Optimization of Continuous Berth Scheduling by Taking into Account Double-Line Ship Mooring

Table 2

Comparison between DLSM and SLSM modes for small-scale instances.

Instances	SLSM		DLSM		Diff_Obj1 (%)	Diff_CPU1 (%)
	OBJ1	CPU1 (s)	OBJ2	CPU2 (s)
8-1	300	0.2	252	0.2	−16.00	0.00
8-2	324	0.3	304	0.2	−6.17	−33.33
8-3	488	0.3	488	0.4	0.00	33.33
10-1	430	0.3	430	0.5	0.00	66.67
10-2	656	0.4	656	0.3	0.00	−25.00
10-3	754	0.6	474	0.5	−37.14	−16.67
15-1	2642	4.4	2020	2.3	−23.54	−47.73
15-2	804	2.2	544	2.3	−32.34	4.55
15-3	940	0.5	940	1.1	0.00	120.00
20-1	2816	733.2	1842	8.3	−34.59	−98.87
20-2	3574	205.2	2604	7.7	−27.14	−96.25
20-3	1932	116.4	1232	3.6	−36.23	−96.91
25-1	4532	3630	3384	668.7	−25.33	−81.58
25-2	6886	7245.2	4616	1510.1	−32.97	−79.16
25-3	4440	7280.1	2936	1421.0	−33.87	−80.48
				Average	−20.35	−28.76