PaStiX Handbook: build/kernels/cpucblk

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Functions
size_t	cpublok_dcompute_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_dcompute_size_lr (pastix_coefside_t side, const SolverCblk *cblk)
	Compute the size of a column block to send in LR. More...

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

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

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

char *	cpublok_dunpack_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_dunpack_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_dpack_fr (pastix_coefside_t side, const SolverCblk *cblk)
	Pack data in full rank. More...

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

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

void	cpucblk_dunpack (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: 2021-2024 Bordeaux INP, CNRS (LaBRI UMR 5800), Inria, Univ. Bordeaux. All rights reserved.

Version: 6.4.0

Author: Nolan Bredel

Date: 2024-07-05

Generated arithmetic file: from /builds/solverstack/pastix/kernels/cpucblk_zpack.h, normal z -> d, Tue Oct 8 14:17:11 2024

Definition in file cpucblk_dpack.h.

Function Documentation

◆ cpublok_dcompute_size_lr()

size_t cpublok_dcompute_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_dpack.c.

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

Referenced by cpucblk_dcompute_size_lr().

◆ cpucblk_dcompute_size_lr()

pastix_uint_t cpucblk_dcompute_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_dpack.c.

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

Referenced by cpucblk_dcompute_size().

◆ cpucblk_dcompute_size()

size_t cpucblk_dcompute_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_dpack.c.

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

◆ cpublok_dpack_lr()

char* cpublok_dpack_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_dpack.c.

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

Referenced by cpucblk_dpack_lr().

◆ cpucblk_dpack_lr()

void* cpucblk_dpack_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_dpack.c.

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

Referenced by cpucblk_dpack().

◆ cpublok_dunpack_lr()

char* cpublok_dunpack_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_dpack.c.

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

Referenced by cpucblk_dunpack_lr().

◆ cpucblk_dunpack_lr()

void cpucblk_dunpack_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_dpack.c.

References cblk_colnbr(), solver_cblk_s::cblktype, cpublok_dunpack_lr(), cpucblk_dalloc_lr(), solver_cblk_s::fblokptr, and pastix_int_t.

Referenced by cpucblk_dunpack().

◆ cpucblk_dpack_fr()

void* cpucblk_dpack_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_dpack.c.

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

Referenced by cpucblk_dpack().

◆ cpucblk_dunpack_fr()

void cpucblk_dunpack_fr	(	pastix_coefside_t	side,
		SolverCblk *	cblk,
		double *	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_dpack.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_dunpack().

◆ cpucblk_dpack()

void* cpucblk_dpack	(	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_dpack.c.

References solver_cblk_s::cblktype, cpucblk_dpack_fr(), and cpucblk_dpack_lr().

◆ cpucblk_dunpack()

void cpucblk_dunpack	(	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_dpack.c.

References solver_cblk_s::cblktype, cpucblk_dunpack_fr(), and cpucblk_dunpack_lr().

Functions

Detailed Description

Function Documentation

◆ cpublok_dcompute_size_lr()

◆ cpucblk_dcompute_size_lr()

◆ cpucblk_dcompute_size()

◆ cpublok_dpack_lr()

◆ cpucblk_dpack_lr()

◆ cpublok_dunpack_lr()

◆ cpucblk_dunpack_lr()

◆ cpucblk_dpack_fr()

◆ cpucblk_dunpack_fr()

◆ cpucblk_dpack()

◆ cpucblk_dunpack()