| -pc_parms_global | - one of ras, schur, bj | |
| -pc_parms_local | - one of ilu0, iluk, ilut, arms | |
| -pc_parms_solve_tol | - set the tolerance for local solve | |
| -pc_parms_levels | - set the number of levels | |
| -pc_parms_nonsymmetric_perm | - set the use of nonsymmetric permutation | |
| -pc_parms_blocksize | - set the block size | |
| -pc_parms_ind_tol | - set the tolerance for independent sets | |
| -pc_parms_max_dim | - set the inner krylov dimension | |
| -pc_parms_max_it | - set the maximum number of inner iterations | |
| -pc_parms_inter_nonsymmetric_perm | - set the use of nonsymmetric permutation for interlevel blocks | |
| -pc_parms_inter_column_perm | - set the use of column permutation for interlevel blocks | |
| -pc_parms_inter_row_scaling | - set the use of row scaling for interlevel blocks | |
| -pc_parms_inter_column_scaling | - set the use of column scaling for interlevel blocks | |
| -pc_parms_last_nonsymmetric_perm | - set the use of nonsymmetric permutation for last level blocks | |
| -pc_parms_last_column_perm | - set the use of column permutation for last level blocks | |
| -pc_parms_last_row_scaling | - set the use of row scaling for last level blocks | |
| -pc_parms_last_column_scaling | - set the use of column scaling for last level blocks | |
| -pc_parms_lfil_ilu_arms | - set the amount of fill-in for ilut, iluk and arms | |
| -pc_parms_lfil_schur | - set the amount of fill-in for schur | |
| -pc_parms_lfil_ilut_L_U | - set the amount of fill-in for ILUT L and U | |
| -pc_parms_droptol_factors | - set the drop tolerance for L, U, L^{-1}F and EU^{-1} | |
| -pc_parms_droptol_schur_compl | - set the drop tolerance for schur complement at each level | |
| -pc_parms_droptol_last_schur | - set the drop tolerance for ILUT in last level schur complement |