Table 2.

The number of successful runs and the computational cost of the different methods

	Dataset 1			Dataset 2			Dataset 3			Dataset 4
num. of population	1	2	4	1	2	4	1	2	4	1	2	4
population size	8000	4000	2000	10000	5000	2500	10000	5000	2500	10000	5000	2500
num. of successful runs	12	19	20	8	17	20	7	15	16	10	14	17
Expected Cost (C)	1.69	1.10	1.05	2.44	1.22	1.05	2.75	1.38	1.29	2	1.47	1.22