Modified Firefly Algorithm

Table 2

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

	𝑓1(𝑥)	𝑓2(𝑥)	𝑓3(𝑥)	𝑓4(𝑥)	𝑓5(𝑥)	𝑓6(𝑥)	𝑓7(𝑥)
𝑓^′	−0.01	0.99	10	2.28	4.9	358.2	186
CPU𝑠	0.1243	0.1569	0.1100	0.1601	0.1892	0.1687	0.1304
CPU𝑚	0.0936	0.0321	0.0122	0.0982	0.0789	0.0654	0.0776
Itr.𝑠	152.45	235.2	11.2	61.25	87.31	99.54	121.25
Itr.𝑚	57.9	46.8	6.28	31.64	35.48	40.68	29.96

𝑓^′: the target for termination criterion.
CPU_𝑠: average CPU time for the standard firefly algorithm.
CPU_𝑚: average CPU time for the modified firefly algorithm.
Itr._𝑠: average iteration number for the standard firefly algorithm before termination.
Itr._𝑚: average iteration number for the modified firefly algorithm before termination.