Actual source code: petscscalapack.h
1: #pragma once
3: #include <petsc/private/matimpl.h>
4: #include <petscblaslapack.h>
6: typedef struct {
7: PetscBLASInt ictxt; /* process grid context */
8: PetscBLASInt nprow, npcol; /* number of process rows and columns */
9: PetscBLASInt myrow, mycol; /* coordinates of local process on the grid */
10: PetscInt grid_refct; /* reference count */
11: PetscBLASInt ictxrow, ictxcol; /* auxiliary 1d process grid contexts */
12: } Mat_ScaLAPACK_Grid;
14: typedef struct {
15: Mat_ScaLAPACK_Grid *grid; /* process grid */
16: PetscBLASInt desc[9]; /* ScaLAPACK descriptor */
17: PetscBLASInt M, N; /* global dimensions, for rows and columns */
18: PetscBLASInt locr, locc; /* dimensions of local array */
19: PetscBLASInt mb, nb; /* block size, for rows and columns */
20: PetscBLASInt rsrc, csrc; /* coordinates of process owning first row and column */
21: PetscScalar *loc; /* pointer to local array */
22: PetscBLASInt lld; /* local leading dimension */
23: PetscBLASInt *pivots; /* pivots in LU factorization */
24: PetscBool roworiented; /* if true, row-oriented input (default) */
25: } Mat_ScaLAPACK;
27: PETSC_INTERN PetscErrorCode MatMatMultSymbolic_ScaLAPACK(Mat, Mat, PetscReal, Mat);
28: PETSC_INTERN PetscErrorCode MatMatMultNumeric_ScaLAPACK(Mat, Mat, Mat);
30: /* Macro to check nonzero info after ScaLAPACK call */
31: #define PetscCheckScaLapackInfo(routine, info) \
32: do { \
33: PetscCheck(!info, PETSC_COMM_SELF, PETSC_ERR_LIB, "Error in ScaLAPACK subroutine %s: info=%d", routine, (int)info); \
34: } while (0)
36: #define PETSC_PASTE4_(a, b, c, d) a##b##c##d
37: #define PETSC_PASTE4(a, b, c, d) PETSC_PASTE4_(a, b, c, d)
39: #if defined(PETSC_BLASLAPACK_CAPS)
40: #define PETSC_SCALAPACK_PREFIX_ P
41: #define PETSCBLASNOTYPE(x, X) PETSC_PASTE2(X, PETSC_BLASLAPACK_SUFFIX_)
42: #define PETSCSCALAPACK(x, X) PETSC_PASTE4(PETSC_SCALAPACK_PREFIX_, PETSC_BLASLAPACK_PREFIX_, X, PETSC_BLASLAPACK_SUFFIX_)
43: #else
44: #define PETSC_SCALAPACK_PREFIX_ p
45: #define PETSCBLASNOTYPE(x, X) PETSC_PASTE2(x, PETSC_BLASLAPACK_SUFFIX_)
46: #define PETSCSCALAPACK(x, X) PETSC_PASTE4(PETSC_SCALAPACK_PREFIX_, PETSC_BLASLAPACK_PREFIX_, x, PETSC_BLASLAPACK_SUFFIX_)
47: #endif
49: /* BLACS routines (C interface) */
50: BLAS_EXTERN PetscBLASInt Csys2blacs_handle(MPI_Comm syscontext);
51: BLAS_EXTERN void Cblacs_pinfo(PetscBLASInt *mypnum, PetscBLASInt *nprocs);
52: BLAS_EXTERN void Cblacs_get(PetscBLASInt context, PetscBLASInt request, PetscBLASInt *value);
53: BLAS_EXTERN PetscBLASInt Cblacs_pnum(PetscBLASInt context, PetscBLASInt prow, PetscBLASInt pcol);
54: BLAS_EXTERN PetscBLASInt Cblacs_gridinit(PetscBLASInt *context, const char *order, PetscBLASInt np_row, PetscBLASInt np_col);
55: BLAS_EXTERN void Cblacs_gridinfo(PetscBLASInt context, PetscBLASInt *np_row, PetscBLASInt *np_col, PetscBLASInt *my_row, PetscBLASInt *my_col);
56: BLAS_EXTERN void Cblacs_gridexit(PetscBLASInt context);
57: BLAS_EXTERN void Cblacs_exit(PetscBLASInt error_code);
58: BLAS_EXTERN void Cdgebs2d(PetscBLASInt ctxt, const char *scope, const char *top, PetscBLASInt m, PetscBLASInt n, PetscScalar *A, PetscBLASInt lda);
59: BLAS_EXTERN void Cdgebr2d(PetscBLASInt ctxt, const char *scope, const char *top, PetscBLASInt m, PetscBLASInt n, PetscScalar *A, PetscBLASInt lda, PetscBLASInt rsrc, PetscBLASInt csrc);
60: BLAS_EXTERN void Cdgsum2d(PetscBLASInt ctxt, const char *scope, const char *top, PetscBLASInt m, PetscBLASInt n, PetscScalar *A, PetscBLASInt lda, PetscBLASInt rsrc, PetscBLASInt csrc);
62: /* PBLAS */
63: #define PBLASgemv_ PETSCSCALAPACK(gemv, GEMV)
64: #define PBLASgemm_ PETSCSCALAPACK(gemm, GEMM)
65: #if defined(PETSC_USE_COMPLEX)
66: #define PBLAStran_ PETSCSCALAPACK(tranc, TRANC)
67: #else
68: #define PBLAStran_ PETSCSCALAPACK(tran, TRAN)
69: #endif
71: BLAS_EXTERN void PBLASgemv_(const char *, PetscBLASInt *, PetscBLASInt *, PetscScalar *, PetscScalar *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscScalar *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscScalar *, PetscScalar *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *);
72: BLAS_EXTERN void PBLASgemm_(const char *, const char *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscScalar *, PetscScalar *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscScalar *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscScalar *, PetscScalar *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *);
73: BLAS_EXTERN void PBLAStran_(PetscBLASInt *, PetscBLASInt *, PetscScalar *, PetscScalar *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscScalar *, PetscScalar *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *);
75: /* ScaLAPACK */
76: #define SCALAPACKlange_ PETSCSCALAPACK(lange, LANGE)
77: #define SCALAPACKpotrf_ PETSCSCALAPACK(potrf, POTRF)
78: #define SCALAPACKpotrs_ PETSCSCALAPACK(potrs, POTRS)
79: #define SCALAPACKgetrf_ PETSCSCALAPACK(getrf, GETRF)
80: #define SCALAPACKgetrs_ PETSCSCALAPACK(getrs, GETRS)
82: BLAS_EXTERN PetscReal SCALAPACKlange_(const char *, PetscBLASInt *, PetscBLASInt *, PetscScalar *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscScalar *);
83: BLAS_EXTERN void SCALAPACKpotrf_(const char *, PetscBLASInt *, PetscScalar *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *);
84: BLAS_EXTERN void SCALAPACKpotrs_(const char *, PetscBLASInt *, PetscBLASInt *, PetscScalar *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscScalar *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *);
85: BLAS_EXTERN void SCALAPACKgetrf_(PetscBLASInt *, PetscBLASInt *, PetscScalar *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *);
86: BLAS_EXTERN void SCALAPACKgetrs_(const char *, PetscBLASInt *, PetscBLASInt *, PetscScalar *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscScalar *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *);
88: /* auxiliary routines */
89: #define SCALAPACKnumroc_ PETSCBLASNOTYPE(numroc, NUMROC)
90: #define SCALAPACKdescinit_ PETSCBLASNOTYPE(descinit, DESCINIT)
91: #define SCALAPACKinfog2l_ PETSCBLASNOTYPE(infog2l, INFOG2L)
92: #define SCALAPACKgemr2d_ PETSCSCALAPACK(gemr2d, GEMR2D)
93: #define SCALAPACKmatadd_ PETSCSCALAPACK(matadd, MATADD)
94: #define SCALAPACKelset_ PETSCSCALAPACK(elset, ELSET)
95: #define SCALAPACKelget_ PETSCSCALAPACK(elget, ELGET)
97: BLAS_EXTERN PetscBLASInt SCALAPACKnumroc_(PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *);
98: BLAS_EXTERN void SCALAPACKdescinit_(PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *);
99: BLAS_EXTERN void SCALAPACKinfog2l_(PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *);
100: BLAS_EXTERN void SCALAPACKgemr2d_(PetscBLASInt *, PetscBLASInt *, const PetscScalar *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscScalar *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *);
101: BLAS_EXTERN void SCALAPACKmatadd_(PetscBLASInt *, PetscBLASInt *, PetscScalar *, PetscScalar *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscScalar *, PetscScalar *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *);
102: BLAS_EXTERN void SCALAPACKelset_(PetscScalar *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *, PetscScalar *);
103: BLAS_EXTERN void SCALAPACKelget_(const char *, const char *, PetscScalar *, PetscScalar *, PetscBLASInt *, PetscBLASInt *, PetscBLASInt *);
105: /*
106: Macros to test valid arguments
107: */
108: #if !defined(PETSC_USE_DEBUG)
110: #define MatScaLAPACKCheckDistribution(a, arga, b, argb) \
111: do { \
112: (void)(a); \
113: (void)(b); \
114: } while (0)
116: #else
118: #define MatScaLAPACKCheckDistribution(a, arga, b, argb) \
119: do { \
120: Mat_ScaLAPACK *_aa = (Mat_ScaLAPACK *)(a)->data, *_bb = (Mat_ScaLAPACK *)(b)->data; \
121: PetscCheck(_aa->mb == _bb->mb && _aa->nb == _bb->nb && _aa->rsrc == _bb->rsrc && _aa->csrc == _bb->csrc && _aa->grid->nprow == _bb->grid->nprow && _aa->grid->npcol == _bb->grid->npcol && _aa->grid->myrow == _bb->grid->myrow && \
122: _aa->grid->mycol == _bb->grid->mycol, \
123: PetscObjectComm((PetscObject)(a)), PETSC_ERR_ARG_INCOMP, "Arguments #%d and #%d have different ScaLAPACK distribution", arga, argb); \
124: } while (0)
126: #endif