1 2 #if !defined(__MPIBAIJ_H) 3 #define __MPIBAIJ_H 4 #include <../src/mat/impls/baij/seq/baij.h> 5 #include <../src/mat/impls/aij/mpi/mpiaij.h> 6 #include <petscctable.h> 7 8 #if defined(PETSC_USE_CTABLE) 9 #define PETSCTABLE PetscTable 10 #else 11 #define PETSCTABLE PetscInt* 12 #endif 13 14 #define MPIBAIJHEADER \ 15 PetscInt *rangebs; /* rmap->range/bs */ \ 16 PetscInt rstartbs,rendbs,cstartbs,cendbs; /* map values / bs */ \ 17 Mat A,B; /* local submatrices: A (diag part), B (off-diag part) */ \ 18 PetscMPIInt size; /* size of communicator */ \ 19 PetscMPIInt rank; /* rank of proc in communicator */ \ 20 PetscInt bs2; /* block size, bs2 = bs*bs */ \ 21 PetscInt Mbs,Nbs; /* number block rows/cols in matrix; M/bs, N/bs */ \ 22 PetscInt mbs,nbs; /* number block rows/cols on processor; m/bs, n/bs */ \ 23 \ 24 /* The following variables are used for matrix assembly */ \ 25 \ 26 PetscBool donotstash; /* if 1, off processor entries dropped */ \ 27 PetscBool subset_off_proc_entries; /* PETSC_TRUE if assembly will always communicate a subset of the entries communicated the first time */ \ 28 MPI_Request *send_waits; /* array of send requests */ \ 29 MPI_Request *recv_waits; /* array of receive requests */ \ 30 PetscInt nsends,nrecvs; /* numbers of sends and receives */ \ 31 MatScalar *svalues,*rvalues; /* sending and receiving data */ \ 32 PetscInt rmax; /* maximum message length */ \ 33 PETSCTABLE colmap; /* local col number of off-diag col */ \ 34 \ 35 PetscInt *garray; /* work array */ \ 36 \ 37 /* The following variable is used by blocked matrix assembly */ \ 38 MatScalar *barray; /* Block array of size bs2 */ \ 39 \ 40 /* The following variables are used for matrix-vector products */ \ 41 \ 42 Vec lvec; /* local vector */ \ 43 VecScatter Mvctx; /* scatter context for vector */ \ 44 PetscBool roworiented; /* if true, row-oriented input, default true */ \ 45 \ 46 /* The following variables are for MatGetRow() */ \ 47 \ 48 PetscInt *rowindices; /* column indices for row */ \ 49 PetscScalar *rowvalues; /* nonzero values in row */ \ 50 PetscBool getrowactive; /* indicates MatGetRow(), not restored */ \ 51 \ 52 /* Some variables to make MatSetValues and others more efficient */ \ 53 PetscInt rstart_bs,rend_bs; \ 54 PetscInt cstart_bs,cend_bs; \ 55 PetscInt *ht; /* Hash table to speed up matrix assembly */ \ 56 MatScalar **hd; /* Hash table data */ \ 57 PetscInt ht_size; \ 58 PetscInt ht_total_ct,ht_insert_ct; /* Hash table statistics */ \ 59 PetscBool ht_flag; /* Flag to indicate if hash tables are used */ \ 60 double ht_fact; /* Factor to determine the HT size */ \ 61 \ 62 PetscInt setvalueslen; /* only used for single precision computations */ \ 63 MatScalar *setvaluescopy; /* area double precision values in MatSetValuesXXX() are copied*/ \ 64 /* before calling MatSetValuesXXX_MPIBAIJ_MatScalar() */ \ 65 PetscBool ijonly /* used in MatCreateSubMatrices_MPIBAIJ_local() for getting ij structure only */ 66 67 typedef struct { 68 MPIBAIJHEADER; 69 } Mat_MPIBAIJ; 70 71 PETSC_INTERN PetscErrorCode MatView_MPIBAIJ(Mat,PetscViewer); 72 PETSC_INTERN PetscErrorCode MatLoad_MPIBAIJ(Mat,PetscViewer); 73 PETSC_INTERN PetscErrorCode MatView_MPIBAIJ_Binary(Mat,PetscViewer); 74 PETSC_INTERN PetscErrorCode MatLoad_MPIBAIJ_Binary(Mat,PetscViewer); 75 76 PETSC_INTERN PetscErrorCode MatCreateColmap_MPIBAIJ_Private(Mat); 77 PETSC_INTERN PetscErrorCode MatCreateSubMatrices_MPIBAIJ(Mat,PetscInt,const IS[],const IS[],MatReuse,Mat*[]); 78 PETSC_INTERN PetscErrorCode MatCreateSubMatrices_MPIBAIJ_local(Mat,PetscInt,const IS[],const IS[],MatReuse,Mat*); 79 PETSC_INTERN PetscErrorCode MatCreateSubMatrix_MPIBAIJ_Private(Mat,IS,IS,PetscInt,MatReuse,Mat*); 80 PETSC_INTERN PetscErrorCode MatGetMultiProcBlock_MPIBAIJ(Mat,MPI_Comm,MatReuse,Mat*); 81 PETSC_INTERN PetscErrorCode MatIncreaseOverlap_MPIBAIJ(Mat,PetscInt,IS[],PetscInt); 82 PETSC_INTERN PetscErrorCode MatIncreaseOverlap_MPIBAIJ_Once(Mat,PetscInt,IS*); 83 PETSC_INTERN PetscErrorCode MatMPIBAIJSetPreallocation_MPIBAIJ(Mat B,PetscInt bs,PetscInt d_nz,const PetscInt *d_nnz,PetscInt o_nz,const PetscInt *o_nnz); 84 PETSC_INTERN PetscErrorCode MatAXPYGetPreallocation_MPIBAIJ(Mat,const PetscInt *,Mat,const PetscInt*,PetscInt*); 85 #endif 86