Table 2: Summary of simulation results, with an achievement level as a termination criterion.

−0.01 0.99 10 2.28 4.9 358.2 186 0.1243 0.1569 0.1100 0.1601 0.1892 0.1687 0.1304 0.0936 0.0321 0.0122 0.0982 0.0789 0.0654 0.0776 152.45 235.2 11.2 61.25 87.31 99.54 121.25 57.9 46.8 6.28 31.64 35.48 40.68 29.96

: the target for termination criterion. : average CPU time for the standard firefly algorithm. : average CPU time for the modified firefly algorithm. : average iteration number for the standard firefly algorithm before termination. : average iteration number for the modified firefly algorithm before termination.