Crystal Plasticity preconditioner and executioner

[p-antonioni]

Hi!

I am performing some Crystal Plasticity simulations and I would have to run a simulation with around some milions of dofs.
Even for my test case, I saw that full Newton solver is faster than PJFNK (with Newton I have a quadratic convergence, with PJFNK superlinear). Maybe because I have not set it properly.
Do you have some suggestions or experience with some solver/preconditioner to have good performances on such simulation? I mean for Newton and PJFNK

Thank you,
Paolo

The set up I used for PJFNK:

[Preconditioning]
    [smp]
    type = SMP
    full = true
    []
[]

[Executioner]
  type = Transient
  solve_type = 'PJFNK'
  petsc_options_iname = '-pc_type -pc_asm_overlap -sub_pc_type -ksp_type -ksp_gmres_restart'
  petsc_options_value = ' asm      2              lu            gmres     200'
  nl_abs_tol = 1e-4
 ...
[]

NEWTON:

[Preconditioning]
  [smp]
    type = SMP
    full = true
    petsc_options_iname = '-pc_type -pc_factor_mat_solver_package '
    petsc_options_value = ' lu       mumps'
  []
[]

[Executioner]
  type = Transient
  petsc_options_iname = '-pc_type -pc_asm_overlap -sub_pc_type -ksp_type -ksp_gmres_restart'
  petsc_options_value = ' asm      2              lu            gmres     200'
  solve_type = 'NEWTON'
  use_pre_SMO_residual = false

[GiudGiud]

@bwspenc