Actual source code: mpibaij.h
1: /* $Id: mpibaij.h,v 1.30 2001/08/07 03:02:58 balay Exp $ */
3: #include src/mat/impls/baij/seq/baij.h
4: #include src/sys/ctable.h
9: typedef struct {
10: int *rowners,*cowners; /* ranges owned by each processor, in blocks */
11: int *rowners_bs; /* rowners*bs */
12: int rstart,rend; /* starting and ending owned rows */
13: int cstart,cend; /* starting and ending owned columns */
14: Mat A,B; /* local submatrices: A (diag part),
15: B (off-diag part) */
16: int size; /* size of communicator */
17: int rank; /* rank of proc in communicator */
18: int bs,bs2; /* block size, bs2 = bs*bs */
19: int Mbs,Nbs; /* number block rows/cols in matrix; M/bs, N/bs */
20: int mbs,nbs; /* number block rows/cols on processor; m/bs, n/bs */
22: /* The following variables are used for matrix assembly */
24: PetscTruth donotstash; /* if 1, off processor entries dropped */
25: MPI_Request *send_waits; /* array of send requests */
26: MPI_Request *recv_waits; /* array of receive requests */
27: int nsends,nrecvs; /* numbers of sends and receives */
28: MatScalar *svalues,*rvalues; /* sending and receiving data */
29: int rmax; /* maximum message length */
30: #if defined (PETSC_USE_CTABLE)
31: PetscTable colmap;
32: #else
33: int *colmap; /* local col number of off-diag col */
34: #endif
35: int *garray; /* work array */
37: /* The following variable is used by blocked matrix assembly */
38: MatScalar *barray; /* Block array of size bs2 */
40: /* The following variables are used for matrix-vector products */
42: Vec lvec; /* local vector */
43: VecScatter Mvctx; /* scatter context for vector */
44: PetscTruth roworiented; /* if true, row-oriented input, default true */
46: /* The following variables are for MatGetRow() */
48: int *rowindices; /* column indices for row */
49: PetscScalar *rowvalues; /* nonzero values in row */
50: PetscTruth getrowactive; /* indicates MatGetRow(), not restored */
52: /* Some variables to make MatSetValues and others more efficient */
53: int rstart_bs,rend_bs;
54: int cstart_bs,cend_bs;
55: int *ht; /* Hash table to speed up matrix assembly */
56: MatScalar **hd; /* Hash table data */
57: int ht_size;
58: int ht_total_ct,ht_insert_ct; /* Hash table statistics */
59: PetscTruth ht_flag; /* Flag to indicate if hash tables are used */
60: double ht_fact; /* Factor to determine the HT size */
62: #if defined(PETSC_USE_MAT_SINGLE)
63: int setvalueslen;
64: MatScalar *setvaluescopy; /* area double precision values in MatSetValuesXXX() are copied
65: before calling MatSetValuesXXX_MPIBAIJ_MatScalar() */
66: #endif
67: } Mat_MPIBAIJ;
70: #endif