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 ISLocalToGlobalMapping ltog; /* mapping from local column indices to global column indices for A_loc */ 28 Mat Pt; /* used by MatTransposeMatMult(), Pt = P^T */ 29 PetscBool freestruct; /* flag for MatFreeIntermediateDataStructures() */ 30 Mat Rd,Ro,AP_loc,C_loc,C_oth; 31 PetscInt algType; /* implementation algorithm */ 32 33 Mat_Merge_SeqsToMPI *merge; 34 PetscErrorCode (*destroy)(Mat); 35 PetscErrorCode (*duplicate)(Mat,MatDuplicateOption,Mat*); 36 PetscErrorCode (*view)(Mat,PetscViewer); 37 } Mat_APMPI; 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,Mvctx_mpi1; /* scatter context for vector */ 63 PetscBool Mvctx_mpi1_flg; /* if true, additional Mvctx_mpi1 is requested for mat-mat ops, default false */ 64 PetscBool roworiented; /* if true, row-oriented input, default true */ 65 66 /* The following variables are for MatGetRow() */ 67 PetscInt *rowindices; /* column indices for row */ 68 PetscScalar *rowvalues; /* nonzero values in row */ 69 PetscBool getrowactive; /* indicates MatGetRow(), not restored */ 70 71 /* Used by MatDistribute_MPIAIJ() to allow reuse of previous matrix allocation and nonzero pattern */ 72 PetscInt *ld; /* number of entries per row left of diagona block */ 73 74 /* Used by MatMatMult() and MatPtAP() */ 75 Mat_APMPI *ap; 76 77 /* used by MatMatMatMult() */ 78 Mat_MatMatMatMult *matmatmatmult; 79 80 /* Used by MPICUSP and MPICUSPARSE classes */ 81 void * spptr; 82 83 } Mat_MPIAIJ; 84 85 PETSC_EXTERN PetscErrorCode MatCreate_MPIAIJ(Mat); 86 87 PETSC_INTERN PetscErrorCode MatAssemblyEnd_MPIAIJ(Mat,MatAssemblyType); 88 89 PETSC_INTERN PetscErrorCode MatSetUpMultiply_MPIAIJ(Mat); 90 PETSC_INTERN PetscErrorCode MatDisAssemble_MPIAIJ(Mat); 91 PETSC_INTERN PetscErrorCode MatDuplicate_MPIAIJ(Mat,MatDuplicateOption,Mat*); 92 PETSC_INTERN PetscErrorCode MatIncreaseOverlap_MPIAIJ(Mat,PetscInt,IS [],PetscInt); 93 PETSC_INTERN PetscErrorCode MatIncreaseOverlap_MPIAIJ_Scalable(Mat,PetscInt,IS [],PetscInt); 94 PETSC_INTERN PetscErrorCode MatFDColoringCreate_MPIXAIJ(Mat,ISColoring,MatFDColoring); 95 PETSC_INTERN PetscErrorCode MatFDColoringSetUp_MPIXAIJ(Mat,ISColoring,MatFDColoring); 96 PETSC_INTERN PetscErrorCode MatCreateSubMatrices_MPIAIJ (Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]); 97 PETSC_INTERN PetscErrorCode MatCreateSubMatricesMPI_MPIAIJ (Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]); 98 PETSC_INTERN PetscErrorCode MatCreateSubMatrix_MPIAIJ_All(Mat,MatCreateSubMatrixOption,MatReuse,Mat *[]); 99 PETSC_INTERN PetscErrorCode MatView_MPIAIJ(Mat,PetscViewer); 100 101 PETSC_INTERN PetscErrorCode MatCreateSubMatrix_MPIAIJ(Mat,IS,IS,MatReuse,Mat*); 102 PETSC_INTERN PetscErrorCode MatCreateSubMatrix_MPIAIJ_nonscalable(Mat,IS,IS,PetscInt,MatReuse,Mat*); 103 PETSC_INTERN PetscErrorCode MatCreateSubMatrix_MPIAIJ_SameRowDist(Mat,IS,IS,IS,MatReuse,Mat*); 104 PETSC_INTERN PetscErrorCode MatCreateSubMatrix_MPIAIJ_SameRowColDist(Mat,IS,IS,MatReuse,Mat*); 105 PETSC_INTERN PetscErrorCode MatGetMultiProcBlock_MPIAIJ(Mat,MPI_Comm,MatReuse,Mat*); 106 107 PETSC_INTERN PetscErrorCode MatLoad_MPIAIJ(Mat,PetscViewer); 108 PETSC_INTERN PetscErrorCode MatLoad_MPIAIJ_Binary(Mat,PetscViewer); 109 PETSC_INTERN PetscErrorCode MatCreateColmap_MPIAIJ_Private(Mat); 110 PETSC_INTERN PetscErrorCode MatMatMult_MPIDense_MPIAIJ(Mat,Mat,MatReuse,PetscReal,Mat*); 111 PETSC_INTERN PetscErrorCode MatMatMult_MPIAIJ_MPIAIJ(Mat,Mat,MatReuse,PetscReal,Mat*); 112 PETSC_INTERN PetscErrorCode MatMatMultSymbolic_MPIAIJ_MPIAIJ_nonscalable(Mat,Mat,PetscReal,Mat*); 113 PETSC_INTERN PetscErrorCode MatMatMultSymbolic_MPIAIJ_MPIAIJ_seqMPI(Mat,Mat,PetscReal,Mat*); 114 PETSC_INTERN PetscErrorCode MatMatMultSymbolic_MPIAIJ_MPIAIJ(Mat,Mat,PetscReal,Mat*); 115 PETSC_INTERN PetscErrorCode MatMatMultNumeric_MPIAIJ_MPIAIJ(Mat,Mat,Mat); 116 PETSC_INTERN PetscErrorCode MatMatMultNumeric_MPIAIJ_MPIAIJ_nonscalable(Mat,Mat,Mat); 117 118 PETSC_INTERN PetscErrorCode MatMatMatMult_MPIAIJ_MPIAIJ_MPIAIJ(Mat,Mat,Mat,MatReuse,PetscReal,Mat*); 119 PETSC_INTERN PetscErrorCode MatMatMatMultSymbolic_MPIAIJ_MPIAIJ_MPIAIJ(Mat,Mat,Mat,PetscReal,Mat*); 120 PETSC_INTERN PetscErrorCode MatMatMatMultNumeric_MPIAIJ_MPIAIJ_MPIAIJ(Mat,Mat,Mat,Mat); 121 122 PETSC_INTERN PetscErrorCode MatPtAP_MPIAIJ_MPIAIJ(Mat,Mat,MatReuse,PetscReal,Mat*); 123 PETSC_INTERN PetscErrorCode MatPtAPSymbolic_MPIAIJ_MPIAIJ(Mat,Mat,PetscReal,Mat*); 124 PETSC_INTERN PetscErrorCode MatPtAPNumeric_MPIAIJ_MPIAIJ(Mat,Mat,Mat); 125 126 PETSC_INTERN PetscErrorCode MatPtAPSymbolic_MPIAIJ_MPIAIJ_scalable(Mat,Mat,PetscReal,Mat*); 127 PETSC_INTERN PetscErrorCode MatPtAPNumeric_MPIAIJ_MPIAIJ_scalable(Mat,Mat,Mat); 128 PETSC_INTERN PetscErrorCode MatFreeIntermediateDataStructures_MPIAIJ_AP(Mat); 129 PETSC_INTERN PetscErrorCode MatFreeIntermediateDataStructures_MPIAIJ_BC(Mat); 130 131 #if defined(PETSC_HAVE_HYPRE) 132 PETSC_INTERN PetscErrorCode MatPtAPSymbolic_AIJ_AIJ_wHYPRE(Mat,Mat,PetscReal,Mat*); 133 #endif 134 135 PETSC_INTERN PetscErrorCode MatDestroy_MPIAIJ_PtAP(Mat); 136 PETSC_INTERN PetscErrorCode MatDestroy_MPIAIJ(Mat); 137 138 PETSC_INTERN PetscErrorCode MatRARt_MPIAIJ_MPIAIJ(Mat,Mat,MatReuse,PetscReal,Mat*); 139 140 PETSC_INTERN PetscErrorCode MatGetBrowsOfAoCols_MPIAIJ(Mat,Mat,MatReuse,PetscInt**,PetscInt**,MatScalar**,Mat*); 141 PETSC_INTERN PetscErrorCode MatSetValues_MPIAIJ(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar [],InsertMode); 142 PETSC_INTERN PetscErrorCode MatSetValues_MPIAIJ_CopyFromCSRFormat(Mat,const PetscInt[],const PetscInt[],const PetscScalar[]); 143 PETSC_INTERN PetscErrorCode MatSetValues_MPIAIJ_CopyFromCSRFormat_Symbolic(Mat,const PetscInt[],const PetscInt[]); 144 PETSC_INTERN PetscErrorCode MatDestroy_MPIAIJ_MatMatMult(Mat); 145 PETSC_INTERN PetscErrorCode PetscContainerDestroy_Mat_MatMatMultMPI(void*); 146 PETSC_INTERN PetscErrorCode MatSetOption_MPIAIJ(Mat,MatOption,PetscBool); 147 148 PETSC_INTERN PetscErrorCode MatTransposeMatMult_MPIAIJ_MPIAIJ(Mat,Mat,MatReuse,PetscReal,Mat*); 149 PETSC_INTERN PetscErrorCode MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ_nonscalable(Mat,Mat,PetscReal,Mat*); 150 PETSC_INTERN PetscErrorCode MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ(Mat,Mat,PetscReal,Mat*); 151 PETSC_INTERN PetscErrorCode MatTransposeMatMultNumeric_MPIAIJ_MPIAIJ(Mat,Mat,Mat); 152 PETSC_INTERN PetscErrorCode MatTransposeMatMultNumeric_MPIAIJ_MPIAIJ_nonscalable(Mat,Mat,Mat); 153 PETSC_INTERN PetscErrorCode MatTransposeMatMultNumeric_MPIAIJ_MPIAIJ_matmatmult(Mat,Mat,Mat); 154 PETSC_INTERN PetscErrorCode MatTransposeMatMult_MPIAIJ_MPIDense(Mat,Mat,MatReuse,PetscReal,Mat*); 155 PETSC_INTERN PetscErrorCode MatTransposeMatMultSymbolic_MPIAIJ_MPIDense(Mat,Mat,PetscReal,Mat*); 156 PETSC_INTERN PetscErrorCode MatTransposeMatMultNumeric_MPIAIJ_MPIDense(Mat,Mat,Mat); 157 PETSC_INTERN PetscErrorCode MatGetSeqNonzeroStructure_MPIAIJ(Mat,Mat*); 158 159 PETSC_INTERN PetscErrorCode MatSetFromOptions_MPIAIJ(PetscOptionItems*,Mat); 160 PETSC_INTERN PetscErrorCode MatMPIAIJSetPreallocation_MPIAIJ(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]); 161 162 #if !defined(PETSC_USE_COMPLEX) && !defined(PETSC_USE_REAL_SINGLE) && !defined(PETSC_USE_REAL___FLOAT128) && !defined(PETSC_USE_REAL___FP16) 163 PETSC_INTERN PetscErrorCode MatLUFactorSymbolic_MPIAIJ_TFS(Mat,IS,IS,const MatFactorInfo*,Mat*); 164 #endif 165 PETSC_INTERN PetscErrorCode MatSolve_MPIAIJ(Mat,Vec,Vec); 166 PETSC_INTERN PetscErrorCode MatILUFactor_MPIAIJ(Mat,IS,IS,const MatFactorInfo*); 167 168 PETSC_INTERN PetscErrorCode MatAXPYGetPreallocation_MPIX_private(PetscInt,const PetscInt*,const PetscInt*,const PetscInt*,const PetscInt*,const PetscInt*,const PetscInt*,PetscInt*); 169 170 extern PetscErrorCode MatGetDiagonalBlock_MPIAIJ(Mat,Mat*); 171 extern PetscErrorCode MatDiagonalScaleLocal_MPIAIJ(Mat,Vec); 172 173 PETSC_INTERN PetscErrorCode MatGetSeqMats_MPIAIJ(Mat,Mat*,Mat*); 174 PETSC_INTERN PetscErrorCode MatSetSeqMats_MPIAIJ(Mat,IS,IS,IS,MatStructure,Mat,Mat); 175 176 /* compute apa = A[i,:]*P = Ad[i,:]*P_loc + Ao*[i,:]*P_oth using sparse axpy */ 177 #define AProw_scalable(i,ad,ao,p_loc,p_oth,api,apj,apa) \ 178 {\ 179 PetscInt _anz,_pnz,_j,_k,*_ai,*_aj,_row,*_pi,*_pj,_nextp,*_apJ; \ 180 PetscScalar *_aa,_valtmp,*_pa; \ 181 _apJ = apj + api[i];\ 182 /* diagonal portion of A */\ 183 _ai = ad->i;\ 184 _anz = _ai[i+1] - _ai[i];\ 185 _aj = ad->j + _ai[i];\ 186 _aa = ad->a + _ai[i];\ 187 for (_j=0; _j<_anz; _j++) {\ 188 _row = _aj[_j]; \ 189 _pi = p_loc->i; \ 190 _pnz = _pi[_row+1] - _pi[_row]; \ 191 _pj = p_loc->j + _pi[_row]; \ 192 _pa = p_loc->a + _pi[_row]; \ 193 /* perform sparse axpy */ \ 194 _valtmp = _aa[_j]; \ 195 _nextp = 0; \ 196 for (_k=0; _nextp<_pnz; _k++) { \ 197 if (_apJ[_k] == _pj[_nextp]) { /* column of AP == column of P */ \ 198 apa[_k] += _valtmp*_pa[_nextp++]; \ 199 } \ 200 } \ 201 (void)PetscLogFlops(2.0*_pnz); \ 202 } \ 203 /* off-diagonal portion of A */ \ 204 _ai = ao->i;\ 205 _anz = _ai[i+1] - _ai[i]; \ 206 _aj = ao->j + _ai[i]; \ 207 _aa = ao->a + _ai[i]; \ 208 for (_j=0; _j<_anz; _j++) { \ 209 _row = _aj[_j]; \ 210 _pi = p_oth->i; \ 211 _pnz = _pi[_row+1] - _pi[_row]; \ 212 _pj = p_oth->j + _pi[_row]; \ 213 _pa = p_oth->a + _pi[_row]; \ 214 /* perform sparse axpy */ \ 215 _valtmp = _aa[_j]; \ 216 _nextp = 0; \ 217 for (_k=0; _nextp<_pnz; _k++) { \ 218 if (_apJ[_k] == _pj[_nextp]) { /* column of AP == column of P */\ 219 apa[_k] += _valtmp*_pa[_nextp++]; \ 220 } \ 221 } \ 222 (void)PetscLogFlops(2.0*_pnz); \ 223 } \ 224 } 225 226 #define AProw_nonscalable(i,ad,ao,p_loc,p_oth,apa) \ 227 {\ 228 PetscInt _anz,_pnz,_j,_k,*_ai,*_aj,_row,*_pi,*_pj; \ 229 PetscScalar *_aa,_valtmp,*_pa; \ 230 /* diagonal portion of A */\ 231 _ai = ad->i;\ 232 _anz = _ai[i+1] - _ai[i];\ 233 _aj = ad->j + _ai[i];\ 234 _aa = ad->a + _ai[i];\ 235 for (_j=0; _j<_anz; _j++) {\ 236 _row = _aj[_j]; \ 237 _pi = p_loc->i; \ 238 _pnz = _pi[_row+1] - _pi[_row]; \ 239 _pj = p_loc->j + _pi[_row]; \ 240 _pa = p_loc->a + _pi[_row]; \ 241 /* perform dense axpy */ \ 242 _valtmp = _aa[_j]; \ 243 for (_k=0; _k<_pnz; _k++) { \ 244 apa[_pj[_k]] += _valtmp*_pa[_k]; \ 245 } \ 246 (void)PetscLogFlops(2.0*_pnz); \ 247 } \ 248 /* off-diagonal portion of A */ \ 249 _ai = ao->i;\ 250 _anz = _ai[i+1] - _ai[i]; \ 251 _aj = ao->j + _ai[i]; \ 252 _aa = ao->a + _ai[i]; \ 253 for (_j=0; _j<_anz; _j++) { \ 254 _row = _aj[_j]; \ 255 _pi = p_oth->i; \ 256 _pnz = _pi[_row+1] - _pi[_row]; \ 257 _pj = p_oth->j + _pi[_row]; \ 258 _pa = p_oth->a + _pi[_row]; \ 259 /* perform dense axpy */ \ 260 _valtmp = _aa[_j]; \ 261 for (_k=0; _k<_pnz; _k++) { \ 262 apa[_pj[_k]] += _valtmp*_pa[_k]; \ 263 } \ 264 (void)PetscLogFlops(2.0*_pnz); \ 265 } \ 266 } 267 268 #endif 269