I'll try it. Is there any difference between using MATMPIAIJ and MatSetBlockSize, and using MATMPIBAIJ?
Thomas Am 02.02.2012 14:43, schrieb Mark F. Adams: > Use MatSetBlockSize(mat,ndof); and that info will get passed down to HYPRE. > Mark > > On Feb 2, 2012, at 7:09 AM, Thomas Witkowski wrote: > >> The documentation of boomeramg mention that it's possible to solve also >> matrices arising from the discretization of system of PDEs. But there is no >> more information on it. What should I do to make use of it in PETSc? >> >> Thomas >>
