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 and MatPtAP_MPIAIJ_MPIAIJ for reusing symbolic mat product */ 8 /* used by MatMatMult_MPIAIJ_MPIAIJ() */ 9 IS isrowa,isrowb,iscolb; 10 Mat B_seq,A_loc,C_seq; 11 12 /* used by MatPtAP_MPIAIJ_MPIAIJ - mv!*/ 13 PetscInt *startsj,*startsj_r; 14 PetscScalar *bufa; 15 Mat B_loc,B_oth; /* partial B_seq -- intend to replace B_seq */ 16 PetscInt *abi,*abj; /* symbolic i and j arrays of the local product A_loc*B_seq */ 17 PetscInt abnz_max; /* max(abi[i+1] - abi[i]), max num of nnz in a row of A_loc*B_seq */ 18 MatReuse reuse; 19 20 PetscErrorCode (*destroy)(Mat); 21 PetscErrorCode (*duplicate)(Mat,MatDuplicateOption,Mat*); 22 } Mat_MatMatMultMPI; 23 24 typedef struct { /* used by MatMerge_SeqsToMPI for reusing the merged matrix */ 25 PetscLayout rowmap; 26 PetscInt **buf_ri,**buf_rj; 27 PetscMPIInt *len_s,*len_r,*id_r; /* array of length of comm->size, store send/recv matrix values */ 28 PetscMPIInt nsend,nrecv; 29 PetscInt *bi,*bj; /* i and j array of the local portion of mpi C=P^T*A*P */ 30 PetscInt *owners_co,*coi,*coj; /* i and j array of (p->B)^T*A*P - used in the communication */ 31 PetscErrorCode (*destroy)(Mat); 32 PetscErrorCode (*duplicate)(Mat,MatDuplicateOption,Mat*); 33 } Mat_Merge_SeqsToMPI; 34 35 typedef struct { /* used by MatPtAP_MPIAIJ_MPIAIJ */ 36 PetscInt *startsj,*startsj_r; 37 PetscScalar *bufa; 38 Mat B_loc,B_oth; /* partial B_seq -- intend to replace B_seq */ 39 PetscInt *abi,*abj; /* symbolic i and j arrays of the local product A_loc*B_seq */ 40 PetscInt abnz_max; /* max(abi[i+1] - abi[i]), max num of nnz in a row of A_loc*B_seq */ 41 MatReuse reuse; 42 43 Mat_Merge_SeqsToMPI *merge; 44 PetscErrorCode (*destroy)(Mat); 45 } Mat_PtAPMPI; 46 47 typedef struct { 48 Mat A,B; /* local submatrices: A (diag part), 49 B (off-diag part) */ 50 PetscMPIInt size; /* size of communicator */ 51 PetscMPIInt rank; /* rank of proc in communicator */ 52 53 /* The following variables are used for matrix assembly */ 54 PetscBool donotstash; /* PETSC_TRUE if off processor entries dropped */ 55 MPI_Request *send_waits; /* array of send requests */ 56 MPI_Request *recv_waits; /* array of receive requests */ 57 PetscInt nsends,nrecvs; /* numbers of sends and receives */ 58 PetscScalar *svalues,*rvalues; /* sending and receiving data */ 59 PetscInt rmax; /* maximum message length */ 60 #if defined (PETSC_USE_CTABLE) 61 PetscTable colmap; 62 #else 63 PetscInt *colmap; /* local col number of off-diag col */ 64 #endif 65 PetscInt *garray; /* global index of all off-processor columns */ 66 67 /* The following variables are used for matrix-vector products */ 68 Vec lvec; /* local vector */ 69 Vec diag; 70 VecScatter Mvctx; /* scatter context for vector */ 71 PetscBool roworiented; /* if true, row-oriented input, default true */ 72 73 /* The following variables are for MatGetRow() */ 74 PetscInt *rowindices; /* column indices for row */ 75 PetscScalar *rowvalues; /* nonzero values in row */ 76 PetscBool getrowactive; /* indicates MatGetRow(), not restored */ 77 78 /* Used by MatDistribute_MPIAIJ() to allow reuse of previous matrix allocation and nonzero pattern */ 79 PetscInt *ld; /* number of entries per row left of diagona block */ 80 81 /* Used by MatPtAP */ 82 Mat_PtAPMPI *ptap; 83 } Mat_MPIAIJ; 84 85 extern PetscErrorCode MatSetColoring_MPIAIJ(Mat,ISColoring); 86 extern PetscErrorCode MatSetValuesAdic_MPIAIJ(Mat,void*); 87 extern PetscErrorCode MatSetValuesAdifor_MPIAIJ(Mat,PetscInt,void*); 88 extern PetscErrorCode MatSetUpMultiply_MPIAIJ(Mat); 89 extern PetscErrorCode DisAssemble_MPIAIJ(Mat); 90 extern PetscErrorCode MatDuplicate_MPIAIJ(Mat,MatDuplicateOption,Mat *); 91 extern PetscErrorCode MatIncreaseOverlap_MPIAIJ(Mat,PetscInt,IS [],PetscInt); 92 extern PetscErrorCode MatFDColoringCreate_MPIAIJ(Mat,ISColoring,MatFDColoring); 93 extern PetscErrorCode MatGetSubMatrices_MPIAIJ (Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]); 94 extern PetscErrorCode MatGetSubMatrix_MPIAIJ_All(Mat,MatGetSubMatrixOption,MatReuse,Mat *[]); 95 extern PetscErrorCode MatGetSubMatricesParallel_MPIAIJ (Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]); 96 97 extern PetscErrorCode MatGetSubMatrix_MPIAIJ(Mat,IS,IS,MatReuse,Mat *); 98 extern PetscErrorCode MatGetSubMatrix_MPIAIJ_Private (Mat,IS,IS,PetscInt,MatReuse,Mat *); 99 extern PetscErrorCode MatGetMultiProcBlock_MPIAIJ(Mat,MPI_Comm,Mat*); 100 101 extern PetscErrorCode MatLoad_MPIAIJ(Mat,PetscViewer); 102 extern PetscErrorCode MatMatMult_MPIDense_MPIAIJ(Mat,Mat,MatReuse,PetscReal,Mat*); 103 extern PetscErrorCode MatMatMult_MPIAIJ_MPIAIJ(Mat,Mat,MatReuse,PetscReal,Mat*); 104 extern PetscErrorCode MatMatMultSymbolic_MPIAIJ_MPIAIJ(Mat,Mat,PetscReal,Mat*); 105 extern PetscErrorCode MatMatMultNumeric_MPIAIJ_MPIAIJ(Mat,Mat,Mat); 106 107 extern PetscErrorCode MatPtAPSymbolic_MPIAIJ(Mat,Mat,PetscReal,Mat*); 108 extern PetscErrorCode MatPtAPNumeric_MPIAIJ(Mat,Mat,Mat); 109 extern PetscErrorCode MatPtAPSymbolic_MPIAIJ_MPIAIJ(Mat,Mat,PetscReal,Mat*); 110 extern PetscErrorCode MatPtAPNumeric_MPIAIJ_MPIAIJ(Mat,Mat,Mat); 111 extern PetscErrorCode MatGetBrowsOfAoCols_MPIAIJ(Mat,Mat,MatReuse,PetscInt**,PetscInt**,MatScalar**,Mat*); 112 extern PetscErrorCode MatSetValues_MPIAIJ(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar [],InsertMode); 113 extern PetscErrorCode MatDestroy_MPIAIJ_MatMatMult(Mat); 114 extern PetscErrorCode PetscContainerDestroy_Mat_MatMatMultMPI(void*); 115 extern PetscErrorCode MatGetRedundantMatrix_MPIAIJ(Mat,PetscInt,MPI_Comm,PetscInt,MatReuse,Mat*); 116 extern PetscErrorCode MatGetSeqNonzeroStructure_MPIAIJ(Mat,Mat*); 117 118 EXTERN_C_BEGIN 119 extern PetscErrorCode MatMPIAIJSetPreallocation_MPIAIJ(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]); 120 EXTERN_C_END 121 122 #if !defined(PETSC_USE_COMPLEX) && !defined(PETSC_USE_REAL_SINGLE) && !defined(PETSC_USE_REAL___FLOAT128) 123 extern PetscErrorCode MatLUFactorSymbolic_MPIAIJ_TFS(Mat,IS,IS,const MatFactorInfo*,Mat*); 124 #endif 125 extern PetscErrorCode MatSolve_MPIAIJ(Mat,Vec,Vec); 126 extern PetscErrorCode MatILUFactor_MPIAIJ(Mat,IS,IS,const MatFactorInfo *); 127 128 EXTERN_C_BEGIN 129 extern PetscErrorCode MatGetDiagonalBlock_MPIAIJ(Mat,Mat *); 130 extern PetscErrorCode MatDiagonalScaleLocal_MPIAIJ(Mat,Vec); 131 EXTERN_C_END 132 133 #endif 134