1 2 #if !defined(__MPIAIJ_H) 3 #define __MPIAIJ_H 4 5 #include <../src/mat/impls/aij/seq/aij.h> 6 7 typedef struct { /* used by MatMatMult_MPIAIJ_MPIAIJ */ 8 /* used by MatMatMult_MPIAIJ_MPIAIJ() */ 9 IS isrowa,isrowb,iscolb; 10 Mat B_seq,A_loc,C_seq; 11 PetscErrorCode (*destroy)(Mat); 12 PetscErrorCode (*duplicate)(Mat,MatDuplicateOption,Mat*); 13 } Mat_MatMatMultMPI; 14 15 typedef struct { /* used by MatMerge_SeqsToMPI for reusing the merged matrix */ 16 PetscLayout rowmap; 17 PetscInt **buf_ri,**buf_rj; 18 PetscMPIInt *len_s,*len_r,*id_r; /* array of length of comm->size, store send/recv matrix values */ 19 PetscMPIInt nsend,nrecv; 20 PetscInt *bi,*bj; /* i and j array of the local portion of mpi C=P^T*A*P */ 21 PetscInt *owners_co,*coi,*coj; /* i and j array of (p->B)^T*A*P - used in the communication */ 22 PetscErrorCode (*destroy)(Mat); 23 PetscErrorCode (*duplicate)(Mat,MatDuplicateOption,Mat*); 24 } Mat_Merge_SeqsToMPI; 25 26 typedef struct { /* used by MatPtAP_MPIAIJ_MPIAIJ */ 27 PetscInt *startsj,*startsj_r; 28 PetscScalar *bufa; 29 Mat B_loc,B_oth; /* partial B_seq -- intend to replace B_seq */ 30 PetscInt *abi,*abj; /* symbolic i and j arrays of the local product A_loc*B_seq */ 31 PetscInt abnz_max; /* max(abi[i+1] - abi[i]), max num of nnz in a row of A_loc*B_seq */ 32 MatReuse reuse; 33 PetscScalar *apa; /* tmp array for store a row of A*P used in MatMatMult() */ 34 35 Mat_Merge_SeqsToMPI *merge; 36 PetscErrorCode (*destroy)(Mat); 37 } Mat_PtAPMPI; 38 39 typedef struct { 40 Mat A,B; /* local submatrices: A (diag part), 41 B (off-diag part) */ 42 PetscMPIInt size; /* size of communicator */ 43 PetscMPIInt rank; /* rank of proc in communicator */ 44 45 /* The following variables are used for matrix assembly */ 46 PetscBool donotstash; /* PETSC_TRUE if off processor entries dropped */ 47 MPI_Request *send_waits; /* array of send requests */ 48 MPI_Request *recv_waits; /* array of receive requests */ 49 PetscInt nsends,nrecvs; /* numbers of sends and receives */ 50 PetscScalar *svalues,*rvalues; /* sending and receiving data */ 51 PetscInt rmax; /* maximum message length */ 52 #if defined (PETSC_USE_CTABLE) 53 PetscTable colmap; 54 #else 55 PetscInt *colmap; /* local col number of off-diag col */ 56 #endif 57 PetscInt *garray; /* global index of all off-processor columns */ 58 59 /* The following variables are used for matrix-vector products */ 60 Vec lvec; /* local vector */ 61 Vec diag; 62 VecScatter Mvctx; /* scatter context for vector */ 63 PetscBool roworiented; /* if true, row-oriented input, default true */ 64 65 /* The following variables are for MatGetRow() */ 66 PetscInt *rowindices; /* column indices for row */ 67 PetscScalar *rowvalues; /* nonzero values in row */ 68 PetscBool getrowactive; /* indicates MatGetRow(), not restored */ 69 70 /* Used by MatDistribute_MPIAIJ() to allow reuse of previous matrix allocation and nonzero pattern */ 71 PetscInt *ld; /* number of entries per row left of diagona block */ 72 73 /* Used by MatPtAP */ 74 Mat_PtAPMPI *ptap; 75 } Mat_MPIAIJ; 76 77 extern PetscErrorCode MatSetColoring_MPIAIJ(Mat,ISColoring); 78 extern PetscErrorCode MatSetValuesAdic_MPIAIJ(Mat,void*); 79 extern PetscErrorCode MatSetValuesAdifor_MPIAIJ(Mat,PetscInt,void*); 80 extern PetscErrorCode MatSetUpMultiply_MPIAIJ(Mat); 81 extern PetscErrorCode DisAssemble_MPIAIJ(Mat); 82 extern PetscErrorCode MatDuplicate_MPIAIJ(Mat,MatDuplicateOption,Mat *); 83 extern PetscErrorCode MatIncreaseOverlap_MPIAIJ(Mat,PetscInt,IS [],PetscInt); 84 extern PetscErrorCode MatFDColoringCreate_MPIAIJ(Mat,ISColoring,MatFDColoring); 85 extern PetscErrorCode MatGetSubMatrices_MPIAIJ (Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]); 86 extern PetscErrorCode MatGetSubMatrix_MPIAIJ_All(Mat,MatGetSubMatrixOption,MatReuse,Mat *[]); 87 extern PetscErrorCode MatGetSubMatricesParallel_MPIAIJ (Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]); 88 89 extern PetscErrorCode MatGetSubMatrix_MPIAIJ(Mat,IS,IS,MatReuse,Mat *); 90 extern PetscErrorCode MatGetSubMatrix_MPIAIJ_Private (Mat,IS,IS,PetscInt,MatReuse,Mat *); 91 extern PetscErrorCode MatGetMultiProcBlock_MPIAIJ(Mat,MPI_Comm,Mat*); 92 93 extern PetscErrorCode MatLoad_MPIAIJ(Mat,PetscViewer); 94 extern PetscErrorCode MatMatMult_MPIDense_MPIAIJ(Mat,Mat,MatReuse,PetscReal,Mat*); 95 extern PetscErrorCode MatMatMult_MPIAIJ_MPIAIJ(Mat,Mat,MatReuse,PetscReal,Mat*); 96 extern PetscErrorCode MatMatMultSymbolic_MPIAIJ_MPIAIJ(Mat,Mat,PetscReal,Mat*); 97 extern PetscErrorCode MatMatMultNumeric_MPIAIJ_MPIAIJ(Mat,Mat,Mat); 98 99 extern PetscErrorCode MatPtAPSymbolic_MPIAIJ(Mat,Mat,PetscReal,Mat*); 100 extern PetscErrorCode MatPtAPNumeric_MPIAIJ(Mat,Mat,Mat); 101 extern PetscErrorCode MatPtAPSymbolic_MPIAIJ_MPIAIJ(Mat,Mat,PetscReal,Mat*); 102 extern PetscErrorCode MatPtAPNumeric_MPIAIJ_MPIAIJ(Mat,Mat,Mat); 103 extern PetscErrorCode MatGetBrowsOfAoCols_MPIAIJ(Mat,Mat,MatReuse,PetscInt**,PetscInt**,MatScalar**,Mat*); 104 extern PetscErrorCode MatSetValues_MPIAIJ(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar [],InsertMode); 105 extern PetscErrorCode MatDestroy_MPIAIJ_MatMatMult(Mat); 106 extern PetscErrorCode MatDestroy_MPIAIJ_MatMatMult_new(Mat); 107 extern PetscErrorCode PetscContainerDestroy_Mat_MatMatMultMPI(void*); 108 extern PetscErrorCode MatGetRedundantMatrix_MPIAIJ(Mat,PetscInt,MPI_Comm,PetscInt,MatReuse,Mat*); 109 extern PetscErrorCode MatGetSeqNonzeroStructure_MPIAIJ(Mat,Mat*); 110 111 EXTERN_C_BEGIN 112 extern PetscErrorCode MatMPIAIJSetPreallocation_MPIAIJ(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]); 113 EXTERN_C_END 114 115 #if !defined(PETSC_USE_COMPLEX) && !defined(PETSC_USE_REAL_SINGLE) && !defined(PETSC_USE_REAL___FLOAT128) 116 extern PetscErrorCode MatLUFactorSymbolic_MPIAIJ_TFS(Mat,IS,IS,const MatFactorInfo*,Mat*); 117 #endif 118 extern PetscErrorCode MatSolve_MPIAIJ(Mat,Vec,Vec); 119 extern PetscErrorCode MatILUFactor_MPIAIJ(Mat,IS,IS,const MatFactorInfo *); 120 121 EXTERN_C_BEGIN 122 extern PetscErrorCode MatGetDiagonalBlock_MPIAIJ(Mat,Mat *); 123 extern PetscErrorCode MatDiagonalScaleLocal_MPIAIJ(Mat,Vec); 124 EXTERN_C_END 125 126 #endif 127