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


−0.010.99102.284.9358.2186
0.12430.15690.11000.16010.18920.16870.1304
0.09360.03210.01220.09820.07890.06540.0776
152.45235.211.261.2587.3199.54121.25
57.946.86.2831.6435.4840.6829.96

: 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.