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 PetscScalar *apv; 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 Mat Pt; /* used by MatTransposeMatMult(), Pt = P^T */ 28 PetscBool scalable; /* flag determines scalable or non-scalable implementation */ 29 Mat Rd,Ro,AP_loc,C_loc,C_oth; 30 PetscInt algType; /* implementation algorithm */ 31 32 Mat_Merge_SeqsToMPI *merge; 33 PetscErrorCode (*destroy)(Mat); 34 PetscErrorCode (*duplicate)(Mat,MatDuplicateOption,Mat*); 35 PetscErrorCode (*view)(Mat,PetscViewer); 36 } Mat_PtAPMPI; 37 38 typedef struct { 39 Mat A,B; /* local submatrices: A (diag part), 40 B (off-diag part) */ 41 PetscMPIInt size; /* size of communicator */ 42 PetscMPIInt rank; /* rank of proc in communicator */ 43 44 /* The following variables are used for matrix assembly */ 45 PetscBool donotstash; /* PETSC_TRUE if off processor entries dropped */ 46 MPI_Request *send_waits; /* array of send requests */ 47 MPI_Request *recv_waits; /* array of receive requests */ 48 PetscInt nsends,nrecvs; /* numbers of sends and receives */ 49 PetscScalar *svalues,*rvalues; /* sending and receiving data */ 50 PetscInt rmax; /* maximum message length */ 51 #if defined(PETSC_USE_CTABLE) 52 PetscTable colmap; 53 #else 54 PetscInt *colmap; /* local col number of off-diag col */ 55 #endif 56 PetscInt *garray; /* global index of all off-processor columns */ 57 58 /* The following variables are used for matrix-vector products */ 59 Vec lvec; /* local vector */ 60 Vec diag; 61 VecScatter Mvctx,Mvctx_mpi1; /* scatter context for vector */ 62 PetscBool Mvctx_mpi1_flg; /* if true, additional Mvctx_mpi1 is requested for mat-mat ops, default false */ 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 MatMatMult() and MatPtAP() */ 74 Mat_PtAPMPI *ptap; 75 76 /* used by MatMatMatMult() */ 77 Mat_MatMatMatMult *matmatmatmult; 78 79 /* Used by MPICUSP and MPICUSPARSE classes */ 80 void * spptr; 81 82 } Mat_MPIAIJ; 83 84 PETSC_EXTERN PetscErrorCode MatCreate_MPIAIJ(Mat); 85 86 PETSC_INTERN PetscErrorCode MatAssemblyEnd_MPIAIJ(Mat,MatAssemblyType); 87 88 PETSC_INTERN PetscErrorCode MatSetUpMultiply_MPIAIJ(Mat); 89 PETSC_INTERN PetscErrorCode MatDisAssemble_MPIAIJ(Mat); 90 PETSC_INTERN PetscErrorCode MatDuplicate_MPIAIJ(Mat,MatDuplicateOption,Mat*); 91 PETSC_INTERN PetscErrorCode MatIncreaseOverlap_MPIAIJ(Mat,PetscInt,IS [],PetscInt); 92 PETSC_INTERN PetscErrorCode MatIncreaseOverlap_MPIAIJ_Scalable(Mat,PetscInt,IS [],PetscInt); 93 PETSC_INTERN PetscErrorCode MatFDColoringCreate_MPIXAIJ(Mat,ISColoring,MatFDColoring); 94 PETSC_INTERN PetscErrorCode MatFDColoringSetUp_MPIXAIJ(Mat,ISColoring,MatFDColoring); 95 PETSC_INTERN PetscErrorCode MatCreateSubMatrices_MPIAIJ (Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]); 96 PETSC_INTERN PetscErrorCode MatCreateSubMatricesMPI_MPIAIJ (Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]); 97 PETSC_INTERN PetscErrorCode MatCreateSubMatrix_MPIAIJ_All(Mat,MatCreateSubMatrixOption,MatReuse,Mat *[]); 98 99 100 PETSC_INTERN PetscErrorCode MatCreateSubMatrix_MPIAIJ(Mat,IS,IS,MatReuse,Mat*); 101 PETSC_INTERN PetscErrorCode MatCreateSubMatrix_MPIAIJ_nonscalable(Mat,IS,IS,PetscInt,MatReuse,Mat*); 102 PETSC_INTERN PetscErrorCode MatCreateSubMatrix_MPIAIJ_SameRowDist(Mat,IS,IS,IS,MatReuse,Mat*); 103 PETSC_INTERN PetscErrorCode MatCreateSubMatrix_MPIAIJ_SameRowColDist(Mat,IS,IS,MatReuse,Mat*); 104 PETSC_INTERN PetscErrorCode MatGetMultiProcBlock_MPIAIJ(Mat,MPI_Comm,MatReuse,Mat*); 105 106 PETSC_INTERN PetscErrorCode MatLoad_MPIAIJ(Mat,PetscViewer); 107 PETSC_INTERN PetscErrorCode MatCreateColmap_MPIAIJ_Private(Mat); 108 PETSC_INTERN PetscErrorCode MatMatMult_MPIDense_MPIAIJ(Mat,Mat,MatReuse,PetscReal,Mat*); 109 PETSC_INTERN PetscErrorCode MatMatMult_MPIAIJ_MPIAIJ(Mat,Mat,MatReuse,PetscReal,Mat*); 110 PETSC_INTERN PetscErrorCode MatMatMultSymbolic_MPIAIJ_MPIAIJ_nonscalable(Mat,Mat,PetscReal,Mat*); 111 PETSC_INTERN PetscErrorCode MatMatMultSymbolic_MPIAIJ_MPIAIJ(Mat,Mat,PetscReal,Mat*); 112 PETSC_INTERN PetscErrorCode MatMatMultNumeric_MPIAIJ_MPIAIJ(Mat,Mat,Mat); 113 PETSC_INTERN PetscErrorCode MatMatMultNumeric_MPIAIJ_MPIAIJ_nonscalable(Mat,Mat,Mat); 114 115 PETSC_INTERN PetscErrorCode MatMatMatMult_MPIAIJ_MPIAIJ_MPIAIJ(Mat,Mat,Mat,MatReuse,PetscReal,Mat*); 116 PETSC_INTERN PetscErrorCode MatMatMatMultSymbolic_MPIAIJ_MPIAIJ_MPIAIJ(Mat,Mat,Mat,PetscReal,Mat*); 117 PETSC_INTERN PetscErrorCode MatMatMatMultNumeric_MPIAIJ_MPIAIJ_MPIAIJ(Mat,Mat,Mat,Mat); 118 119 PETSC_INTERN PetscErrorCode MatPtAP_MPIAIJ_MPIAIJ(Mat,Mat,MatReuse,PetscReal,Mat*); 120 PETSC_INTERN PetscErrorCode MatPtAPSymbolic_MPIAIJ_MPIAIJ(Mat,Mat,PetscReal,Mat*); 121 PETSC_INTERN PetscErrorCode MatPtAPNumeric_MPIAIJ_MPIAIJ(Mat,Mat,Mat); 122 123 PETSC_INTERN PetscErrorCode MatPtAPSymbolic_MPIAIJ_MPIAIJ_scalable(Mat,Mat,PetscReal,Mat*); 124 PETSC_INTERN PetscErrorCode MatPtAPNumeric_MPIAIJ_MPIAIJ_scalable(Mat,Mat,Mat); 125 #if defined(PETSC_HAVE_HYPRE) 126 PETSC_INTERN PetscErrorCode MatPtAPSymbolic_AIJ_AIJ_wHYPRE(Mat,Mat,PetscReal,Mat*); 127 #endif 128 129 PETSC_INTERN PetscErrorCode MatDestroy_MPIAIJ_PtAP(Mat); 130 PETSC_INTERN PetscErrorCode MatDestroy_MPIAIJ(Mat); 131 132 PETSC_INTERN PetscErrorCode MatRARt_MPIAIJ_MPIAIJ(Mat,Mat,MatReuse,PetscReal,Mat*); 133 134 PETSC_INTERN PetscErrorCode MatGetBrowsOfAoCols_MPIAIJ(Mat,Mat,MatReuse,PetscInt**,PetscInt**,MatScalar**,Mat*); 135 PETSC_INTERN PetscErrorCode MatSetValues_MPIAIJ(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar [],InsertMode); 136 PETSC_INTERN PetscErrorCode MatDestroy_MPIAIJ_MatMatMult(Mat); 137 PETSC_INTERN PetscErrorCode PetscContainerDestroy_Mat_MatMatMultMPI(void*); 138 PETSC_INTERN PetscErrorCode MatSetOption_MPIAIJ(Mat,MatOption,PetscBool); 139 140 PETSC_INTERN PetscErrorCode MatTransposeMatMult_MPIAIJ_MPIAIJ(Mat,Mat,MatReuse,PetscReal,Mat*); 141 PETSC_INTERN PetscErrorCode MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ_nonscalable(Mat,Mat,PetscReal,Mat*); 142 PETSC_INTERN PetscErrorCode MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ(Mat,Mat,PetscReal,Mat*); 143 PETSC_INTERN PetscErrorCode MatTransposeMatMultNumeric_MPIAIJ_MPIAIJ(Mat,Mat,Mat); 144 PETSC_INTERN PetscErrorCode MatTransposeMatMultNumeric_MPIAIJ_MPIAIJ_nonscalable(Mat,Mat,Mat); 145 PETSC_INTERN PetscErrorCode MatTransposeMatMultNumeric_MPIAIJ_MPIAIJ_matmatmult(Mat,Mat,Mat); 146 PETSC_INTERN PetscErrorCode MatTransposeMatMult_MPIAIJ_MPIDense(Mat,Mat,MatReuse,PetscReal,Mat*); 147 PETSC_INTERN PetscErrorCode MatTransposeMatMultSymbolic_MPIAIJ_MPIDense(Mat,Mat,PetscReal,Mat*); 148 PETSC_INTERN PetscErrorCode MatTransposeMatMultNumeric_MPIAIJ_MPIDense(Mat,Mat,Mat); 149 PETSC_INTERN PetscErrorCode MatGetSeqNonzeroStructure_MPIAIJ(Mat,Mat*); 150 151 PETSC_INTERN PetscErrorCode MatSetFromOptions_MPIAIJ(PetscOptionItems*,Mat); 152 PETSC_INTERN PetscErrorCode MatMPIAIJSetPreallocation_MPIAIJ(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]); 153 154 #if !defined(PETSC_USE_COMPLEX) && !defined(PETSC_USE_REAL_SINGLE) && !defined(PETSC_USE_REAL___FLOAT128) && !defined(PETSC_USE_REAL___FP16) 155 PETSC_INTERN PetscErrorCode MatLUFactorSymbolic_MPIAIJ_TFS(Mat,IS,IS,const MatFactorInfo*,Mat*); 156 #endif 157 PETSC_INTERN PetscErrorCode MatSolve_MPIAIJ(Mat,Vec,Vec); 158 PETSC_INTERN PetscErrorCode MatILUFactor_MPIAIJ(Mat,IS,IS,const MatFactorInfo*); 159 160 PETSC_INTERN PetscErrorCode MatAXPYGetPreallocation_MPIX_private(PetscInt,const PetscInt*,const PetscInt*,const PetscInt*,const PetscInt*,const PetscInt*,const PetscInt*,PetscInt*); 161 162 extern PetscErrorCode MatGetDiagonalBlock_MPIAIJ(Mat,Mat*); 163 extern PetscErrorCode MatDiagonalScaleLocal_MPIAIJ(Mat,Vec); 164 165 PETSC_INTERN PetscErrorCode MatGetSeqMats_MPIAIJ(Mat,Mat*,Mat*); 166 PETSC_INTERN PetscErrorCode MatSetSeqMats_MPIAIJ(Mat,IS,IS,IS,MatStructure,Mat,Mat); 167 168 /* compute apa = A[i,:]*P = Ad[i,:]*P_loc + Ao*[i,:]*P_oth using sparse axpy */ 169 #define AProw_scalable(i,ad,ao,p_loc,p_oth,api,apj,apa) \ 170 {\ 171 PetscInt _anz,_pnz,_j,_k,*_ai,*_aj,_row,*_pi,*_pj,_nextp,*_apJ; \ 172 PetscScalar *_aa,_valtmp,*_pa; \ 173 _apJ = apj + api[i];\ 174 /* diagonal portion of A */\ 175 _ai = ad->i;\ 176 _anz = _ai[i+1] - _ai[i];\ 177 _aj = ad->j + _ai[i];\ 178 _aa = ad->a + _ai[i];\ 179 for (_j=0; _j<_anz; _j++) {\ 180 _row = _aj[_j]; \ 181 _pi = p_loc->i; \ 182 _pnz = _pi[_row+1] - _pi[_row]; \ 183 _pj = p_loc->j + _pi[_row]; \ 184 _pa = p_loc->a + _pi[_row]; \ 185 /* perform sparse axpy */ \ 186 _valtmp = _aa[_j]; \ 187 _nextp = 0; \ 188 for (_k=0; _nextp<_pnz; _k++) { \ 189 if (_apJ[_k] == _pj[_nextp]) { /* column of AP == column of P */ \ 190 apa[_k] += _valtmp*_pa[_nextp++]; \ 191 } \ 192 } \ 193 (void)PetscLogFlops(2.0*_pnz); \ 194 } \ 195 /* off-diagonal portion of A */ \ 196 _ai = ao->i;\ 197 _anz = _ai[i+1] - _ai[i]; \ 198 _aj = ao->j + _ai[i]; \ 199 _aa = ao->a + _ai[i]; \ 200 for (_j=0; _j<_anz; _j++) { \ 201 _row = _aj[_j]; \ 202 _pi = p_oth->i; \ 203 _pnz = _pi[_row+1] - _pi[_row]; \ 204 _pj = p_oth->j + _pi[_row]; \ 205 _pa = p_oth->a + _pi[_row]; \ 206 /* perform sparse axpy */ \ 207 _valtmp = _aa[_j]; \ 208 _nextp = 0; \ 209 for (_k=0; _nextp<_pnz; _k++) { \ 210 if (_apJ[_k] == _pj[_nextp]) { /* column of AP == column of P */\ 211 apa[_k] += _valtmp*_pa[_nextp++]; \ 212 } \ 213 } \ 214 (void)PetscLogFlops(2.0*_pnz); \ 215 } \ 216 } 217 218 #define AProw_nonscalable(i,ad,ao,p_loc,p_oth,apa) \ 219 {\ 220 PetscInt _anz,_pnz,_j,_k,*_ai,*_aj,_row,*_pi,*_pj; \ 221 PetscScalar *_aa,_valtmp,*_pa; \ 222 /* diagonal portion of A */\ 223 _ai = ad->i;\ 224 _anz = _ai[i+1] - _ai[i];\ 225 _aj = ad->j + _ai[i];\ 226 _aa = ad->a + _ai[i];\ 227 for (_j=0; _j<_anz; _j++) {\ 228 _row = _aj[_j]; \ 229 _pi = p_loc->i; \ 230 _pnz = _pi[_row+1] - _pi[_row]; \ 231 _pj = p_loc->j + _pi[_row]; \ 232 _pa = p_loc->a + _pi[_row]; \ 233 /* perform dense axpy */ \ 234 _valtmp = _aa[_j]; \ 235 for (_k=0; _k<_pnz; _k++) { \ 236 apa[_pj[_k]] += _valtmp*_pa[_k]; \ 237 } \ 238 (void)PetscLogFlops(2.0*_pnz); \ 239 } \ 240 /* off-diagonal portion of A */ \ 241 _ai = ao->i;\ 242 _anz = _ai[i+1] - _ai[i]; \ 243 _aj = ao->j + _ai[i]; \ 244 _aa = ao->a + _ai[i]; \ 245 for (_j=0; _j<_anz; _j++) { \ 246 _row = _aj[_j]; \ 247 _pi = p_oth->i; \ 248 _pnz = _pi[_row+1] - _pi[_row]; \ 249 _pj = p_oth->j + _pi[_row]; \ 250 _pa = p_oth->a + _pi[_row]; \ 251 /* perform dense axpy */ \ 252 _valtmp = _aa[_j]; \ 253 for (_k=0; _k<_pnz; _k++) { \ 254 apa[_pj[_k]] += _valtmp*_pa[_k]; \ 255 } \ 256 (void)PetscLogFlops(2.0*_pnz); \ 257 } \ 258 } 259 260 #endif 261