1 2 #if !defined(__MPIBAIJ_H) 3 #define __MPIBAIJ_H 4 #include "src/mat/impls/baij/seq/baij.h" 5 #include "src/sys/ctable.h" 6 7 #if defined (PETSC_USE_CTABLE) 8 #define PETSCTABLE PetscTable 9 #else 10 #define PETSCTABLE PetscInt* 11 #endif 12 13 #define MPIBAIJHEADER \ 14 PetscInt *rowners,*cowners; /* ranges owned by each processor, in blocks */ \ 15 PetscInt *rowners_bs; /* rowners*bs */ \ 16 PetscInt rstart,rend; /* starting and ending owned rows */ \ 17 PetscInt cstart,cend; /* starting and ending owned columns */ \ 18 Mat A,B; /* local submatrices: A (diag part), \ 19 B (off-diag part) */ \ 20 PetscMPIInt size; /* size of communicator */ \ 21 PetscMPIInt rank; /* rank of proc in communicator */ \ 22 PetscInt bs2; /* block size, bs2 = bs*bs */ \ 23 PetscInt Mbs,Nbs; /* number block rows/cols in matrix; M/bs, N/bs */ \ 24 PetscInt mbs,nbs; /* number block rows/cols on processor; m/bs, n/bs */ \ 25 \ 26 /* The following variables are used for matrix assembly */ \ 27 \ 28 PetscTruth donotstash; /* if 1, off processor entries dropped */ \ 29 MPI_Request *send_waits; /* array of send requests */ \ 30 MPI_Request *recv_waits; /* array of receive requests */ \ 31 PetscInt nsends,nrecvs; /* numbers of sends and receives */ \ 32 MatScalar *svalues,*rvalues; /* sending and receiving data */ \ 33 PetscInt rmax; /* maximum message length */ \ 34 PETSCTABLE colmap; /* local col number of off-diag col */ \ 35 \ 36 PetscInt *garray; /* work array */ \ 37 \ 38 /* The following variable is used by blocked matrix assembly */ \ 39 MatScalar *barray; /* Block array of size bs2 */ \ 40 \ 41 /* The following variables are used for matrix-vector products */ \ 42 \ 43 Vec lvec; /* local vector */ \ 44 VecScatter Mvctx; /* scatter context for vector */ \ 45 PetscTruth roworiented; /* if true, row-oriented input, default true */ \ 46 \ 47 /* The following variables are for MatGetRow() */ \ 48 \ 49 PetscInt *rowindices; /* column indices for row */ \ 50 PetscScalar *rowvalues; /* nonzero values in row */ \ 51 PetscTruth getrowactive; /* indicates MatGetRow(), not restored */ \ 52 \ 53 /* Some variables to make MatSetValues and others more efficient */ \ 54 PetscInt rstart_bs,rend_bs; \ 55 PetscInt cstart_bs,cend_bs; \ 56 PetscInt *ht; /* Hash table to speed up matrix assembly */ \ 57 MatScalar **hd; /* Hash table data */ \ 58 PetscInt ht_size; \ 59 PetscInt ht_total_ct,ht_insert_ct; /* Hash table statistics */ \ 60 PetscTruth ht_flag; /* Flag to indicate if hash tables are used */ \ 61 double ht_fact; /* Factor to determine the HT size */ \ 62 \ 63 PetscInt setvalueslen; /* only used for single precision computations */ \ 64 MatScalar *setvaluescopy; /* area double precision values in MatSetValuesXXX() are copied\ 65 before calling MatSetValuesXXX_MPIBAIJ_MatScalar() */ 66 67 typedef struct { 68 MPIBAIJHEADER 69 } Mat_MPIBAIJ; 70 71 EXTERN PetscErrorCode MatLoad_MPIBAIJ(PetscViewer,const MatType,Mat*); 72 EXTERN PetscErrorCode CreateColmap_MPIBAIJ_Private(Mat); 73 EXTERN PetscErrorCode MatGetSubMatrices_MPIBAIJ(Mat,PetscInt,const IS[],const IS[],MatReuse,Mat*[]); 74 #endif 75