230   PetscInt                 nrows, *buf_s, *buf_si, *buf_si_i, **nextrow, **nextci;  in MatPtAPSymbolic_MPIAIJ_MPIAIJ_scalable()  local
465   buf_si = buf_s; /* points to the beginning of k-th msg to be sent */  in MatPtAPSymbolic_MPIAIJ_MPIAIJ_scalable()
474     buf_si_i    = buf_si + nrows + 1;  in MatPtAPSymbolic_MPIAIJ_MPIAIJ_scalable()
475     buf_si[0]   = nrows;  in MatPtAPSymbolic_MPIAIJ_MPIAIJ_scalable()
481       buf_si[nrows + 1]   = prmap[i] - owners[proc]; /* local row index */  in MatPtAPSymbolic_MPIAIJ_MPIAIJ_scalable()
484     PetscCallMPI(MPIU_Isend(buf_si, len_si[proc], MPIU_INT, proc, tagi, comm, swaits + k));  in MatPtAPSymbolic_MPIAIJ_MPIAIJ_scalable()
486     buf_si += len_si[proc];  in MatPtAPSymbolic_MPIAIJ_MPIAIJ_scalable()
1517   PetscInt                 nrows, *buf_s, *buf_si, *buf_si_i, **nextrow, **nextci;  in MatPtAPSymbolic_MPIAIJ_MPIAIJ()  local
1754   buf_si = buf_s; /* points to the beginning of k-th msg to be sent */  in MatPtAPSymbolic_MPIAIJ_MPIAIJ()
1763     buf_si_i    = buf_si + nrows + 1;  in MatPtAPSymbolic_MPIAIJ_MPIAIJ()
1764     buf_si[0]   = nrows;  in MatPtAPSymbolic_MPIAIJ_MPIAIJ()
1770       buf_si[nrows + 1]   = prmap[i] - owners[proc]; /* local row index */  in MatPtAPSymbolic_MPIAIJ_MPIAIJ()
1773     PetscCallMPI(MPIU_Isend(buf_si, len_si[proc], MPIU_INT, proc, tagi, comm, swaits + k));  in MatPtAPSymbolic_MPIAIJ_MPIAIJ()
1775     buf_si += len_si[proc];  in MatPtAPSymbolic_MPIAIJ_MPIAIJ()