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 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; 17 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 */ 27 28 Mat_Merge_SeqsToMPI *merge; 29 PetscErrorCode (*destroy)(Mat); 30 PetscErrorCode (*duplicate)(Mat,MatDuplicateOption,Mat*); 31 } Mat_PtAPMPI; 32 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 */ 38 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 */ 52 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 */ 58 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 */ 63 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 */ 66 67 /* Used by MatMatMult() and MatPtAP() */ 68 Mat_PtAPMPI *ptap; 69 } Mat_MPIAIJ; 70 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 *[]); 82 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*); 86 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); 93 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); 99 100 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*); 104 105 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); 109 110 extern PetscErrorCode MatGetRedundantMatrix_MPIAIJ(Mat,PetscInt,MPI_Comm,PetscInt,MatReuse,Mat*); 111 extern PetscErrorCode MatGetSeqNonzeroStructure_MPIAIJ(Mat,Mat*); 112 113 EXTERN_C_BEGIN 114 extern PetscErrorCode MatMPIAIJSetPreallocation_MPIAIJ(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]); 115 EXTERN_C_END 116 117 #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 *); 122 123 EXTERN_C_BEGIN 124 extern PetscErrorCode MatGetDiagonalBlock_MPIAIJ(Mat,Mat *); 125 extern PetscErrorCode MatDiagonalScaleLocal_MPIAIJ(Mat,Vec); 126 EXTERN_C_END 127 128 #endif 129