Exact Algorithms for Practical Instances of the Railcar Loading Problem at Marine Container Terminals

Table 3

Empirical results for N  =  5.

Instance no.	Single-well car model	5-well car model		5-well car model with UB
	Objective value	Time (sec)	Objective value	Time (sec)	Objective value	UB
1	0.600	10.901	0.600	1.320	0.600	0.600
2	0.480	318.329	0.480	1.264	0.480	0.480
3	0.617	3600.237	0.617	1.435	0.617	0.617
4	0.817	33.407	0.817	32.604	0.817	0.817
5	0.700	3600.183	0.700	6.425	0.700	0.700
6	0.900	14.217	0.900	12.685	0.900	1.000
7	0.800	521.059	0.750	126.243	0.750	0.800
8	0.960	13.369	0.940	1.624	0.940	0.940