1 #if !defined(__MPIAIJ_H) 2 #define __MPIAIJ_H 3 4 #include <../src/mat/impls/aij/seq/aij.h> 5 6 typedef struct { /* used by MatCreateMPIAIJSumSeqAIJ for reusing the merged matrix */ 7 PetscLayout rowmap; 8 PetscInt **buf_ri,**buf_rj; 9 PetscMPIInt *len_s,*len_r,*id_r; /* array of length of comm->size, store send/recv matrix values */ 10 PetscMPIInt nsend,nrecv; 11 PetscInt *bi,*bj; /* i and j array of the local portion of mpi C (matrix product) - rename to ci, cj! */ 12 PetscInt *owners_co,*coi,*coj; /* i and j array of (p->B)^T*A*P - used in the communication */ 13 } Mat_Merge_SeqsToMPI; 14 15 typedef struct { /* used by MatPtAPXXX_MPIAIJ_MPIAIJ() and MatMatMultXXX_MPIAIJ_MPIAIJ() */ 16 PetscInt *startsj_s,*startsj_r; /* used by MatGetBrowsOfAoCols_MPIAIJ */ 17 PetscScalar *bufa; /* used by MatGetBrowsOfAoCols_MPIAIJ */ 18 Mat P_loc,P_oth; /* partial B_seq -- intend to replace B_seq */ 19 PetscInt *api,*apj; /* symbolic i and j arrays of the local product A_loc*B_seq */ 20 PetscScalar *apv; 21 MatReuse reuse; /* flag to skip MatGetBrowsOfAoCols_MPIAIJ() and MatMPIAIJGetLocalMat() in 1st call of MatPtAPNumeric_MPIAIJ_MPIAIJ() */ 22 PetscScalar *apa; /* tmp array for store a row of A*P used in MatMatMult() */ 23 Mat A_loc; /* used by MatTransposeMatMult(), contains api and apj */ 24 ISLocalToGlobalMapping ltog; /* mapping from local column indices to global column indices for A_loc */ 25 Mat Pt; /* used by MatTransposeMatMult(), Pt = P^T */ 26 Mat Rd,Ro,AP_loc,C_loc,C_oth; 27 PetscInt algType; /* implementation algorithm */ 28 PetscSF sf; /* use it to communicate remote part of C */ 29 PetscInt *c_othi,*c_rmti; 30 31 Mat_Merge_SeqsToMPI *merge; 32 } Mat_APMPI; 33 34 typedef struct { 35 Mat A,B; /* local submatrices: A (diag part), 36 B (off-diag part) */ 37 PetscMPIInt size; /* size of communicator */ 38 PetscMPIInt rank; /* rank of proc in communicator */ 39 40 /* The following variables are used for matrix assembly */ 41 PetscBool donotstash; /* PETSC_TRUE if off processor entries dropped */ 42 MPI_Request *send_waits; /* array of send requests */ 43 MPI_Request *recv_waits; /* array of receive requests */ 44 PetscInt nsends,nrecvs; /* numbers of sends and receives */ 45 PetscScalar *svalues,*rvalues; /* sending and receiving data */ 46 PetscInt rmax; /* maximum message length */ 47 #if defined(PETSC_USE_CTABLE) 48 PetscTable colmap; 49 #else 50 PetscInt *colmap; /* local col number of off-diag col */ 51 #endif 52 PetscInt *garray; /* global index of all off-processor columns */ 53 54 /* The following variables are used for matrix-vector products */ 55 Vec lvec; /* local vector */ 56 Vec diag; 57 VecScatter Mvctx; /* scatter context for vector */ 58 PetscBool roworiented; /* if true, row-oriented input, default true */ 59 60 /* The following variables are for MatGetRow() */ 61 PetscInt *rowindices; /* column indices for row */ 62 PetscScalar *rowvalues; /* nonzero values in row */ 63 PetscBool getrowactive; /* indicates MatGetRow(), not restored */ 64 65 /* Used by MatDistribute_MPIAIJ() to allow reuse of previous matrix allocation and nonzero pattern */ 66 PetscInt *ld; /* number of entries per row left of diagona block */ 67 68 /* Used by MPICUSPARSE classes */ 69 void * spptr; 70 71 } Mat_MPIAIJ; 72 73 PETSC_EXTERN PetscErrorCode MatCreate_MPIAIJ(Mat); 74 75 PETSC_INTERN PetscErrorCode MatAssemblyEnd_MPIAIJ(Mat,MatAssemblyType); 76 77 PETSC_INTERN PetscErrorCode MatSetUpMultiply_MPIAIJ(Mat); 78 PETSC_INTERN PetscErrorCode MatDisAssemble_MPIAIJ(Mat); 79 PETSC_INTERN PetscErrorCode MatDuplicate_MPIAIJ(Mat,MatDuplicateOption,Mat*); 80 PETSC_INTERN PetscErrorCode MatIncreaseOverlap_MPIAIJ(Mat,PetscInt,IS [],PetscInt); 81 PETSC_INTERN PetscErrorCode MatIncreaseOverlap_MPIAIJ_Scalable(Mat,PetscInt,IS [],PetscInt); 82 PETSC_INTERN PetscErrorCode MatFDColoringCreate_MPIXAIJ(Mat,ISColoring,MatFDColoring); 83 PETSC_INTERN PetscErrorCode MatFDColoringSetUp_MPIXAIJ(Mat,ISColoring,MatFDColoring); 84 PETSC_INTERN PetscErrorCode MatCreateSubMatrices_MPIAIJ (Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]); 85 PETSC_INTERN PetscErrorCode MatCreateSubMatricesMPI_MPIAIJ (Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]); 86 PETSC_INTERN PetscErrorCode MatCreateSubMatrix_MPIAIJ_All(Mat,MatCreateSubMatrixOption,MatReuse,Mat *[]); 87 PETSC_INTERN PetscErrorCode MatView_MPIAIJ(Mat,PetscViewer); 88 89 PETSC_INTERN PetscErrorCode MatCreateSubMatrix_MPIAIJ(Mat,IS,IS,MatReuse,Mat*); 90 PETSC_INTERN PetscErrorCode MatCreateSubMatrix_MPIAIJ_nonscalable(Mat,IS,IS,PetscInt,MatReuse,Mat*); 91 PETSC_INTERN PetscErrorCode MatCreateSubMatrix_MPIAIJ_SameRowDist(Mat,IS,IS,IS,MatReuse,Mat*); 92 PETSC_INTERN PetscErrorCode MatCreateSubMatrix_MPIAIJ_SameRowColDist(Mat,IS,IS,MatReuse,Mat*); 93 PETSC_INTERN PetscErrorCode MatGetMultiProcBlock_MPIAIJ(Mat,MPI_Comm,MatReuse,Mat*); 94 95 PETSC_INTERN PetscErrorCode MatLoad_MPIAIJ(Mat,PetscViewer); 96 PETSC_INTERN PetscErrorCode MatLoad_MPIAIJ_Binary(Mat,PetscViewer); 97 PETSC_INTERN PetscErrorCode MatCreateColmap_MPIAIJ_Private(Mat); 98 99 PETSC_INTERN PetscErrorCode MatProductSetFromOptions_MPIAIJ(Mat); 100 PETSC_INTERN PetscErrorCode MatProductSymbolic_AB_MPIAIJ_MPIAIJ(Mat); 101 102 PETSC_INTERN PetscErrorCode MatProductSymbolic_PtAP_MPIAIJ_MPIAIJ(Mat); 103 104 PETSC_INTERN PetscErrorCode MatProductSymbolic_RARt_MPIAIJ_MPIAIJ(Mat); 105 PETSC_INTERN PetscErrorCode MatProductNumeric_RARt_MPIAIJ_MPIAIJ(Mat); 106 107 PETSC_INTERN PetscErrorCode MatMatMultSymbolic_MPIAIJ_MPIAIJ_nonscalable(Mat,Mat,PetscReal,Mat); 108 PETSC_INTERN PetscErrorCode MatMatMultSymbolic_MPIAIJ_MPIAIJ_seqMPI(Mat,Mat,PetscReal,Mat); 109 PETSC_INTERN PetscErrorCode MatMatMultSymbolic_MPIAIJ_MPIAIJ(Mat,Mat,PetscReal,Mat); 110 PETSC_INTERN PetscErrorCode MatMatMultNumeric_MPIAIJ_MPIAIJ(Mat,Mat,Mat); 111 PETSC_INTERN PetscErrorCode MatMatMultNumeric_MPIAIJ_MPIAIJ_nonscalable(Mat,Mat,Mat); 112 113 PETSC_INTERN PetscErrorCode MatMatMatMultSymbolic_MPIAIJ_MPIAIJ_MPIAIJ(Mat,Mat,Mat,PetscReal,Mat); 114 PETSC_INTERN PetscErrorCode MatMatMatMultNumeric_MPIAIJ_MPIAIJ_MPIAIJ(Mat,Mat,Mat,Mat); 115 116 PETSC_INTERN PetscErrorCode MatPtAPSymbolic_MPIAIJ_MPIAIJ(Mat,Mat,PetscReal,Mat); 117 PETSC_INTERN PetscErrorCode MatPtAPNumeric_MPIAIJ_MPIAIJ(Mat,Mat,Mat); 118 119 PETSC_INTERN PetscErrorCode MatPtAPSymbolic_MPIAIJ_MPIAIJ_scalable(Mat,Mat,PetscReal,Mat); 120 PETSC_INTERN PetscErrorCode MatPtAPSymbolic_MPIAIJ_MPIAIJ_allatonce(Mat,Mat,PetscReal,Mat); 121 PETSC_INTERN PetscErrorCode MatPtAPSymbolic_MPIAIJ_MPIAIJ_allatonce_merged(Mat,Mat,PetscReal,Mat); 122 PETSC_INTERN PetscErrorCode MatPtAPNumeric_MPIAIJ_MPIAIJ_scalable(Mat,Mat,Mat); 123 PETSC_INTERN PetscErrorCode MatPtAPNumeric_MPIAIJ_MPIAIJ_allatonce(Mat,Mat,Mat); 124 PETSC_INTERN PetscErrorCode MatPtAPNumeric_MPIAIJ_MPIAIJ_allatonce_merged(Mat,Mat,Mat); 125 126 #if defined(PETSC_HAVE_HYPRE) 127 PETSC_INTERN PetscErrorCode MatPtAPSymbolic_AIJ_AIJ_wHYPRE(Mat,Mat,PetscReal,Mat); 128 #endif 129 #if defined(PETSC_HAVE_SCALAPACK) 130 PETSC_INTERN PetscErrorCode MatConvert_AIJ_ScaLAPACK(Mat,MatType,MatReuse,Mat*); 131 #endif 132 133 PETSC_INTERN PetscErrorCode MatDestroy_MPIAIJ(Mat); 134 PETSC_INTERN PetscErrorCode MatDestroy_MPIAIJ_PtAP(void*); 135 PETSC_INTERN PetscErrorCode MatDestroy_MPIAIJ_MatMatMult(void*); 136 137 PETSC_INTERN PetscErrorCode MatGetBrowsOfAoCols_MPIAIJ(Mat,Mat,MatReuse,PetscInt**,PetscInt**,MatScalar**,Mat*); 138 PETSC_INTERN PetscErrorCode MatSetValues_MPIAIJ(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar [],InsertMode); 139 PETSC_INTERN PetscErrorCode MatSetValues_MPIAIJ_CopyFromCSRFormat(Mat,const PetscInt[],const PetscInt[],const PetscScalar[]); 140 PETSC_INTERN PetscErrorCode MatSetValues_MPIAIJ_CopyFromCSRFormat_Symbolic(Mat,const PetscInt[],const PetscInt[]); 141 PETSC_INTERN PetscErrorCode MatSetOption_MPIAIJ(Mat,MatOption,PetscBool); 142 143 PETSC_INTERN PetscErrorCode MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ_nonscalable(Mat,Mat,PetscReal,Mat); 144 PETSC_INTERN PetscErrorCode MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ(Mat,Mat,PetscReal,Mat); 145 PETSC_INTERN PetscErrorCode MatTransposeMatMultNumeric_MPIAIJ_MPIAIJ(Mat,Mat,Mat); 146 PETSC_INTERN PetscErrorCode MatTransposeMatMultNumeric_MPIAIJ_MPIAIJ_nonscalable(Mat,Mat,Mat); 147 PETSC_INTERN PetscErrorCode MatTransposeMatMultNumeric_MPIAIJ_MPIAIJ_matmatmult(Mat,Mat,Mat); 148 PETSC_INTERN PetscErrorCode MatTransposeMatMultSymbolic_MPIAIJ_MPIDense(Mat,Mat,PetscReal,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 if (p_oth){ \ 197 _ai = ao->i;\ 198 _anz = _ai[i+1] - _ai[i]; \ 199 _aj = ao->j + _ai[i]; \ 200 _aa = ao->a + _ai[i]; \ 201 for (_j=0; _j<_anz; _j++) { \ 202 _row = _aj[_j]; \ 203 _pi = p_oth->i; \ 204 _pnz = _pi[_row+1] - _pi[_row]; \ 205 _pj = p_oth->j + _pi[_row]; \ 206 _pa = p_oth->a + _pi[_row]; \ 207 /* perform sparse axpy */ \ 208 _valtmp = _aa[_j]; \ 209 _nextp = 0; \ 210 for (_k=0; _nextp<_pnz; _k++) { \ 211 if (_apJ[_k] == _pj[_nextp]) { /* column of AP == column of P */\ 212 apa[_k] += _valtmp*_pa[_nextp++]; \ 213 } \ 214 } \ 215 (void)PetscLogFlops(2.0*_pnz); \ 216 } \ 217 }\ 218 } 219 220 #define AProw_nonscalable(i,ad,ao,p_loc,p_oth,apa) \ 221 {\ 222 PetscInt _anz,_pnz,_j,_k,*_ai,*_aj,_row,*_pi,*_pj;\ 223 PetscScalar *_aa,_valtmp,*_pa; \ 224 /* diagonal portion of A */\ 225 _ai = ad->i;\ 226 _anz = _ai[i+1] - _ai[i];\ 227 _aj = ad->j + _ai[i];\ 228 _aa = ad->a + _ai[i];\ 229 for (_j=0; _j<_anz; _j++) {\ 230 _row = _aj[_j]; \ 231 _pi = p_loc->i; \ 232 _pnz = _pi[_row+1] - _pi[_row]; \ 233 _pj = p_loc->j + _pi[_row]; \ 234 _pa = p_loc->a + _pi[_row]; \ 235 /* perform dense axpy */ \ 236 _valtmp = _aa[_j]; \ 237 for (_k=0; _k<_pnz; _k++) { \ 238 apa[_pj[_k]] += _valtmp*_pa[_k]; \ 239 } \ 240 (void)PetscLogFlops(2.0*_pnz); \ 241 } \ 242 /* off-diagonal portion of A */ \ 243 if (p_oth){ \ 244 _ai = ao->i;\ 245 _anz = _ai[i+1] - _ai[i]; \ 246 _aj = ao->j + _ai[i]; \ 247 _aa = ao->a + _ai[i]; \ 248 for (_j=0; _j<_anz; _j++) { \ 249 _row = _aj[_j]; \ 250 _pi = p_oth->i; \ 251 _pnz = _pi[_row+1] - _pi[_row]; \ 252 _pj = p_oth->j + _pi[_row]; \ 253 _pa = p_oth->a + _pi[_row]; \ 254 /* perform dense axpy */ \ 255 _valtmp = _aa[_j]; \ 256 for (_k=0; _k<_pnz; _k++) { \ 257 apa[_pj[_k]] += _valtmp*_pa[_k]; \ 258 } \ 259 (void)PetscLogFlops(2.0*_pnz); \ 260 } \ 261 }\ 262 } 263 264 #endif 265