: Pointer to the data buffer. Note that in full-rank, the data pointer is directly returned without data copy.

Definition at line 351 of file cpucblk_spack.c.

References solver_cblk_s::cblktype, solver_cblk_s::lcoeftab, PastixUCoef, and solver_cblk_s::ucoeftab.

Referenced by cpucblk_spack().

◆ cpucblk_sunpack_fr()

void cpucblk_sunpack_fr	(	pastix_coefside_t	side,
		SolverCblk *	cblk,
		float *	buffer
	)

Unpack data in full rank and fill the column block concerned by the computation.

Parameters

[in]	side	Define which side of the cblk must be tested. PastixLCoef if lower part only PastixUCoef if upper part only PastixLUCoef if both sides.
[in]	cblk	The column block to unpack.
[in]	buffer	Pointer on packed data.

Definition at line 380 of file cpucblk_spack.c.

References cblk_colnbr(), solver_cblk_s::cblktype, solver_cblk_s::lcoeftab, PastixLCoef, solver_cblk_s::stride, and solver_cblk_s::ucoeftab.

Referenced by cpucblk_sunpack().

◆ cpucblk_spack()

void* cpucblk_spack	(	pastix_coefside_t	side,
		SolverCblk *	cblk,
		size_t	size
	)

Pack a column block (Full rank or low rank).

Parameters

[in]	side	Define which side of the cblk must be tested. PastixLCoef if lower part only PastixUCoef if upper part only PastixLUCoef if both sides.
[in]	cblk	The column block that will be sent.
[in]	size	TODO

Returns: Pointer to the data buffer.

Definition at line 417 of file cpucblk_spack.c.

References solver_cblk_s::cblktype, cpucblk_spack_fr(), and cpucblk_spack_lr().

◆ cpucblk_sunpack()

void cpucblk_sunpack	(	pastix_coefside_t	side,
		SolverCblk *	cblk,
		void *	buffer
	)

Unpack data and fill the column block concerned by the computation.

Parameters

[in]	side	Define which side of the cblk must be tested. PastixLCoef if lower part only PastixUCoef if upper part only PastixLUCoef if both sides.
[in,out]	cblk	The cblk to unpack.
[in]	buffer	Pointer on packed data.

Definition at line 450 of file cpucblk_spack.c.

References solver_cblk_s::cblktype, cpucblk_sunpack_fr(), and cpucblk_sunpack_lr().

Functions

Detailed Description

Function Documentation

◆ cpublok_scompute_size_lr()

◆ cpucblk_scompute_size_lr()

◆ cpucblk_scompute_size()

◆ cpublok_spack_lr()

◆ cpucblk_spack_lr()

◆ cpublok_sunpack_lr()

◆ cpucblk_sunpack_lr()

◆ cpucblk_spack_fr()

◆ cpucblk_sunpack_fr()

◆ cpucblk_spack()

◆ cpucblk_sunpack()