Actual source code: mpiaij.h
petsc-3.3-p5 2012-12-01
5: #include <../src/mat/impls/aij/seq/aij.h>
7: typedef struct { /* used by MatCreateMPIAIJSumSeqAIJ for reusing the merged matrix */
8: PetscLayout rowmap;
9: PetscInt **buf_ri,**buf_rj;
10: PetscMPIInt *len_s,*len_r,*id_r; /* array of length of comm->size, store send/recv matrix values */
11: PetscMPIInt nsend,nrecv;
12: PetscInt *bi,*bj; /* i and j array of the local portion of mpi C (matrix product) - rename to ci, cj! */
13: PetscInt *owners_co,*coi,*coj; /* i and j array of (p->B)^T*A*P - used in the communication */
14: PetscErrorCode (*destroy)(Mat);
15: PetscErrorCode (*duplicate)(Mat,MatDuplicateOption,Mat*);
16: } Mat_Merge_SeqsToMPI;
18: typedef struct { /* used by MatPtAP_MPIAIJ_MPIAIJ() and MatMatMult_MPIAIJ_MPIAIJ() */
19: PetscInt *startsj_s,*startsj_r; /* used by MatGetBrowsOfAoCols_MPIAIJ */
20: PetscScalar *bufa; /* used by MatGetBrowsOfAoCols_MPIAIJ */
21: Mat P_loc,P_oth; /* partial B_seq -- intend to replace B_seq */
22: PetscInt *api,*apj; /* symbolic i and j arrays of the local product A_loc*B_seq */
23: PetscInt rmax; /* max num of nnz in a local row of the matrix product */
24: MatReuse reuse; /* flag to skip MatGetBrowsOfAoCols_MPIAIJ() and MatMPIAIJGetLocalMat() in 1st call of MatPtAPNumeric_MPIAIJ_MPIAIJ() */
25: PetscScalar *apa; /* tmp array for store a row of A*P used in MatMatMult() */
26: Mat A_loc; /* used by MatTransposeMatMult(), contains api and apj */
28: Mat_Merge_SeqsToMPI *merge;
29: PetscErrorCode (*destroy)(Mat);
30: PetscErrorCode (*duplicate)(Mat,MatDuplicateOption,Mat*);
31: } Mat_PtAPMPI;
33: typedef struct {
34: Mat A,B; /* local submatrices: A (diag part),
35: B (off-diag part) */
36: PetscMPIInt size; /* size of communicator */
37: PetscMPIInt rank; /* rank of proc in communicator */
39: /* The following variables are used for matrix assembly */
40: PetscBool donotstash; /* PETSC_TRUE if off processor entries dropped */
41: MPI_Request *send_waits; /* array of send requests */
42: MPI_Request *recv_waits; /* array of receive requests */
43: PetscInt nsends,nrecvs; /* numbers of sends and receives */
44: PetscScalar *svalues,*rvalues; /* sending and receiving data */
45: PetscInt rmax; /* maximum message length */
46: #if defined (PETSC_USE_CTABLE)
47: PetscTable colmap;
48: #else
49: PetscInt *colmap; /* local col number of off-diag col */
50: #endif
51: PetscInt *garray; /* global index of all off-processor columns */
53: /* The following variables are used for matrix-vector products */
54: Vec lvec; /* local vector */
55: Vec diag;
56: VecScatter Mvctx; /* scatter context for vector */
57: PetscBool roworiented; /* if true, row-oriented input, default true */
59: /* The following variables are for MatGetRow() */
60: PetscInt *rowindices; /* column indices for row */
61: PetscScalar *rowvalues; /* nonzero values in row */
62: PetscBool getrowactive; /* indicates MatGetRow(), not restored */
64: /* Used by MatDistribute_MPIAIJ() to allow reuse of previous matrix allocation and nonzero pattern */
65: PetscInt *ld; /* number of entries per row left of diagona block */
67: /* Used by MatMatMult() and MatPtAP() */
68: Mat_PtAPMPI *ptap;
69: } Mat_MPIAIJ;
71: extern PetscErrorCode MatSetColoring_MPIAIJ(Mat,ISColoring);
72: extern PetscErrorCode MatSetValuesAdic_MPIAIJ(Mat,void*);
73: extern PetscErrorCode MatSetValuesAdifor_MPIAIJ(Mat,PetscInt,void*);
74: extern PetscErrorCode MatSetUpMultiply_MPIAIJ(Mat);
75: extern PetscErrorCode MatDisAssemble_MPIAIJ(Mat);
76: extern PetscErrorCode MatDuplicate_MPIAIJ(Mat,MatDuplicateOption,Mat *);
77: extern PetscErrorCode MatIncreaseOverlap_MPIAIJ(Mat,PetscInt,IS [],PetscInt);
78: extern PetscErrorCode MatFDColoringCreate_MPIAIJ(Mat,ISColoring,MatFDColoring);
79: extern PetscErrorCode MatGetSubMatrices_MPIAIJ (Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]);
80: extern PetscErrorCode MatGetSubMatrix_MPIAIJ_All(Mat,MatGetSubMatrixOption,MatReuse,Mat *[]);
81: extern PetscErrorCode MatGetSubMatricesParallel_MPIAIJ (Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]);
83: extern PetscErrorCode MatGetSubMatrix_MPIAIJ(Mat,IS,IS,MatReuse,Mat *);
84: extern PetscErrorCode MatGetSubMatrix_MPIAIJ_Private (Mat,IS,IS,PetscInt,MatReuse,Mat *);
85: extern PetscErrorCode MatGetMultiProcBlock_MPIAIJ(Mat,MPI_Comm,MatReuse,Mat*);
87: extern PetscErrorCode MatLoad_MPIAIJ(Mat,PetscViewer);
88: extern PetscErrorCode MatMatMult_MPIDense_MPIAIJ(Mat,Mat,MatReuse,PetscReal,Mat*);
89: extern PetscErrorCode MatMatMult_MPIAIJ_MPIAIJ(Mat,Mat,MatReuse,PetscReal,Mat*);
90: extern PetscErrorCode MatMatMultSymbolic_MPIAIJ_MPIAIJ(Mat,Mat,PetscReal,Mat*);
91: extern PetscErrorCode MatMatMultSymbolic_MPIAIJ_MPIAIJ_Scalable(Mat,Mat,PetscReal,Mat*);
92: extern PetscErrorCode MatMatMultNumeric_MPIAIJ_MPIAIJ(Mat,Mat,Mat);
94: extern PetscErrorCode MatPtAPSymbolic_MPIAIJ(Mat,Mat,PetscReal,Mat*);
95: extern PetscErrorCode MatPtAPNumeric_MPIAIJ(Mat,Mat,Mat);
96: extern PetscErrorCode MatPtAPSymbolic_MPIAIJ_MPIAIJ(Mat,Mat,PetscReal,Mat*);
97: extern PetscErrorCode MatPtAPNumeric_MPIAIJ_MPIAIJ(Mat,Mat,Mat);
98: extern PetscErrorCode MatDestroy_MPIAIJ_PtAP(Mat);
100: extern PetscErrorCode MatGetBrowsOfAoCols_MPIAIJ(Mat,Mat,MatReuse,PetscInt**,PetscInt**,MatScalar**,Mat*);
101: extern PetscErrorCode MatSetValues_MPIAIJ(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar [],InsertMode);
102: extern PetscErrorCode MatDestroy_MPIAIJ_MatMatMult(Mat);
103: extern PetscErrorCode PetscContainerDestroy_Mat_MatMatMultMPI(void*);
105: extern PetscErrorCode MatTransposeMatMult_MPIAIJ_MPIAIJ(Mat,Mat,MatReuse,PetscReal,Mat*);
106: extern PetscErrorCode MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ(Mat,Mat,PetscReal,Mat*);
107: extern PetscErrorCode MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ_Scalable(Mat,Mat,PetscReal,Mat*);
108: extern PetscErrorCode MatTransposeMatMultNumeric_MPIAIJ_MPIAIJ(Mat,Mat,Mat);
110: extern PetscErrorCode MatGetRedundantMatrix_MPIAIJ(Mat,PetscInt,MPI_Comm,PetscInt,MatReuse,Mat*);
111: extern PetscErrorCode MatGetSeqNonzeroStructure_MPIAIJ(Mat,Mat*);
113: EXTERN_C_BEGIN
114: extern PetscErrorCode MatMPIAIJSetPreallocation_MPIAIJ(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
115: EXTERN_C_END
117: #if !defined(PETSC_USE_COMPLEX) && !defined(PETSC_USE_REAL_SINGLE) && !defined(PETSC_USE_REAL___FLOAT128)
118: extern PetscErrorCode MatLUFactorSymbolic_MPIAIJ_TFS(Mat,IS,IS,const MatFactorInfo*,Mat*);
119: #endif
120: extern PetscErrorCode MatSolve_MPIAIJ(Mat,Vec,Vec);
121: extern PetscErrorCode MatILUFactor_MPIAIJ(Mat,IS,IS,const MatFactorInfo *);
123: EXTERN_C_BEGIN
124: extern PetscErrorCode MatGetDiagonalBlock_MPIAIJ(Mat,Mat *);
125: extern PetscErrorCode MatDiagonalScaleLocal_MPIAIJ(Mat,Vec);
126: EXTERN_C_END
128: #endif