1 2 #if !defined(__MPIAIJ_H) 3 #define __MPIAIJ_H 4 5 #include <../src/mat/impls/aij/seq/aij.h> 6 7 typedef struct { 8 Mat A,B; /* local submatrices: A (diag part), 9 B (off-diag part) */ 10 PetscMPIInt size; /* size of communicator */ 11 PetscMPIInt rank; /* rank of proc in communicator */ 12 13 /* The following variables are used for matrix assembly */ 14 15 PetscBool donotstash; /* PETSC_TRUE if off processor entries dropped */ 16 MPI_Request *send_waits; /* array of send requests */ 17 MPI_Request *recv_waits; /* array of receive requests */ 18 PetscInt nsends,nrecvs; /* numbers of sends and receives */ 19 PetscScalar *svalues,*rvalues; /* sending and receiving data */ 20 PetscInt rmax; /* maximum message length */ 21 #if defined (PETSC_USE_CTABLE) 22 PetscTable colmap; 23 #else 24 PetscInt *colmap; /* local col number of off-diag col */ 25 #endif 26 PetscInt *garray; /* global index of all off-processor columns */ 27 28 /* The following variables are used for matrix-vector products */ 29 30 Vec lvec; /* local vector */ 31 Vec diag; 32 VecScatter Mvctx; /* scatter context for vector */ 33 PetscBool roworiented; /* if true, row-oriented input, default true */ 34 35 /* The following variables are for MatGetRow() */ 36 37 PetscInt *rowindices; /* column indices for row */ 38 PetscScalar *rowvalues; /* nonzero values in row */ 39 PetscBool getrowactive; /* indicates MatGetRow(), not restored */ 40 41 /* Used by MatDistribute_MPIAIJ() to allow reuse of previous matrix allocation and nonzero pattern */ 42 PetscInt *ld; /* number of entries per row left of diagona block */ 43 } Mat_MPIAIJ; 44 45 typedef struct { /* used by MatMatMult_MPIAIJ_MPIAIJ and MatPtAP_MPIAIJ_MPIAIJ for reusing symbolic mat product */ 46 /* used by MatMatMult_MPIAIJ_MPIAIJ() */ 47 IS isrowa,isrowb,iscolb; 48 Mat B_seq,A_loc,C_seq; 49 50 /* used by MatPtAP_MPIAIJ_MPIAIJ */ 51 PetscInt *startsj,*startsj_r; 52 PetscScalar *bufa; 53 Mat B_loc,B_oth; /* partial B_seq -- intend to replace B_seq */ 54 PetscInt *abi,*abj; /* symbolic i and j arrays of the local product A_loc*B_seq */ 55 PetscInt abnz_max; /* max(abi[i+1] - abi[i]), max num of nnz in a row of A_loc*B_seq */ 56 MatReuse reuse; 57 58 PetscErrorCode (*destroy)(Mat); 59 PetscErrorCode (*duplicate)(Mat,MatDuplicateOption,Mat*); 60 } Mat_MatMatMultMPI; 61 62 typedef struct { /* used by MatMerge_SeqsToMPI for reusing the merged matrix */ 63 PetscLayout rowmap; 64 PetscInt **buf_ri,**buf_rj; 65 PetscMPIInt *len_s,*len_r,*id_r; /* array of length of comm->size, store send/recv matrix values */ 66 PetscMPIInt nsend,nrecv; 67 PetscInt *bi,*bj; /* i and j array of the local portion of mpi C=P^T*A*P */ 68 PetscInt *owners_co,*coi,*coj; /* i and j array of (p->B)^T*A*P - used in the communication */ 69 PetscErrorCode (*destroy)(Mat); 70 PetscErrorCode (*duplicate)(Mat,MatDuplicateOption,Mat*); 71 } Mat_Merge_SeqsToMPI; 72 73 extern PetscErrorCode MatSetColoring_MPIAIJ(Mat,ISColoring); 74 extern PetscErrorCode MatSetValuesAdic_MPIAIJ(Mat,void*); 75 extern PetscErrorCode MatSetValuesAdifor_MPIAIJ(Mat,PetscInt,void*); 76 extern PetscErrorCode MatSetUpMultiply_MPIAIJ(Mat); 77 extern PetscErrorCode DisAssemble_MPIAIJ(Mat); 78 extern PetscErrorCode MatDuplicate_MPIAIJ(Mat,MatDuplicateOption,Mat *); 79 extern PetscErrorCode MatIncreaseOverlap_MPIAIJ(Mat,PetscInt,IS [],PetscInt); 80 extern PetscErrorCode MatFDColoringCreate_MPIAIJ(Mat,ISColoring,MatFDColoring); 81 extern PetscErrorCode MatGetSubMatrices_MPIAIJ (Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]); 82 extern PetscErrorCode MatGetSubMatrix_MPIAIJ_All(Mat,MatGetSubMatrixOption,MatReuse,Mat *[]); 83 extern PetscErrorCode MatGetSubMatricesParallel_MPIAIJ (Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]); 84 85 extern PetscErrorCode MatGetSubMatrix_MPIAIJ(Mat,IS,IS,MatReuse,Mat *); 86 extern PetscErrorCode MatGetSubMatrix_MPIAIJ_Private (Mat,IS,IS,PetscInt,MatReuse,Mat *); 87 extern PetscErrorCode MatGetMultiProcBlock_MPIAIJ(Mat,MPI_Comm,Mat*); 88 89 extern PetscErrorCode MatLoad_MPIAIJ(Mat,PetscViewer); 90 extern PetscErrorCode MatMatMult_MPIAIJ_MPIAIJ(Mat,Mat,MatReuse,PetscReal,Mat*); 91 extern PetscErrorCode MatMatMultSymbolic_MPIAIJ_MPIAIJ(Mat,Mat,PetscReal,Mat*); 92 extern PetscErrorCode MatMatMultNumeric_MPIAIJ_MPIAIJ(Mat,Mat,Mat); 93 extern PetscErrorCode MatPtAPSymbolic_MPIAIJ(Mat,Mat,PetscReal,Mat*); 94 extern PetscErrorCode MatPtAPNumeric_MPIAIJ(Mat,Mat,Mat); 95 extern PetscErrorCode MatPtAPSymbolic_MPIAIJ_MPIAIJ(Mat,Mat,PetscReal,Mat*); 96 extern PetscErrorCode MatPtAPNumeric_MPIAIJ_MPIAIJ(Mat,Mat,Mat); 97 extern PetscErrorCode MatSetValues_MPIAIJ(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar [],InsertMode); 98 extern PetscErrorCode MatDestroy_MPIAIJ_MatMatMult(Mat); 99 extern PetscErrorCode PetscContainerDestroy_Mat_MatMatMultMPI(void*); 100 extern PetscErrorCode MatGetRedundantMatrix_MPIAIJ(Mat,PetscInt,MPI_Comm,PetscInt,MatReuse,Mat*); 101 extern PetscErrorCode MatGetSeqNonzeroStructure_MPIAIJ(Mat,Mat*); 102 103 EXTERN_C_BEGIN 104 extern PetscErrorCode MatMPIAIJSetPreallocation_MPIAIJ(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]); 105 EXTERN_C_END 106 107 #if !defined(PETSC_USE_COMPLEX) && !defined(PETSC_USE_REAL_SINGLE) && !defined(PETSC_USE_REAL___FLOAT128) 108 extern PetscErrorCode MatLUFactorSymbolic_MPIAIJ_TFS(Mat,IS,IS,const MatFactorInfo*,Mat*); 109 #endif 110 extern PetscErrorCode MatSolve_MPIAIJ(Mat,Vec,Vec); 111 extern PetscErrorCode MatILUFactor_MPIAIJ(Mat,IS,IS,const MatFactorInfo *); 112 113 EXTERN_C_BEGIN 114 extern PetscErrorCode MatGetDiagonalBlock_MPIAIJ(Mat,Mat *); 115 extern PetscErrorCode MatDiagonalScaleLocal_MPIAIJ(Mat,Vec); 116 EXTERN_C_END 117 118 #endif 119