1 2 #if !defined(__MPIBAIJ_H) 3 #define __MPIBAIJ_H 4 #include <../src/mat/impls/baij/seq/baij.h> 5 #include <petscctable.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 *rangebs; /* rmap->range/bs */ \ 15 PetscInt rstartbs,rendbs,cstartbs,cendbs; /* map values / bs */ \ 16 Mat A,B; /* local submatrices: A (diag part), B (off-diag part) */ \ 17 PetscMPIInt size; /* size of communicator */ \ 18 PetscMPIInt rank; /* rank of proc in communicator */ \ 19 PetscInt bs2; /* block size, bs2 = bs*bs */ \ 20 PetscInt Mbs,Nbs; /* number block rows/cols in matrix; M/bs, N/bs */ \ 21 PetscInt mbs,nbs; /* number block rows/cols on processor; m/bs, n/bs */ \ 22 \ 23 /* The following variables are used for matrix assembly */ \ 24 \ 25 PetscBool donotstash; /* if 1, off processor entries dropped */ \ 26 MPI_Request *send_waits; /* array of send requests */ \ 27 MPI_Request *recv_waits; /* array of receive requests */ \ 28 PetscInt nsends,nrecvs; /* numbers of sends and receives */ \ 29 MatScalar *svalues,*rvalues; /* sending and receiving data */ \ 30 PetscInt rmax; /* maximum message length */ \ 31 PETSCTABLE colmap; /* local col number of off-diag col */ \ 32 \ 33 PetscInt *garray; /* work array */ \ 34 \ 35 /* The following variable is used by blocked matrix assembly */ \ 36 MatScalar *barray; /* Block array of size bs2 */ \ 37 \ 38 /* The following variables are used for matrix-vector products */ \ 39 \ 40 Vec lvec; /* local vector */ \ 41 VecScatter Mvctx; /* scatter context for vector */ \ 42 PetscBool roworiented; /* if true, row-oriented input, default true */ \ 43 \ 44 /* The following variables are for MatGetRow() */ \ 45 \ 46 PetscInt *rowindices; /* column indices for row */ \ 47 PetscScalar *rowvalues; /* nonzero values in row */ \ 48 PetscBool getrowactive; /* indicates MatGetRow(), not restored */ \ 49 \ 50 /* Some variables to make MatSetValues and others more efficient */ \ 51 PetscInt rstart_bs,rend_bs; \ 52 PetscInt cstart_bs,cend_bs; \ 53 PetscInt *ht; /* Hash table to speed up matrix assembly */ \ 54 MatScalar **hd; /* Hash table data */ \ 55 PetscInt ht_size; \ 56 PetscInt ht_total_ct,ht_insert_ct; /* Hash table statistics */ \ 57 PetscBool ht_flag; /* Flag to indicate if hash tables are used */ \ 58 double ht_fact; /* Factor to determine the HT size */ \ 59 \ 60 PetscInt setvalueslen; /* only used for single precision computations */ \ 61 MatScalar *setvaluescopy; /* area double precision values in MatSetValuesXXX() are copied*/ \ 62 /* before calling MatSetValuesXXX_MPIBAIJ_MatScalar() */ \ 63 PetscBool ijonly /* used in MatGetSubMatrices_MPIBAIJ_local() for getting ij structure only */ 64 65 typedef struct { 66 MPIBAIJHEADER; 67 } Mat_MPIBAIJ; 68 69 PETSC_INTERN PetscErrorCode MatLoad_MPIBAIJ(Mat,PetscViewer); 70 PETSC_INTERN PetscErrorCode MatCreateColmap_MPIBAIJ_Private(Mat); 71 PETSC_INTERN PetscErrorCode MatGetSubMatrices_MPIBAIJ(Mat,PetscInt,const IS[],const IS[],MatReuse,Mat*[]); 72 PETSC_INTERN PetscErrorCode MatGetSubMatrices_MPIBAIJ_local(Mat,PetscInt,const IS[],const IS[],MatReuse,PetscBool*,PetscBool*,Mat*); 73 PETSC_INTERN PetscErrorCode MatGetSubMatrix_MPIBAIJ_Private(Mat,IS,IS,PetscInt,MatReuse,Mat*); 74 PETSC_INTERN PetscErrorCode MatGetMultiProcBlock_MPIBAIJ(Mat,MPI_Comm,MatReuse,Mat*); 75 PETSC_INTERN PetscErrorCode MatIncreaseOverlap_MPIBAIJ(Mat,PetscInt,IS[],PetscInt); 76 PETSC_INTERN PetscErrorCode MatIncreaseOverlap_MPIBAIJ_Once(Mat,PetscInt,IS*); 77 PETSC_INTERN PetscErrorCode MatFDColoringCreate_MPIXAIJ(Mat,ISColoring,MatFDColoring); 78 PETSC_INTERN PetscErrorCode MatFDColoringSetUp_MPIXAIJ(Mat,ISColoring,MatFDColoring); 79 PETSC_INTERN PetscErrorCode MatFDColoringApply_BAIJ(Mat,MatFDColoring,Vec,void*); 80 #endif 81