1*47cb9d27SSatish Balay /* $Id: mpibaij.h,v 1.11 1998/01/13 00:35:22 balay Exp balay $ */ 2e8823a70SSatish Balay 370f55243SBarry Smith #include "src/mat/impls/baij/seq/baij.h" 4e8823a70SSatish Balay 579bdfe76SSatish Balay #if !defined(__MPIBAIJ_H) 679bdfe76SSatish Balay #define __MPIBAIJ_H 779bdfe76SSatish Balay 8e8823a70SSatish Balay typedef struct { 9e8823a70SSatish Balay int *rowners, *cowners; /* ranges owned by each processor */ 10e8823a70SSatish Balay int m, n; /* local rows and columns */ 11e8823a70SSatish Balay int M, N; /* global rows and columns */ 12e8823a70SSatish Balay int rstart, rend; /* starting and ending owned rows */ 13e8823a70SSatish Balay int cstart, cend; /* starting and ending owned columns */ 14e8823a70SSatish Balay Mat A, B; /* local submatrices: A (diag part), 15e8823a70SSatish Balay B (off-diag part) */ 16e8823a70SSatish Balay int size; /* size of communicator */ 17e8823a70SSatish Balay int rank; /* rank of proc in communicator */ 1879bdfe76SSatish Balay int bs, bs2; /* block size, bs2 = bs*bs */ 194c1c0d89SBarry Smith int Mbs, Nbs; /* number block rows/cols in matrix; M/bs, N/bs */ 204c1c0d89SBarry Smith int mbs, nbs; /* number block rows/cols on processor; m/bs, n/bs */ 21e8823a70SSatish Balay 22e8823a70SSatish Balay /* The following variables are used for matrix assembly */ 23e8823a70SSatish Balay 24e8823a70SSatish Balay Stash stash; /* stash for non-local elements */ 2590f02eecSBarry Smith int donotstash; /* if 1, off processor entries dropped */ 26e8823a70SSatish Balay MPI_Request *send_waits; /* array of send requests */ 27e8823a70SSatish Balay MPI_Request *recv_waits; /* array of receive requests */ 28e8823a70SSatish Balay int nsends, nrecvs; /* numbers of sends and receives */ 29e8823a70SSatish Balay Scalar *svalues, *rvalues; /* sending and receiving data */ 30e8823a70SSatish Balay int rmax; /* maximum message length */ 31e8823a70SSatish Balay int *colmap; /* local col number of off-diag col */ 32e8823a70SSatish Balay int *garray; /* work array */ 33e8823a70SSatish Balay 340bf34be7SSatish Balay /* The following variable is used by blocked matrix assembly */ 350bf34be7SSatish Balay Scalar *barray; /* Block array of size bs2 */ 360bf34be7SSatish Balay 37e8823a70SSatish Balay /* The following variables are used for matrix-vector products */ 38e8823a70SSatish Balay 39e8823a70SSatish Balay Vec lvec; /* local vector */ 40e8823a70SSatish Balay VecScatter Mvctx; /* scatter context for vector */ 41e8823a70SSatish Balay int roworiented; /* if true, row-oriented input, default true */ 42e8823a70SSatish Balay 43e8823a70SSatish Balay /* The following variables are for MatGetRow() */ 44e8823a70SSatish Balay 45e8823a70SSatish Balay int *rowindices; /* column indices for row */ 46e8823a70SSatish Balay Scalar *rowvalues; /* nonzero values in row */ 47e8823a70SSatish Balay PetscTruth getrowactive; /* indicates MatGetRow(), not restored */ 484fa0d573SSatish Balay 494fa0d573SSatish Balay /* Some variables to make MatSetValues and others more efficient */ 504fa0d573SSatish Balay int rstart_bs, rend_bs; 514fa0d573SSatish Balay int cstart_bs, cend_bs; 52*47cb9d27SSatish Balay int *ht; /* Hash table to speed up matrix assembly */ 53*47cb9d27SSatish Balay Scalar **hd; /* Hash table data */ 54fef45726SSatish Balay int ht_size; 55*47cb9d27SSatish Balay int ht_ct,ht_max; /* Hash table statistics */ 56e8823a70SSatish Balay } Mat_MPIBAIJ; 5779bdfe76SSatish Balay 5879bdfe76SSatish Balay 5979bdfe76SSatish Balay #endif 60