1 2 3 #if !defined(__MPIAIJ_H) 4 #define __MPIAIJ_H 5 6 #include <../src/mat/impls/aij/seq/aij.h> 7 8 typedef struct { /* used by MatCreateMPIAIJSumSeqAIJ for reusing the merged matrix */ 9 PetscLayout rowmap; 10 PetscInt **buf_ri,**buf_rj; 11 PetscMPIInt *len_s,*len_r,*id_r; /* array of length of comm->size, store send/recv matrix values */ 12 PetscMPIInt nsend,nrecv; 13 PetscInt *bi,*bj; /* i and j array of the local portion of mpi C (matrix product) - rename to ci, cj! */ 14 PetscInt *owners_co,*coi,*coj; /* i and j array of (p->B)^T*A*P - used in the communication */ 15 PetscErrorCode (*destroy)(Mat); 16 PetscErrorCode (*duplicate)(Mat,MatDuplicateOption,Mat*); 17 } Mat_Merge_SeqsToMPI; 18 19 typedef struct { /* used by MatPtAPXXX_MPIAIJ_MPIAIJ() and MatMatMultXXX_MPIAIJ_MPIAIJ() */ 20 PetscInt *startsj_s,*startsj_r; /* used by MatGetBrowsOfAoCols_MPIAIJ */ 21 PetscScalar *bufa; /* used by MatGetBrowsOfAoCols_MPIAIJ */ 22 Mat P_loc,P_oth; /* partial B_seq -- intend to replace B_seq */ 23 PetscInt *api,*apj; /* symbolic i and j arrays of the local product A_loc*B_seq */ 24 PetscScalar *apv; 25 MatReuse reuse; /* flag to skip MatGetBrowsOfAoCols_MPIAIJ() and MatMPIAIJGetLocalMat() in 1st call of MatPtAPNumeric_MPIAIJ_MPIAIJ() */ 26 PetscScalar *apa; /* tmp array for store a row of A*P used in MatMatMult() */ 27 Mat A_loc; /* used by MatTransposeMatMult(), contains api and apj */ 28 ISLocalToGlobalMapping ltog; /* mapping from local column indices to global column indices for A_loc */ 29 Mat Pt; /* used by MatTransposeMatMult(), Pt = P^T */ 30 PetscBool freestruct; /* flag for MatFreeIntermediateDataStructures() */ 31 Mat Rd,Ro,AP_loc,C_loc,C_oth; 32 PetscInt algType; /* implementation algorithm */ 33 PetscSF sf; /* use it to communicate remote part of C */ 34 PetscInt *c_othi,*c_rmti; 35 36 Mat_Merge_SeqsToMPI *merge; 37 PetscErrorCode (*destroy)(Mat); 38 PetscErrorCode (*duplicate)(Mat,MatDuplicateOption,Mat*); 39 PetscErrorCode (*view)(Mat,PetscViewer); 40 } Mat_APMPI; 41 42 typedef struct { 43 Mat A,B; /* local submatrices: A (diag part), 44 B (off-diag part) */ 45 PetscMPIInt size; /* size of communicator */ 46 PetscMPIInt rank; /* rank of proc in communicator */ 47 48 /* The following variables are used for matrix assembly */ 49 PetscBool donotstash; /* PETSC_TRUE if off processor entries dropped */ 50 MPI_Request *send_waits; /* array of send requests */ 51 MPI_Request *recv_waits; /* array of receive requests */ 52 PetscInt nsends,nrecvs; /* numbers of sends and receives */ 53 PetscScalar *svalues,*rvalues; /* sending and receiving data */ 54 PetscInt rmax; /* maximum message length */ 55 #if defined(PETSC_USE_CTABLE) 56 PetscTable colmap; 57 #else 58 PetscInt *colmap; /* local col number of off-diag col */ 59 #endif 60 PetscInt *garray; /* global index of all off-processor columns */ 61 62 /* The following variables are used for matrix-vector products */ 63 Vec lvec; /* local vector */ 64 Vec diag; 65 VecScatter Mvctx,Mvctx_mpi1; /* scatter context for vector */ 66 PetscBool Mvctx_mpi1_flg; /* if true, additional Mvctx_mpi1 is requested for mat-mat ops, default false */ 67 PetscBool roworiented; /* if true, row-oriented input, default true */ 68 69 /* The following variables are for MatGetRow() */ 70 PetscInt *rowindices; /* column indices for row */ 71 PetscScalar *rowvalues; /* nonzero values in row */ 72 PetscBool getrowactive; /* indicates MatGetRow(), not restored */ 73 74 /* Used by MatDistribute_MPIAIJ() to allow reuse of previous matrix allocation and nonzero pattern */ 75 PetscInt *ld; /* number of entries per row left of diagona block */ 76 77 Mat_APMPI *ap; /* used by MatMatMult() and MatPtAP() */ 78 Mat_RARt *rart; /* used by MatRARt() */ 79 Mat_MatMatMatMult *matmatmatmult; /* used by MatMatMatMult() */ 80 81 /* Used by MPICUSP and MPICUSPARSE classes */ 82 void * spptr; 83 84 /* Used by MatSetOption_MPIAIJ() */ 85 PetscBool inode_setoption,inode_use; 86 } Mat_MPIAIJ; 87 88 PETSC_EXTERN PetscErrorCode MatCreate_MPIAIJ(Mat); 89 90 PETSC_INTERN PetscErrorCode MatAssemblyEnd_MPIAIJ(Mat,MatAssemblyType); 91 92 PETSC_INTERN PetscErrorCode MatSetUpMultiply_MPIAIJ(Mat); 93 PETSC_INTERN PetscErrorCode MatDisAssemble_MPIAIJ(Mat); 94 PETSC_INTERN PetscErrorCode MatDuplicate_MPIAIJ(Mat,MatDuplicateOption,Mat*); 95 PETSC_INTERN PetscErrorCode MatIncreaseOverlap_MPIAIJ(Mat,PetscInt,IS [],PetscInt); 96 PETSC_INTERN PetscErrorCode MatIncreaseOverlap_MPIAIJ_Scalable(Mat,PetscInt,IS [],PetscInt); 97 PETSC_INTERN PetscErrorCode MatFDColoringCreate_MPIXAIJ(Mat,ISColoring,MatFDColoring); 98 PETSC_INTERN PetscErrorCode MatFDColoringSetUp_MPIXAIJ(Mat,ISColoring,MatFDColoring); 99 PETSC_INTERN PetscErrorCode MatCreateSubMatrices_MPIAIJ (Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]); 100 PETSC_INTERN PetscErrorCode MatCreateSubMatricesMPI_MPIAIJ (Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]); 101 PETSC_INTERN PetscErrorCode MatCreateSubMatrix_MPIAIJ_All(Mat,MatCreateSubMatrixOption,MatReuse,Mat *[]); 102 PETSC_INTERN PetscErrorCode MatView_MPIAIJ(Mat,PetscViewer); 103 104 PETSC_INTERN PetscErrorCode MatCreateSubMatrix_MPIAIJ(Mat,IS,IS,MatReuse,Mat*); 105 PETSC_INTERN PetscErrorCode MatCreateSubMatrix_MPIAIJ_nonscalable(Mat,IS,IS,PetscInt,MatReuse,Mat*); 106 PETSC_INTERN PetscErrorCode MatCreateSubMatrix_MPIAIJ_SameRowDist(Mat,IS,IS,IS,MatReuse,Mat*); 107 PETSC_INTERN PetscErrorCode MatCreateSubMatrix_MPIAIJ_SameRowColDist(Mat,IS,IS,MatReuse,Mat*); 108 PETSC_INTERN PetscErrorCode MatGetMultiProcBlock_MPIAIJ(Mat,MPI_Comm,MatReuse,Mat*); 109 110 PETSC_INTERN PetscErrorCode MatLoad_MPIAIJ(Mat,PetscViewer); 111 PETSC_INTERN PetscErrorCode MatLoad_MPIAIJ_Binary(Mat,PetscViewer); 112 PETSC_INTERN PetscErrorCode MatCreateColmap_MPIAIJ_Private(Mat); 113 114 PETSC_INTERN PetscErrorCode MatProductSetFromOptions_MPIAIJ(Mat); 115 PETSC_INTERN PetscErrorCode MatProductSymbolic_AB_MPIAIJ_MPIAIJ(Mat); 116 117 PETSC_INTERN PetscErrorCode MatProductSymbolic_PtAP_MPIAIJ_MPIAIJ(Mat); 118 119 PETSC_INTERN PetscErrorCode MatProductSymbolic_RARt_MPIAIJ_MPIAIJ(Mat); 120 PETSC_INTERN PetscErrorCode MatProductNumeric_RARt_MPIAIJ_MPIAIJ(Mat); 121 122 PETSC_INTERN PetscErrorCode MatMatMultSymbolic_MPIAIJ_MPIAIJ_nonscalable(Mat,Mat,PetscReal,Mat); 123 PETSC_INTERN PetscErrorCode MatMatMultSymbolic_MPIAIJ_MPIAIJ_seqMPI(Mat,Mat,PetscReal,Mat); 124 PETSC_INTERN PetscErrorCode MatMatMultSymbolic_MPIAIJ_MPIAIJ(Mat,Mat,PetscReal,Mat); 125 PETSC_INTERN PetscErrorCode MatMatMultNumeric_MPIAIJ_MPIAIJ(Mat,Mat,Mat); 126 PETSC_INTERN PetscErrorCode MatMatMultNumeric_MPIAIJ_MPIAIJ_nonscalable(Mat,Mat,Mat); 127 128 PETSC_INTERN PetscErrorCode MatMatMatMultSymbolic_MPIAIJ_MPIAIJ_MPIAIJ(Mat,Mat,Mat,PetscReal,Mat); 129 PETSC_INTERN PetscErrorCode MatMatMatMultNumeric_MPIAIJ_MPIAIJ_MPIAIJ(Mat,Mat,Mat,Mat); 130 131 PETSC_INTERN PetscErrorCode MatPtAPSymbolic_MPIAIJ_MPIAIJ(Mat,Mat,PetscReal,Mat); 132 PETSC_INTERN PetscErrorCode MatPtAPNumeric_MPIAIJ_MPIAIJ(Mat,Mat,Mat); 133 134 PETSC_INTERN PetscErrorCode MatPtAPSymbolic_MPIAIJ_MPIAIJ_scalable(Mat,Mat,PetscReal,Mat); 135 PETSC_INTERN PetscErrorCode MatPtAPSymbolic_MPIAIJ_MPIAIJ_allatonce(Mat,Mat,PetscReal,Mat); 136 PETSC_INTERN PetscErrorCode MatPtAPSymbolic_MPIAIJ_MPIAIJ_allatonce_merged(Mat,Mat,PetscReal,Mat); 137 PETSC_INTERN PetscErrorCode MatPtAPNumeric_MPIAIJ_MPIAIJ_scalable(Mat,Mat,Mat); 138 PETSC_INTERN PetscErrorCode MatPtAPNumeric_MPIAIJ_MPIAIJ_allatonce(Mat,Mat,Mat); 139 PETSC_INTERN PetscErrorCode MatPtAPNumeric_MPIAIJ_MPIAIJ_allatonce_merged(Mat,Mat,Mat); 140 PETSC_INTERN PetscErrorCode MatFreeIntermediateDataStructures_MPIAIJ_AP(Mat); 141 PETSC_INTERN PetscErrorCode MatFreeIntermediateDataStructures_MPIAIJ_BC(Mat); 142 143 #if defined(PETSC_HAVE_HYPRE) 144 PETSC_INTERN PetscErrorCode MatPtAPSymbolic_AIJ_AIJ_wHYPRE(Mat,Mat,PetscReal,Mat); 145 #endif 146 147 PETSC_INTERN PetscErrorCode MatDestroy_MPIAIJ_PtAP(Mat); 148 PETSC_INTERN PetscErrorCode MatDestroy_MPIAIJ(Mat); 149 150 PETSC_INTERN PetscErrorCode MatGetBrowsOfAoCols_MPIAIJ(Mat,Mat,MatReuse,PetscInt**,PetscInt**,MatScalar**,Mat*); 151 PETSC_INTERN PetscErrorCode MatSetValues_MPIAIJ(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar [],InsertMode); 152 PETSC_INTERN PetscErrorCode MatSetValues_MPIAIJ_CopyFromCSRFormat(Mat,const PetscInt[],const PetscInt[],const PetscScalar[]); 153 PETSC_INTERN PetscErrorCode MatSetValues_MPIAIJ_CopyFromCSRFormat_Symbolic(Mat,const PetscInt[],const PetscInt[]); 154 PETSC_INTERN PetscErrorCode MatDestroy_MPIAIJ_MatMatMult(Mat); 155 PETSC_INTERN PetscErrorCode PetscContainerDestroy_Mat_MatMatMultMPI(void*); 156 PETSC_INTERN PetscErrorCode MatSetOption_MPIAIJ(Mat,MatOption,PetscBool); 157 158 PETSC_INTERN PetscErrorCode MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ_nonscalable(Mat,Mat,PetscReal,Mat); 159 PETSC_INTERN PetscErrorCode MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ(Mat,Mat,PetscReal,Mat); 160 PETSC_INTERN PetscErrorCode MatTransposeMatMultNumeric_MPIAIJ_MPIAIJ(Mat,Mat,Mat); 161 PETSC_INTERN PetscErrorCode MatTransposeMatMultNumeric_MPIAIJ_MPIAIJ_nonscalable(Mat,Mat,Mat); 162 PETSC_INTERN PetscErrorCode MatTransposeMatMultNumeric_MPIAIJ_MPIAIJ_matmatmult(Mat,Mat,Mat); 163 PETSC_INTERN PetscErrorCode MatTransposeMatMultSymbolic_MPIAIJ_MPIDense(Mat,Mat,PetscReal,Mat); 164 PETSC_INTERN PetscErrorCode MatTransposeMatMultNumeric_MPIAIJ_MPIDense(Mat,Mat,Mat); 165 PETSC_INTERN PetscErrorCode MatGetSeqNonzeroStructure_MPIAIJ(Mat,Mat*); 166 167 PETSC_INTERN PetscErrorCode MatSetFromOptions_MPIAIJ(PetscOptionItems*,Mat); 168 PETSC_INTERN PetscErrorCode MatMPIAIJSetPreallocation_MPIAIJ(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]); 169 170 #if !defined(PETSC_USE_COMPLEX) && !defined(PETSC_USE_REAL_SINGLE) && !defined(PETSC_USE_REAL___FLOAT128) && !defined(PETSC_USE_REAL___FP16) 171 PETSC_INTERN PetscErrorCode MatLUFactorSymbolic_MPIAIJ_TFS(Mat,IS,IS,const MatFactorInfo*,Mat*); 172 #endif 173 PETSC_INTERN PetscErrorCode MatSolve_MPIAIJ(Mat,Vec,Vec); 174 PETSC_INTERN PetscErrorCode MatILUFactor_MPIAIJ(Mat,IS,IS,const MatFactorInfo*); 175 176 PETSC_INTERN PetscErrorCode MatAXPYGetPreallocation_MPIX_private(PetscInt,const PetscInt*,const PetscInt*,const PetscInt*,const PetscInt*,const PetscInt*,const PetscInt*,PetscInt*); 177 178 extern PetscErrorCode MatGetDiagonalBlock_MPIAIJ(Mat,Mat*); 179 extern PetscErrorCode MatDiagonalScaleLocal_MPIAIJ(Mat,Vec); 180 181 PETSC_INTERN PetscErrorCode MatGetSeqMats_MPIAIJ(Mat,Mat*,Mat*); 182 PETSC_INTERN PetscErrorCode MatSetSeqMats_MPIAIJ(Mat,IS,IS,IS,MatStructure,Mat,Mat); 183 184 /* compute apa = A[i,:]*P = Ad[i,:]*P_loc + Ao*[i,:]*P_oth using sparse axpy */ 185 #define AProw_scalable(i,ad,ao,p_loc,p_oth,api,apj,apa) \ 186 {\ 187 PetscInt _anz,_pnz,_j,_k,*_ai,*_aj,_row,*_pi,*_pj,_nextp,*_apJ;\ 188 PetscScalar *_aa,_valtmp,*_pa;\ 189 _apJ = apj + api[i];\ 190 /* diagonal portion of A */\ 191 _ai = ad->i;\ 192 _anz = _ai[i+1] - _ai[i];\ 193 _aj = ad->j + _ai[i];\ 194 _aa = ad->a + _ai[i];\ 195 for (_j=0; _j<_anz; _j++) {\ 196 _row = _aj[_j]; \ 197 _pi = p_loc->i; \ 198 _pnz = _pi[_row+1] - _pi[_row]; \ 199 _pj = p_loc->j + _pi[_row]; \ 200 _pa = p_loc->a + _pi[_row]; \ 201 /* perform sparse axpy */ \ 202 _valtmp = _aa[_j]; \ 203 _nextp = 0; \ 204 for (_k=0; _nextp<_pnz; _k++) { \ 205 if (_apJ[_k] == _pj[_nextp]) { /* column of AP == column of P */\ 206 apa[_k] += _valtmp*_pa[_nextp++]; \ 207 } \ 208 } \ 209 (void)PetscLogFlops(2.0*_pnz); \ 210 } \ 211 /* off-diagonal portion of A */ \ 212 if (p_oth){ \ 213 _ai = ao->i;\ 214 _anz = _ai[i+1] - _ai[i]; \ 215 _aj = ao->j + _ai[i]; \ 216 _aa = ao->a + _ai[i]; \ 217 for (_j=0; _j<_anz; _j++) { \ 218 _row = _aj[_j]; \ 219 _pi = p_oth->i; \ 220 _pnz = _pi[_row+1] - _pi[_row]; \ 221 _pj = p_oth->j + _pi[_row]; \ 222 _pa = p_oth->a + _pi[_row]; \ 223 /* perform sparse axpy */ \ 224 _valtmp = _aa[_j]; \ 225 _nextp = 0; \ 226 for (_k=0; _nextp<_pnz; _k++) { \ 227 if (_apJ[_k] == _pj[_nextp]) { /* column of AP == column of P */\ 228 apa[_k] += _valtmp*_pa[_nextp++]; \ 229 } \ 230 } \ 231 (void)PetscLogFlops(2.0*_pnz); \ 232 } \ 233 }\ 234 } 235 236 #define AProw_nonscalable(i,ad,ao,p_loc,p_oth,apa) \ 237 {\ 238 PetscInt _anz,_pnz,_j,_k,*_ai,*_aj,_row,*_pi,*_pj;\ 239 PetscScalar *_aa,_valtmp,*_pa; \ 240 /* diagonal portion of A */\ 241 _ai = ad->i;\ 242 _anz = _ai[i+1] - _ai[i];\ 243 _aj = ad->j + _ai[i];\ 244 _aa = ad->a + _ai[i];\ 245 for (_j=0; _j<_anz; _j++) {\ 246 _row = _aj[_j]; \ 247 _pi = p_loc->i; \ 248 _pnz = _pi[_row+1] - _pi[_row]; \ 249 _pj = p_loc->j + _pi[_row]; \ 250 _pa = p_loc->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 /* off-diagonal portion of A */ \ 259 if (p_oth){ \ 260 _ai = ao->i;\ 261 _anz = _ai[i+1] - _ai[i]; \ 262 _aj = ao->j + _ai[i]; \ 263 _aa = ao->a + _ai[i]; \ 264 for (_j=0; _j<_anz; _j++) { \ 265 _row = _aj[_j]; \ 266 _pi = p_oth->i; \ 267 _pnz = _pi[_row+1] - _pi[_row]; \ 268 _pj = p_oth->j + _pi[_row]; \ 269 _pa = p_oth->a + _pi[_row]; \ 270 /* perform dense axpy */ \ 271 _valtmp = _aa[_j]; \ 272 for (_k=0; _k<_pnz; _k++) { \ 273 apa[_pj[_k]] += _valtmp*_pa[_k]; \ 274 } \ 275 (void)PetscLogFlops(2.0*_pnz); \ 276 } \ 277 }\ 278 } 279 280 #endif 281