Actual source code: mpibaij.h
4: #include src/mat/impls/baij/seq/baij.h
5: #include src/sys/ctable.h
7: #if defined (PETSC_USE_CTABLE)
8: #define PETSCTABLE PetscTable
9: #else
10: #define PETSCTABLE PetscInt*
11: #endif
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() */
67: typedef struct {
68: MPIBAIJHEADER
69: } Mat_MPIBAIJ;
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