PaStiX Handbook  6.2.1
pastix_dcores.h File Reference

Go to the source code of this file.

Functions

void solve_blok_dtrsm (pastix_side_t side, pastix_uplo_t uplo, pastix_trans_t trans, pastix_diag_t diag, const SolverCblk *cblk, int nrhs, const void *dataA, double *b, int ldb)
 Apply a solve trsm update related to a diagonal block of the matrix A. More...
 
void solve_blok_dgemm (pastix_side_t side, pastix_trans_t trans, pastix_int_t nrhs, const SolverCblk *cblk, const SolverBlok *blok, SolverCblk *fcbk, const void *dataA, const double *B, pastix_int_t ldb, double *C, pastix_int_t ldc)
 Apply a solve gemm update related to a single block of the matrix A. More...
 
void solve_cblk_dtrsmsp_forward (pastix_solv_mode_t mode, pastix_side_t side, pastix_uplo_t uplo, pastix_trans_t trans, pastix_diag_t diag, const SolverMatrix *datacode, const SolverCblk *cblk, int nrhs, double *b, int ldb)
 Apply a forward solve related to one cblk to all the right hand side. More...
 
void solve_cblk_dtrsmsp_backward (pastix_solv_mode_t mode, pastix_side_t side, pastix_uplo_t uplo, pastix_trans_t trans, pastix_diag_t diag, const SolverMatrix *datacode, SolverCblk *cblk, int nrhs, double *b, int ldb)
 Apply a backward solve related to one cblk to all the right hand side. More...
 
void solve_cblk_ddiag (const SolverCblk *cblk, int nrhs, double *b, int ldb, double *work)
 Apply the diagonal solve related to one cblk to all the right hand side. More...
 
void core_dsytrfsp1d_gemm (const SolverCblk *cblk, const SolverBlok *blok, SolverCblk *fcblk, const double *L, double *C, double *work)
 
PastixDouble BLAS kernels
void core_dplrnt (int m, int n, double *A, int lda, int gM, int m0, int n0, unsigned long long int seed)
 Generate a random tile. More...
 
void core_dgetmo (int m, int n, const double *A, int lda, double *B, int ldb)
 Transposes a m-by-n matrix out of place using an extra workspace of size m-by-n. More...
 
int core_dgeadd (pastix_trans_t trans, pastix_int_t M, pastix_int_t N, double alpha, const double *A, pastix_int_t LDA, double beta, double *B, pastix_int_t LDB)
 Add two matrices together. More...
 
int core_dgemdm (pastix_trans_t transA, pastix_trans_t transB, int M, int N, int K, double alpha, const double *A, int LDA, const double *B, int LDB, double beta, double *C, int LDC, const double *D, int incD, double *WORK, int LWORK)
 Perform one of the following matrix-matrix operations. More...
 
int core_dpqrcp (double tol, pastix_int_t maxrank, int full_update, pastix_int_t nb, pastix_int_t m, pastix_int_t n, double *A, pastix_int_t lda, pastix_int_t *jpvt, double *tau, double *work, pastix_int_t lwork, double *rwork)
 Compute a rank-reavealing QR factorization. More...
 
int core_drqrcp (double tol, pastix_int_t maxrank, int refine, pastix_int_t nb, pastix_int_t m, pastix_int_t n, double *A, pastix_int_t lda, pastix_int_t *jpvt, double *tau, double *work, pastix_int_t lwork, double *rwork)
 Compute a randomized QR factorization. More...
 
int core_drqrrt (double tol, pastix_int_t maxrank, pastix_int_t nb, pastix_int_t m, pastix_int_t n, double *A, pastix_int_t lda, double *tau, double *B, pastix_int_t ldb, double *tau_b, double *work, pastix_int_t lwork, double normA)
 Compute a randomized QR factorization with rotation technique. More...
 
int core_dtqrcp (double tol, pastix_int_t maxrank, int unused, pastix_int_t nb, pastix_int_t m, pastix_int_t n, double *A, pastix_int_t lda, pastix_int_t *jpvt, double *tau, double *work, pastix_int_t lwork, double *rwork)
 Compute a randomized QR factorization with truncated updates. More...
 
int core_dtradd (pastix_uplo_t uplo, pastix_trans_t trans, pastix_int_t M, pastix_int_t N, double alpha, const double *A, pastix_int_t LDA, double beta, double *B, pastix_int_t LDB)
 Add two triangular matrices together as in PBLAS pdtradd. More...
 
int core_dscalo (pastix_trans_t trans, pastix_int_t M, pastix_int_t N, const double *A, pastix_int_t lda, const double *D, pastix_int_t ldd, double *B, pastix_int_t ldb)
 Scale a matrix by a diagonal out of place. More...
 
PastixDouble Othogonalization kernels for low-rank updates
pastix_fixdbl_t core_dlrorthu_fullqr (pastix_int_t M, pastix_int_t N, pastix_int_t rank, double *U, pastix_int_t ldu, double *V, pastix_int_t ldv)
 Try to orthognalize the u part of the low-rank form, and update the v part accordingly using full QR. More...
 
pastix_fixdbl_t core_dlrorthu_partialqr (pastix_int_t M, pastix_int_t N, pastix_int_t r1, pastix_int_t *r2ptr, pastix_int_t offx, pastix_int_t offy, double *U, pastix_int_t ldu, double *V, pastix_int_t ldv)
 Try to orthognalize the U part of the low-rank form, and update the V part accordingly using partial QR. More...
 
pastix_fixdbl_t core_dlrorthu_cgs (pastix_int_t M1, pastix_int_t N1, pastix_int_t M2, pastix_int_t N2, pastix_int_t r1, pastix_int_t *r2ptr, pastix_int_t offx, pastix_int_t offy, double *U, pastix_int_t ldu, double *V, pastix_int_t ldv)
 Try to orthognalize the U part of the low-rank form, and update the V part accordingly using CGS. More...
 
PastixDouble LAPACK kernels
void core_dpotrfsp (pastix_int_t n, double *A, pastix_int_t lda, pastix_int_t *nbpivot, double criterion)
 Compute the block static pivoting Cholesky factorization of the matrix n-by-n A = L * L^t . More...
 
void core_dgetrfsp (pastix_int_t n, double *A, pastix_int_t lda, pastix_int_t *nbpivot, double criterion)
 Compute the block static pivoting LU factorization of the matrix m-by-n A = L * U. More...
 
void core_dsytrfsp (pastix_int_t n, double *A, pastix_int_t lda, pastix_int_t *nbpivot, double criterion)
 Compute the block static pivoting factorization of the symmetric matrix n-by-n A such that A = L * D * L^t. More...
 
PastixDouble cblk-BLAS CPU kernels
int cpucblk_dgeaddsp1d (const SolverCblk *cblk1, SolverCblk *cblk2, const double *L1, double *L2, const double *U1, double *U2)
 Add two column blocks together. More...
 
pastix_fixdbl_t cpucblk_dgemmsp (pastix_coefside_t sideA, pastix_trans_t trans, const SolverCblk *cblk, const SolverBlok *blok, SolverCblk *fcblk, const void *A, const void *B, void *C, double *work, pastix_int_t lwork, const pastix_lr_t *lowrank)
 Compute the updates associated to one off-diagonal block. More...
 
void cpucblk_dtrsmsp (pastix_side_t side, pastix_uplo_t uplo, pastix_trans_t trans, pastix_diag_t diag, const SolverCblk *cblk, const void *A, void *C, const pastix_lr_t *lowrank)
 Compute the updates associated to a column of off-diagonal blocks. More...
 
void cpucblk_dscalo (pastix_trans_t trans, SolverCblk *cblk, void *dataL, void *dataLD)
 Copy the L term with scaling for the two-terms algorithm. More...
 
pastix_fixdbl_t cpublok_dgemmsp (pastix_trans_t trans, const SolverCblk *cblk, SolverCblk *fcblk, pastix_int_t blok_mk, pastix_int_t blok_nk, pastix_int_t blok_mn, const void *A, const void *B, void *C, const pastix_lr_t *lowrank)
 Compute the CPU gemm associated to a couple of off-diagonal blocks. More...
 
pastix_fixdbl_t cpublok_dtrsmsp (pastix_side_t side, pastix_uplo_t uplo, pastix_trans_t trans, pastix_diag_t diag, const SolverCblk *cblk, pastix_int_t blok_m, const void *A, void *C, const pastix_lr_t *lowrank)
 Compute the updates associated to one off-diagonal block. More...
 
void cpublok_dscalo (pastix_trans_t trans, SolverCblk *cblk, pastix_int_t blok_m, const void *A, const void *dataD, void *dataB)
 Copy the lower terms of the block with scaling for the two-terms algorithm. More...
 
PastixDouble cblk LU kernels
int cpucblk_dgetrfsp1d_getrf (SolverMatrix *solvmtx, SolverCblk *cblk, void *L, void *U)
 Compute the LU factorization of the diagonal block in a panel. More...
 
int cpucblk_dgetrfsp1d_panel (SolverMatrix *solvmtx, SolverCblk *cblk, void *L, void *U)
 Compute the LU factorization of one panel. More...
 
int cpucblk_dgetrfsp1d (SolverMatrix *solvmtx, SolverCblk *cblk, double *work, pastix_int_t lwork)
 Perform the LU factorization of a given panel and apply all its updates. More...
 
PastixDouble cblk Cholesky kernels
int cpucblk_dpotrfsp1d_potrf (SolverMatrix *solvmtx, SolverCblk *cblk, void *dataL)
 Compute the Cholesky factorization of the diagonal block in a panel. More...
 
int cpucblk_dpotrfsp1d_panel (SolverMatrix *solvmtx, SolverCblk *cblk, void *dataL)
 Compute the Cholesky factorization of one panel. More...
 
int cpucblk_dpotrfsp1d (SolverMatrix *solvmtx, SolverCblk *cblk, double *work, pastix_int_t lwork)
 Perform the Cholesky factorization of a given panel and apply all its updates. More...
 
PastixDouble cblk LDL^h kernels
int cpucblk_dsytrfsp1d_sytrf (SolverMatrix *solvmtx, SolverCblk *cblk, void *L)
 Computes the LDL^t factorization of the diagonal block in a panel. More...
 
int cpucblk_dsytrfsp1d_panel (SolverMatrix *solvmtx, SolverCblk *cblk, void *L, void *DLh)
 Compute the LDL^t factorization of one panel. More...
 
int cpucblk_dsytrfsp1d (SolverMatrix *solvmtx, SolverCblk *cblk, double *work1, double *work2, pastix_int_t lwork)
 Perform the LDL^t factorization of a given panel and apply all its updates. More...
 
PastixDouble cblk LL^t kernels
int cpucblk_dpotrfsp1d_pxtrf (SolverMatrix *solvmtx, SolverCblk *cblk, void *dataL)
 
PastixDouble initialization and additionnal routines
void cpucblk_dalloc_lrws (const SolverCblk *cblk, pastix_lrblock_t *lrblok, double *ws)
 Initialize lrblock structure from a workspace from all blocks of the cblk associated. More...
 
void cpucblk_dalloc_lr (pastix_coefside_t side, SolverCblk *cblk, int rkmax)
 Allocate the cblk structure to store the coefficient. More...
 
void cpucblk_dalloc_fr (pastix_coefside_t side, SolverCblk *cblk)
 Allocate the cblk structure to store the coefficient. More...
 
void cpucblk_dalloc (pastix_coefside_t side, SolverCblk *cblk)
 Allocate the cblk structure to store the coefficient. More...
 
void cpucblk_dfree (pastix_coefside_t side, SolverCblk *cblk)
 Free the cblk structure that store the coefficient. More...
 
void cpucblk_dfillin (pastix_coefside_t side, const SolverMatrix *solvmtx, const pastix_bcsc_t *bcsc, pastix_int_t itercblk)
 Initialize the coeftab structure from the internal bcsc. More...
 
void cpucblk_dinit (pastix_coefside_t side, const SolverMatrix *solvmtx, const pastix_bcsc_t *bcsc, pastix_int_t itercblk, const char *directory)
 Fully initialize a single cblk. More...
 
void cpucblk_dgetschur (const SolverCblk *cblk, int upper_part, double *S, pastix_int_t lds)
 Extract a cblk panel of the Schur complement to a dense lapack form. More...
 
void cpucblk_ddump (pastix_coefside_t side, const SolverCblk *cblk, FILE *stream)
 Dump a single column block into a FILE in a human readale format. More...
 
int cpucblk_ddiff (pastix_coefside_t side, const SolverCblk *cblkA, SolverCblk *cblkB)
 Compare two column blocks in full-rank format. More...
 
void cpucblk_dadd (pastix_coefside_t side, double alpha, const SolverCblk *cblkA, SolverCblk *cblkB, const pastix_lr_t *lowrank)
 Add two column bloks in full rank format. More...
 
void cpucblk_dadd_recv (pastix_coefside_t side, double alpha, SolverCblk *cblk)
 
PastixDouble MPI routines
int cpucblk_dincoming_deps (int mt_flag, pastix_coefside_t side, SolverMatrix *solvmtx, SolverCblk *cblk)
 Wait for incoming dependencies, and return when cblk->ctrbcnt has reached 0. More...
 
void cpucblk_drelease_deps (pastix_coefside_t side, SolverMatrix *solvmtx, const SolverCblk *cblk, SolverCblk *fcbk)
 Release the dependencies of the given cblk after an update. More...
 
void cpucblk_drequest_cleanup (pastix_coefside_t side, pastix_int_t sched, SolverMatrix *solvmtx)
 Waitall routine for current cblk request. More...
 
void cpucblk_dmpi_progress (pastix_coefside_t side, SolverMatrix *solvmtx, int threadid)
 
void cpucblk_dsend_rhs_forward (const SolverMatrix *solvmtx, SolverCblk *cblk, double *b)
 Send the rhs associated to a cblk->lcolidx to the remote node. More...
 
void cpucblk_drecv_rhs_forward (const SolverMatrix *solvmtx, SolverCblk *cblk, double *work, pastix_int_t nrhs, double *b, pastix_int_t ldb)
 Receive the rhs associated to a cblk->lcolidx to the remote node. More...
 
void cpucblk_dsend_rhs_backward (const SolverMatrix *solvmtx, SolverCblk *cblk, double *b)
 Send the rhs associated to a cblk->lcolidx to the remote node. More...
 
void cpucblk_drecv_rhs_backward (const SolverMatrix *solvmtx, SolverCblk *cblk, double *b)
 Receive the rhs associated to a cblk->lcolidx to the remote node. More...
 
PastixDouble compression/uncompression routines
pastix_fixdbl_t cpublok_dcompress (const pastix_lr_t *lowrank, pastix_int_t M, pastix_int_t N, pastix_lrblock_t *blok)
 Compress a single block from full-rank to low-rank format. More...
 
pastix_int_t cpucblk_dcompress (const SolverMatrix *solvmtx, pastix_coefside_t side, int max_ilulvl, SolverCblk *cblk)
 Compress a single column block from full-rank to low-rank format. More...
 
void cpucblk_duncompress (pastix_coefside_t side, SolverCblk *cblk)
 Uncompress a single column block from low-rank format to full-rank format. More...
 
void cpucblk_dmemory (pastix_coefside_t side, SolverMatrix *solvmtx, SolverCblk *cblk, pastix_int_t *orig, pastix_int_t *gain)
 Return the memory gain of the low-rank form over the full-rank form for a single column-block. More...
 

Detailed Description

PaStiX kernel header.

Version
6.2.0
Author
Mathieu Faverge
Pierre Ramet
Xavier Lacoste
Esragul Korkmaz
Gregoire Pichon
Tony Delarue
Date
2021-03-30
Generated arithmetic file\n from /builds/solverstack/pastix/kernels/pastix_zcores.h, normal z -> d, Tue Apr 12 09:38:26 2022

Definition in file pastix_dcores.h.