http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58529
--- Comment #10 from Tobias Burnus <burnus at gcc dot gnu.org> --- Playing around with --param max-unroll-times= gives: 0 real 0m1.499s user 0m1.497s sys 0m0.000s 1 real 0m1.492s user 0m1.490s sys 0m0.000s 2 real 0m1.138s user 0m1.137s sys 0m0.000s 3 real 0m1.146s user 0m1.144s sys 0m0.000s 4 real 0m0.932s user 0m0.930s sys 0m0.001s 5 real 0m0.955s user 0m0.953s sys 0m0.000s 6 real 0m0.934s user 0m0.933s sys 0m0.000s 7 real 0m0.934s user 0m0.932s sys 0m0.001s 8 real 0m2.480s user 0m2.477s sys 0m0.000s 9 real 0m2.481s user 0m2.479s sys 0m0.000s 10 real 0m2.482s user 0m2.478s sys 0m0.001s 11 real 0m2.480s user 0m2.477s sys 0m0.000s 12 real 0m2.477s user 0m2.474s sys 0m0.000s