A Hybrid Evolutionary Algorithm for Wheat Blending Problem

Table 4

Result of test cases with 1 split allowed.

Test; case	Number of; loads	Heuristic algorithm			Hybrid algorithm
		Percentage to; upper bound	Splits; used	Time used; (seconds)	Percentage to; upper bound	Splits; used	Improvement; over heuristic	Time used; (seconds)
RS1	34	10.6	1	11.7	6.6	1	4.4	1.4
RS2	145	18.1	1	9.4	1.8	1	19.8	2.6
RS3	26	0	0	1.4	0	0	0	1.0
RS4	332	0	0	6.5	0	0	0	5.9
RS5	127	23	1	17.2	0.1	0	29.6	3.5
RS6	718	18.4	1	572.5	0.3	1	22.2	58.6
RS7	129	15.8	1	28.4	0.5	0	18.1	2.3
RS8	610	18.4	1	85.9	1.3	0	20.9	37.8
RS9	49	2.7	0	7.8	0.5	0	2.2	1.6
RS10	47	9.8	1	12.1	0.3	1	10.4	2.9