Actual source code: mpiaij.h
petsc-3.4.2 2013-07-02
5: #include <../src/mat/impls/aij/seq/aij.h>
6: #include <petscctable.h>
8: typedef struct { /* used by MatCreateMPIAIJSumSeqAIJ for reusing the merged matrix */
9: PetscLayout rowmap;
10: PetscInt **buf_ri,**buf_rj;
11: PetscMPIInt *len_s,*len_r,*id_r; /* array of length of comm->size, store send/recv matrix values */
12: PetscMPIInt nsend,nrecv;
13: PetscInt *bi,*bj; /* i and j array of the local portion of mpi C (matrix product) - rename to ci, cj! */
14: PetscInt *owners_co,*coi,*coj; /* i and j array of (p->B)^T*A*P - used in the communication */
15: PetscErrorCode (*destroy)(Mat);
16: PetscErrorCode (*duplicate)(Mat,MatDuplicateOption,Mat*);
17: } Mat_Merge_SeqsToMPI;
19: typedef struct { /* used by MatPtAP_MPIAIJ_MPIAIJ() and MatMatMult_MPIAIJ_MPIAIJ() */
20: PetscInt *startsj_s,*startsj_r; /* used by MatGetBrowsOfAoCols_MPIAIJ */
21: PetscScalar *bufa; /* used by MatGetBrowsOfAoCols_MPIAIJ */
22: Mat P_loc,P_oth; /* partial B_seq -- intend to replace B_seq */
23: PetscInt *api,*apj; /* symbolic i and j arrays of the local product A_loc*B_seq */
24: PetscInt rmax; /* max num of nnz in a local row of the matrix product */
25: MatReuse reuse; /* flag to skip MatGetBrowsOfAoCols_MPIAIJ() and MatMPIAIJGetLocalMat() in 1st call of MatPtAPNumeric_MPIAIJ_MPIAIJ() */
26: PetscScalar *apa; /* tmp array for store a row of A*P used in MatMatMult() */
27: Mat A_loc; /* used by MatTransposeMatMult(), contains api and apj */
28: Mat Pt; /* used by MatTransposeMatMult(), Pt = P^T */
29: PetscBool scalable; /* flag determines scalable or non-scalable implementation */
31: Mat_Merge_SeqsToMPI *merge;
32: PetscErrorCode (*destroy)(Mat);
33: PetscErrorCode (*duplicate)(Mat,MatDuplicateOption,Mat*);
34: } Mat_PtAPMPI;
36: typedef struct {
37: Mat A,B; /* local submatrices: A (diag part),
38: B (off-diag part) */
39: PetscMPIInt size; /* size of communicator */
40: PetscMPIInt rank; /* rank of proc in communicator */
42: /* The following variables are used for matrix assembly */
43: PetscBool donotstash; /* PETSC_TRUE if off processor entries dropped */
44: MPI_Request *send_waits; /* array of send requests */
45: MPI_Request *recv_waits; /* array of receive requests */
46: PetscInt nsends,nrecvs; /* numbers of sends and receives */
47: PetscScalar *svalues,*rvalues; /* sending and receiving data */
48: PetscInt rmax; /* maximum message length */
49: #if defined(PETSC_USE_CTABLE)
50: PetscTable colmap;
51: #else
52: PetscInt *colmap; /* local col number of off-diag col */
53: #endif
54: PetscInt *garray; /* global index of all off-processor columns */
56: /* The following variables are used for matrix-vector products */
57: Vec lvec; /* local vector */
58: Vec diag;
59: VecScatter Mvctx; /* scatter context for vector */
60: PetscBool roworiented; /* if true, row-oriented input, default true */
62: /* The following variables are for MatGetRow() */
63: PetscInt *rowindices; /* column indices for row */
64: PetscScalar *rowvalues; /* nonzero values in row */
65: PetscBool getrowactive; /* indicates MatGetRow(), not restored */
67: /* Used by MatDistribute_MPIAIJ() to allow reuse of previous matrix allocation and nonzero pattern */
68: PetscInt *ld; /* number of entries per row left of diagona block */
70: /* Used by MatMatMult() and MatPtAP() */
71: Mat_PtAPMPI *ptap;
73: /* used by MatMatMatMult() */
74: Mat_MatMatMatMult *matmatmatmult;
76: /* Used by MPICUSP and MPICUSPARSE classes */
77: void * spptr;
78: } Mat_MPIAIJ;
80: PETSC_EXTERN PetscErrorCode MatCreate_MPIAIJ(Mat);
82: PETSC_INTERN PetscErrorCode MatSetColoring_MPIAIJ(Mat,ISColoring);
83: PETSC_INTERN PetscErrorCode MatSetValuesAdifor_MPIAIJ(Mat,PetscInt,void*);
84: PETSC_INTERN PetscErrorCode MatSetUpMultiply_MPIAIJ(Mat);
85: PETSC_INTERN PetscErrorCode MatDisAssemble_MPIAIJ(Mat);
86: PETSC_INTERN PetscErrorCode MatDuplicate_MPIAIJ(Mat,MatDuplicateOption,Mat*);
87: PETSC_INTERN PetscErrorCode MatIncreaseOverlap_MPIAIJ(Mat,PetscInt,IS [],PetscInt);
88: PETSC_INTERN PetscErrorCode MatFDColoringCreate_MPIAIJ(Mat,ISColoring,MatFDColoring);
89: PETSC_INTERN PetscErrorCode MatGetSubMatrices_MPIAIJ (Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]);
90: PETSC_INTERN PetscErrorCode MatGetSubMatrix_MPIAIJ_All(Mat,MatGetSubMatrixOption,MatReuse,Mat *[]);
91: PETSC_INTERN PetscErrorCode MatGetSubMatricesParallel_MPIAIJ (Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]);
93: PETSC_INTERN PetscErrorCode MatGetSubMatrix_MPIAIJ(Mat,IS,IS,MatReuse,Mat*);
94: PETSC_INTERN PetscErrorCode MatGetSubMatrix_MPIAIJ_Private (Mat,IS,IS,PetscInt,MatReuse,Mat*);
95: PETSC_INTERN PetscErrorCode MatGetMultiProcBlock_MPIAIJ(Mat,MPI_Comm,MatReuse,Mat*);
97: PETSC_INTERN PetscErrorCode MatLoad_MPIAIJ(Mat,PetscViewer);
98: PETSC_INTERN PetscErrorCode MatMatMult_MPIDense_MPIAIJ(Mat,Mat,MatReuse,PetscReal,Mat*);
99: PETSC_INTERN PetscErrorCode MatMatMult_MPIAIJ_MPIAIJ(Mat,Mat,MatReuse,PetscReal,Mat*);
100: PETSC_INTERN PetscErrorCode MatMatMultSymbolic_MPIAIJ_MPIAIJ(Mat,Mat,PetscReal,Mat*);
101: PETSC_INTERN PetscErrorCode MatMatMultSymbolic_MPIAIJ_MPIAIJ_Scalable(Mat,Mat,PetscReal,Mat*);
102: PETSC_INTERN PetscErrorCode MatMatMultNumeric_MPIAIJ_MPIAIJ(Mat,Mat,Mat);
104: PETSC_INTERN PetscErrorCode MatMatMatMult_MPIAIJ_MPIAIJ_MPIAIJ(Mat,Mat,Mat,MatReuse,PetscReal,Mat*);
105: PETSC_INTERN PetscErrorCode MatMatMatMultSymbolic_MPIAIJ_MPIAIJ_MPIAIJ(Mat,Mat,Mat,PetscReal,Mat*);
106: PETSC_INTERN PetscErrorCode MatMatMatMultNumeric_MPIAIJ_MPIAIJ_MPIAIJ(Mat,Mat,Mat,Mat);
108: PETSC_INTERN PetscErrorCode MatPtAP_MPIAIJ_MPIAIJ(Mat,Mat,MatReuse,PetscReal,Mat*);
109: PETSC_INTERN PetscErrorCode MatPtAPSymbolic_MPIAIJ_MPIAIJ(Mat,Mat,PetscReal,Mat*);
110: PETSC_INTERN PetscErrorCode MatPtAPNumeric_MPIAIJ_MPIAIJ(Mat,Mat,Mat);
111: PETSC_INTERN PetscErrorCode MatPtAPSymbolic_MPIAIJ_MPIAIJ(Mat,Mat,PetscReal,Mat*);
112: PETSC_INTERN PetscErrorCode MatPtAPNumeric_MPIAIJ_MPIAIJ(Mat,Mat,Mat);
113: PETSC_INTERN PetscErrorCode MatDestroy_MPIAIJ_PtAP(Mat);
114: PETSC_INTERN PetscErrorCode MatDestroy_MPIAIJ(Mat);
116: PETSC_INTERN PetscErrorCode MatGetBrowsOfAoCols_MPIAIJ(Mat,Mat,MatReuse,PetscInt**,PetscInt**,MatScalar**,Mat*);
117: PETSC_INTERN PetscErrorCode MatSetValues_MPIAIJ(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar [],InsertMode);
118: PETSC_INTERN PetscErrorCode MatDestroy_MPIAIJ_MatMatMult(Mat);
119: PETSC_INTERN PetscErrorCode PetscContainerDestroy_Mat_MatMatMultMPI(void*);
120: PETSC_INTERN PetscErrorCode MatSetOption_MPIAIJ(Mat,MatOption,PetscBool);
122: PETSC_INTERN PetscErrorCode MatTransposeMatMult_MPIAIJ_MPIAIJ(Mat,Mat,MatReuse,PetscReal,Mat*);
123: PETSC_INTERN PetscErrorCode MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ(Mat,Mat,PetscReal,Mat*);
124: PETSC_INTERN PetscErrorCode MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ_Scalable(Mat,Mat,PetscReal,Mat*);
125: PETSC_INTERN PetscErrorCode MatTransposeMatMultNumeric_MPIAIJ_MPIAIJ(Mat,Mat,Mat);
127: PETSC_INTERN PetscErrorCode MatGetRedundantMatrix_MPIAIJ(Mat,PetscInt,MPI_Comm,PetscInt,MatReuse,Mat*);
128: PETSC_INTERN PetscErrorCode MatGetSeqNonzeroStructure_MPIAIJ(Mat,Mat*);
130: extern PetscErrorCode MatMPIAIJSetPreallocation_MPIAIJ(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
132: #if !defined(PETSC_USE_COMPLEX) && !defined(PETSC_USE_REAL_SINGLE) && !defined(PETSC_USE_REAL___FLOAT128)
133: PETSC_INTERN PetscErrorCode MatLUFactorSymbolic_MPIAIJ_TFS(Mat,IS,IS,const MatFactorInfo*,Mat*);
134: #endif
135: PETSC_INTERN PetscErrorCode MatSolve_MPIAIJ(Mat,Vec,Vec);
136: PETSC_INTERN PetscErrorCode MatILUFactor_MPIAIJ(Mat,IS,IS,const MatFactorInfo*);
138: extern PetscErrorCode MatGetDiagonalBlock_MPIAIJ(Mat,Mat*);
139: extern PetscErrorCode MatDiagonalScaleLocal_MPIAIJ(Mat,Vec);
141: #endif