-ksp_converged_reason

# GAMG is still not used at its best,
# since we are not exploiting the RBMs

-ksp_view
-pc_type gamg
-pc_gamg_type agg
-pc_gamg_agg_nsmooths 1
-pc_gamg_coarse_eq_limit 100
-pc_gamg_reuse_interpolation true
-pc_gamg_square_graph 1
-pc_gamg_threshold 0.0
-mg_levels_ksp_max_it 2
-mg_levels_ksp_type chebyshev
-mg_levels_esteig_ksp_type cg
-mg_levels_esteig_ksp_max_it 10
-mg_levels_ksp_chebyshev_esteig 0,0.05,0,1.05
-mg_levels_pc_type sor