pastix_zlrcores.h File Reference

#include "pastix_lowrank.h"

Go to the source code of this file.

Data Structures
struct	core_zlrmm_s
	Structure to store all the parameters of the core_zlrmm family functions. More...

Typedefs
PastixComplex64 main template to convert a full rank matrix to low-rank
typedef int(*	core_zrrqr_cp_t) (double tol, pastix_int_t maxrank, int refine, pastix_int_t nb, pastix_int_t m, pastix_int_t n, pastix_complex64_t *A, pastix_int_t lda, pastix_int_t *jpvt, pastix_complex64_t *tau, pastix_complex64_t *work, pastix_int_t lwork, double *rwork)
	TODO.
typedef int(*	core_zrrqr_rt_t) (double tol, pastix_int_t maxrank, pastix_int_t nb, pastix_int_t m, pastix_int_t n, pastix_complex64_t *A, pastix_int_t lda, pastix_complex64_t *tau, pastix_complex64_t *B, pastix_int_t ldb, pastix_complex64_t *tau_b, pastix_complex64_t *work, pastix_int_t lwork, double normA)
	TODO.

Functions
pastix_fixdbl_t	core_zlrmm (core_zlrmm_t *params)
	Compute the matrix matrix product when involved matrices are stored in a low-rank structure.
PastixComplex64 low-rank kernels
void	core_zlralloc (pastix_int_t M, pastix_int_t N, pastix_int_t rkmax, pastix_lrblock_t *A)
	Allocate a low-rank matrix.
void	core_zlrfree (pastix_lrblock_t *A)
	Free a low-rank matrix.
int	core_zlrsze (int copy, pastix_int_t M, pastix_int_t N, pastix_lrblock_t *A, pastix_int_t newrk, pastix_int_t newrkmax, pastix_int_t rklimit)
	Resize a low-rank matrix.
int	core_zlr2ge (pastix_trans_t trans, pastix_int_t M, pastix_int_t N, const pastix_lrblock_t *Alr, pastix_complex64_t *A, pastix_int_t lda)
	Convert a low rank matrix into a dense matrix.
void	core_zlrcpy (const pastix_lr_t *lowrank, pastix_trans_t transA, pastix_complex64_t alpha, pastix_int_t M1, pastix_int_t N1, const pastix_lrblock_t *A, pastix_int_t M2, pastix_int_t N2, pastix_lrblock_t *B, pastix_int_t offx, pastix_int_t offy)
	Copy a small low-rank structure into a large one.
void	core_zlrconcatenate_u (pastix_complex64_t alpha, pastix_int_t M1, pastix_int_t N1, const pastix_lrblock_t *A, pastix_int_t M2, pastix_lrblock_t *B, pastix_int_t offx, pastix_complex64_t *u1u2)
	Concatenate left parts of two low-rank matrices.
void	core_zlrconcatenate_v (pastix_trans_t transA1, pastix_complex64_t alpha, pastix_int_t M1, pastix_int_t N1, const pastix_lrblock_t *A, pastix_int_t N2, pastix_lrblock_t *B, pastix_int_t offy, pastix_complex64_t *v1v2)
	Concatenate right parts of two low-rank matrices.
double	core_zlrnrm (pastix_normtype_t ntype, int transV, pastix_int_t M, pastix_int_t N, const pastix_lrblock_t *A)
	Compute the norm of a low-rank matrix.
size_t	core_zlrgetsize (pastix_int_t M, pastix_int_t N, pastix_lrblock_t *A)
	Compute the size of a block to send in LR.
char *	core_zlrpack (pastix_int_t M, pastix_int_t N, const pastix_lrblock_t *A, char *buffer)
	Pack low-rank data by side.
char *	core_zlrunpack (pastix_int_t M, pastix_int_t N, pastix_lrblock_t *A, char *buffer)
	Unpack low rank data and fill the cblk concerned by the computation.
const char *	core_zlrunpack2 (pastix_int_t M, pastix_int_t N, pastix_lrblock_t *A, const char *input, char **outptr)
	Unpack low rank data and fill the cblk concerned by the computation.
update_fr Functions to perform the update on a full-rank matrix
pastix_fixdbl_t	core_zfrfr2fr (core_zlrmm_t *params)
	Perform the full-rank operation C = alpha * op(A) * op(B) + beta C.
pastix_fixdbl_t	core_zfrlr2fr (core_zlrmm_t *params)
	Perform the operation C = alpha * op(A) * op(B) + beta C, with A and C full-rank and B low-rank.
pastix_fixdbl_t	core_zlrfr2fr (core_zlrmm_t *params)
	Perform the operation C = alpha * op(A) * op(B) + beta C, with B and C full-rank and A low-rank.
pastix_fixdbl_t	core_zlrlr2fr (core_zlrmm_t *params)
	Perform the operation C = alpha * op(A) * op(B) + beta C, with A and B low-rank and C full-rank.
update_lr Functions to prepare the AB product for an update on a low-rank matrix
pastix_fixdbl_t	core_zfrfr2lr (core_zlrmm_t *params, pastix_lrblock_t *AB, int *infomask, pastix_int_t Kmax)
	Perform the operation AB = op(A) * op(B), with A and B full-rank and AB low-rank.
pastix_fixdbl_t	core_zfrlr2lr (core_zlrmm_t *params, pastix_lrblock_t *AB, int *infomask, pastix_int_t Brkmin)
	Perform the operation AB = op(A) * op(B), with A full-rank and B and AB low-rank.
pastix_fixdbl_t	core_zlrfr2lr (core_zlrmm_t *params, pastix_lrblock_t *AB, int *infomask, pastix_int_t Arkmin)
	Perform the operation AB = op(A) * op(B), with B full-rank and A and AB low-rank.
pastix_fixdbl_t	core_zlrlr2lr (core_zlrmm_t *params, pastix_lrblock_t *AB, int *infomask)
	Perform the operation AB = op(A) * op(B), with A, B, and AB low-rank.
add_lr Functions to add the AB contribution in a low-rank format to any C matrix
pastix_fixdbl_t	core_zlradd (core_zlrmm_t *params, const pastix_lrblock_t *AB, pastix_trans_t transV, int infomask)
	Perform the addition of two low-rank matrices.
PastixComplex64 SVD low-rank kernels
pastix_fixdbl_t	core_zge2lr_svd (int use_reltol, pastix_fixdbl_t tol, pastix_int_t rklimit, pastix_int_t m, pastix_int_t n, const void *Avoid, pastix_int_t lda, pastix_lrblock_t *Alr)
	Convert a full rank matrix in a low rank matrix, using SVD.
pastix_fixdbl_t	core_zrradd_svd (const pastix_lr_t *lowrank, pastix_trans_t transA1, const void *alphaptr, pastix_int_t M1, pastix_int_t N1, const pastix_lrblock_t *A, pastix_int_t M2, pastix_int_t N2, pastix_lrblock_t *B, pastix_int_t offx, pastix_int_t offy)
	Add two LR structures A=(-u1) v1^T and B=u2 v2^T into u2 v2^T.
PastixComplex64 Rank Revealing QR kernels for low-rank
pastix_fixdbl_t	core_zge2lr_pqrcp (int use_reltol, pastix_fixdbl_t tol, pastix_int_t rklimit, pastix_int_t m, pastix_int_t n, const void *Avoid, pastix_int_t lda, pastix_lrblock_t *Alr)
	Convert a full rank matrix in a low rank matrix, using PQRCP.
pastix_fixdbl_t	core_zrradd_pqrcp (const pastix_lr_t *lowrank, pastix_trans_t transA1, const void *alphaptr, pastix_int_t M1, pastix_int_t N1, const pastix_lrblock_t *A, pastix_int_t M2, pastix_int_t N2, pastix_lrblock_t *B, pastix_int_t offx, pastix_int_t offy)
	Add two LR structures A=(-u1) v1^T and B=u2 v2^T into u2 v2^T.
pastix_fixdbl_t	core_zge2lr_rqrcp (int use_reltol, pastix_fixdbl_t tol, pastix_int_t rklimit, pastix_int_t m, pastix_int_t n, const void *Avoid, pastix_int_t lda, pastix_lrblock_t *Alr)
	Convert a full rank matrix in a low rank matrix, using RQRCP.
pastix_fixdbl_t	core_zrradd_rqrcp (const pastix_lr_t *lowrank, pastix_trans_t transA1, const void *alphaptr, pastix_int_t M1, pastix_int_t N1, const pastix_lrblock_t *A, pastix_int_t M2, pastix_int_t N2, pastix_lrblock_t *B, pastix_int_t offx, pastix_int_t offy)
	Add two LR structures A=(-u1) v1^T and B=u2 v2^T into u2 v2^T.
pastix_fixdbl_t	core_zge2lr_tqrcp (int use_reltol, pastix_fixdbl_t tol, pastix_int_t rklimit, pastix_int_t m, pastix_int_t n, const void *Avoid, pastix_int_t lda, pastix_lrblock_t *Alr)
	Convert a full rank matrix in a low rank matrix, using TQRCP.
pastix_fixdbl_t	core_zrradd_tqrcp (const pastix_lr_t *lowrank, pastix_trans_t transA1, const void *alphaptr, pastix_int_t M1, pastix_int_t N1, const pastix_lrblock_t *A, pastix_int_t M2, pastix_int_t N2, pastix_lrblock_t *B, pastix_int_t offx, pastix_int_t offy)
	Add two LR structures A=(-u1) v1^T and B=u2 v2^T into u2 v2^T.
pastix_fixdbl_t	core_zge2lr_rqrrt (int use_reltol, pastix_fixdbl_t tol, pastix_int_t rklimit, pastix_int_t m, pastix_int_t n, const void *Avoid, pastix_int_t lda, pastix_lrblock_t *Alr)
	Convert a full rank matrix in a low rank matrix, using RQRRT.
pastix_fixdbl_t	core_zge2lr_qrcp (core_zrrqr_cp_t rrqrfct, int use_reltol, pastix_fixdbl_t tol, pastix_int_t rklimit, pastix_int_t m, pastix_int_t n, const void *Avoid, pastix_int_t lda, pastix_lrblock_t *Alr)
	Template to convert a full rank matrix into a low rank matrix through QR decompositions.
pastix_fixdbl_t	core_zge2lr_qrrt (core_zrrqr_rt_t rrqrfct, int use_reltol, pastix_fixdbl_t tol, pastix_int_t rklimit, pastix_int_t m, pastix_int_t n, const void *Avoid, pastix_int_t lda, pastix_lrblock_t *Alr)
	Template to convert a full rank matrix into a low rank matrix through QR decompositions.
pastix_fixdbl_t	core_zrradd_qr (core_zrrqr_cp_t rrqrfct, const pastix_lr_t *lowrank, pastix_trans_t transA1, const void *alphaptr, pastix_int_t M1, pastix_int_t N1, const pastix_lrblock_t *A, pastix_int_t M2, pastix_int_t N2, pastix_lrblock_t *B, pastix_int_t offx, pastix_int_t offy)
	Template to perform the addition of two low-rank structures with compression kernel based on QR decomposition.
PastixComplex64 low-rank debug functions
void	core_zlrdbg_printsvd (pastix_int_t M, pastix_int_t N, const pastix_complex64_t *A, pastix_int_t lda)
	Print the svd values of the given matrix.
int	core_zlrdbg_check_orthogonality (pastix_int_t M, pastix_int_t N, const pastix_complex64_t *A, pastix_int_t lda)
	Check the orthogonality of the matrix A.
int	core_zlrdbg_check_orthogonality_AB (pastix_int_t M, pastix_int_t NA, pastix_int_t NB, const pastix_complex64_t *A, pastix_int_t lda, const pastix_complex64_t *B, pastix_int_t ldb)
	Check the orthogonality of the matrix A relatively to the matrix B.

PastixComplex64 LRMM low-rank kernels
#define	PASTE_CORE_ZLRMM_PARAMS(_a_)
	Initialize all the parameters of the core_zlrmm family functions to ease the access.
#define	PASTE_CORE_ZLRMM_VOID
	Void all the parameters of the core_zlrmm family functions to silent warnings.
typedef struct core_zlrmm_s	core_zlrmm_t
	Structure to store all the parameters of the core_zlrmm family functions.
static pastix_complex64_t *	core_zlrmm_getws (core_zlrmm_t *params, ssize_t newsize)
	Function to get a workspace pointer if space is available in the one provided.

Detailed Description

PaStiX kernel header.

Copyright

2016-2024 Bordeaux INP, CNRS (LaBRI UMR 5800), Inria, Univ. Bordeaux. All rights reserved.

Version

6.4.0

Author

Mathieu Faverge

Pierre Ramet

Xavier Lacoste

Esragul Korkmaz

Nolan Bredel

Date

2024-07-05

Generated arithmetic file

from /builds/2mk6rsew/0/solverstack/pastix/kernels/pastix_zlrcores.h, normal z -> z, Tue Feb 25 14:34:35 2025

Definition in file pastix_zlrcores.h.