Number of iterations = 1 Residual norm 2.89642e-08 Solution norm 0.0731946 Number of iterations = 1 Residual norm 2.89849e-08 Solution norm 0.0732001 #PETSc Option Table entries: -f0 Mat_bin_3.5p1 -f1 Mat_bin_3.4p4 -ksp_type preonly -mat_mumps_icntl_8 0 -mat_type mpiaij -options_left -pc_factor_mat_solver_package mumps -pc_type lu -rhs RHS_bin_3.5p1 -vec_type mpi #End of PETSc Option Table entries There are no unused options.