The Objective values and computational times by CPLEX, UIMA, and the candidate population-based algorithms for the small-size problem instances
| Problem instance | No. of vessels | No. of berths | CPLEX | UIMA | EA | PSO | EDA | DE | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Objective value, 107 (US$) | CPU time, (sec) | Objective value, 107 (US$) | CPU time, (sec) | Objective value, 107 (US$) | CPU time, (sec) | Objective value, 107 (US$) | CPU time, (sec) | Objective value, 107 (US$) | CPU time, (sec) | Objective value, 107 (US$) | CPU time, (sec) | |||
| P1 | 5 | 2 | 0.49 | 0.56 | 0.49 | 27.52 | 0.49 | 8.38 | 0.49 | 9.73 | 0.49 | 11.61 | 0.49 | 22.28 |
| P2 | 5 | 3 | 0.46 | 0.90 | 0.46 | 27.45 | 0.46 | 8.36 | 0.46 | 9.70 | 0.46 | 11.58 | 0.46 | 22.38 |
| P3 | 5 | 4 | 0.44 | 1.59 | 0.44 | 27.51 | 0.44 | 8.39 | 0.44 | 9.79 | 0.44 | 11.69 | 0.44 | 22.35 |
| P4 | 7 | 2 | 0.80 | 3.31 | 0.80 | 31.12 | 0.80 | 9.51 | 0.80 | 11.07 | 0.80 | 13.02 | 0.80 | 23.68 |
| P5 | 7 | 3 | 0.73 | 5.21 | 0.73 | 31.05 | 0.73 | 10.22 | 0.73 | 11.05 | 0.73 | 13.11 | 0.73 | 23.81 |
| P6 | 7 | 4 | 0.70 | 5.69 | 0.70 | 31.61 | 0.70 | 9.98 | 0.70 | 11.08 | 0.70 | 13.18 | 0.70 | 23.83 |
| P7 | 9 | 2 | 1.02 | 25.36 | 1.02 | 34.79 | 1.02 | 10.84 | 1.02 | 12.45 | 1.02 | 14.57 | 1.02 | 25.20 |
| P8 | 9 | 3 | 0.93 | 50.74 | 0.93 | 34.95 | 0.93 | 11.04 | 0.93 | 12.44 | 0.93 | 14.80 | 0.93 | 25.22 |
| P9 | 9 | 4 | 0.87 | 20.03 | 0.87 | 35.38 | 0.87 | 10.87 | 0.87 | 12.50 | 0.87 | 15.00 | 0.87 | 25.39 |
| P10 | 11 | 2 | 1.22 | 79.46 | 1.22 | 38.10 | 1.22 | 12.02 | 1.24 | 13.73 | 1.24 | 16.18 | 1.24 | 26.75 |
| P11 | 11 | 3 | 1.15 | 88.67 | 1.15 | 38.19 | 1.15 | 12.29 | 1.16 | 13.80 | 1.18 | 16.56 | 1.18 | 26.78 |
| P12 | 11 | 4 | 1.06 | 59.65 | 1.06 | 38.66 | 1.08 | 12.65 | 1.09 | 13.83 | 1.09 | 16.99 | 1.07 | 26.77 |
| P13 | 13 | 2 | 1.42 | 391.33 | 1.42 | 42.18 | 1.47 | 13.38 | 1.49 | 15.06 | 1.47 | 17.82 | 1.47 | 28.06 |
| P14 | 13 | 3 | 1.36 | 679.36 | 1.39 | 42.09 | 1.43 | 13.34 | 1.44 | 15.10 | 1.44 | 17.82 | 1.42 | 28.25 |
| P15 | 13 | 4 | 1.28 | 704.26 | 1.29 | 42.18 | 1.31 | 13.30 | 1.31 | 15.28 | 1.32 | 18.13 | 1.30 | 28.43 |
| P16 | 15 | 2 | 1.56 | 326.48 | 1.59 | 45.37 | 1.62 | 14.43 | 1.64 | 16.49 | 1.63 | 19.15 | 1.62 | 29.63 |
| P17 | 15 | 3 | 1.50 | 1393.49 | 1.53 | 45.47 | 1.56 | 14.56 | 1.56 | 16.47 | 1.58 | 19.52 | 1.58 | 30.34 |
| P18 | 15 | 4 | 1.47 | 2348.76 | 1.50 | 45.78 | 1.53 | 14.57 | 1.54 | 16.68 | 1.55 | 19.85 | 1.55 | 30.25 |
| P19 | 17 | 2 | 1.77 | 1461.42 | 1.81 | 49.20 | 1.85 | 15.92 | 1.87 | 17.87 | 1.88 | 20.83 | 1.87 | 31.52 |
| P20 | 17 | 3 | 1.85 | 7237.00 | 1.76 | 49.41 | 1.82 | 15.86 | 1.84 | 17.91 | 1.89 | 21.20 | 1.88 | 31.31 |
| P21 | 17 | 4 | 1.78 | 7225.15 | 1.71 | 49.58 | 1.73 | 15.91 | 1.75 | 18.12 | 1.76 | 21.68 | 1.75 | 31.36 |
| P22 | 20 | 3 | 2.31 | 7277.19 | 2.25 | 54.62 | 2.29 | 17.91 | 2.31 | 19.93 | 2.35 | 24.53 | 2.36 | 34.26 |
| P23 | 20 | 4 | 2.26 | 7303.72 | 2.05 | 54.85 | 2.07 | 17.62 | 2.09 | 20.10 | 2.07 | 24.66 | 2.06 | 33.85 |
| P24 | 20 | 5 | 1.97 | 7328.10 | 1.88 | 55.14 | 1.91 | 17.76 | 1.93 | 20.10 | 1.92 | 25.81 | 1.92 | 33.92 |
| Average | 1.27 | 1834.06 | 1.25 | 40.51 | 1.27 | 12.88 | 1.28 | 14.59 | 1.28 | 17.47 | 1.28 | 27.73 | ||
| Problem instance | No. of vessels | No. of berths | CPLEX | UIMA | EA | PSO | EDA | DE | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Objective value, 107 (US$) | CPU time, (sec) | Objective value, 107 (US$) | CPU time, (sec) | Objective value, 107 (US$) | CPU time, (sec) | Objective value, 107 (US$) | CPU time, (sec) | Objective value, 107 (US$) | CPU time, (sec) | Objective value, 107 (US$) | CPU time, (sec) | |||
| P1 | 5 | 2 | 0.49 | 0.56 | 0.49 | 27.52 | 0.49 | 8.38 | 0.49 | 9.73 | 0.49 | 11.61 | 0.49 | 22.28 |
| P2 | 5 | 3 | 0.46 | 0.90 | 0.46 | 27.45 | 0.46 | 8.36 | 0.46 | 9.70 | 0.46 | 11.58 | 0.46 | 22.38 |
| P3 | 5 | 4 | 0.44 | 1.59 | 0.44 | 27.51 | 0.44 | 8.39 | 0.44 | 9.79 | 0.44 | 11.69 | 0.44 | 22.35 |
| P4 | 7 | 2 | 0.80 | 3.31 | 0.80 | 31.12 | 0.80 | 9.51 | 0.80 | 11.07 | 0.80 | 13.02 | 0.80 | 23.68 |
| P5 | 7 | 3 | 0.73 | 5.21 | 0.73 | 31.05 | 0.73 | 10.22 | 0.73 | 11.05 | 0.73 | 13.11 | 0.73 | 23.81 |
| P6 | 7 | 4 | 0.70 | 5.69 | 0.70 | 31.61 | 0.70 | 9.98 | 0.70 | 11.08 | 0.70 | 13.18 | 0.70 | 23.83 |
| P7 | 9 | 2 | 1.02 | 25.36 | 1.02 | 34.79 | 1.02 | 10.84 | 1.02 | 12.45 | 1.02 | 14.57 | 1.02 | 25.20 |
| P8 | 9 | 3 | 0.93 | 50.74 | 0.93 | 34.95 | 0.93 | 11.04 | 0.93 | 12.44 | 0.93 | 14.80 | 0.93 | 25.22 |
| P9 | 9 | 4 | 0.87 | 20.03 | 0.87 | 35.38 | 0.87 | 10.87 | 0.87 | 12.50 | 0.87 | 15.00 | 0.87 | 25.39 |
| P10 | 11 | 2 | 1.22 | 79.46 | 1.22 | 38.10 | 1.22 | 12.02 | 1.24 | 13.73 | 1.24 | 16.18 | 1.24 | 26.75 |
| P11 | 11 | 3 | 1.15 | 88.67 | 1.15 | 38.19 | 1.15 | 12.29 | 1.16 | 13.80 | 1.18 | 16.56 | 1.18 | 26.78 |
| P12 | 11 | 4 | 1.06 | 59.65 | 1.06 | 38.66 | 1.08 | 12.65 | 1.09 | 13.83 | 1.09 | 16.99 | 1.07 | 26.77 |
| P13 | 13 | 2 | 1.42 | 391.33 | 1.42 | 42.18 | 1.47 | 13.38 | 1.49 | 15.06 | 1.47 | 17.82 | 1.47 | 28.06 |
| P14 | 13 | 3 | 1.36 | 679.36 | 1.39 | 42.09 | 1.43 | 13.34 | 1.44 | 15.10 | 1.44 | 17.82 | 1.42 | 28.25 |
| P15 | 13 | 4 | 1.28 | 704.26 | 1.29 | 42.18 | 1.31 | 13.30 | 1.31 | 15.28 | 1.32 | 18.13 | 1.30 | 28.43 |
| P16 | 15 | 2 | 1.56 | 326.48 | 1.59 | 45.37 | 1.62 | 14.43 | 1.64 | 16.49 | 1.63 | 19.15 | 1.62 | 29.63 |
| P17 | 15 | 3 | 1.50 | 1393.49 | 1.53 | 45.47 | 1.56 | 14.56 | 1.56 | 16.47 | 1.58 | 19.52 | 1.58 | 30.34 |
| P18 | 15 | 4 | 1.47 | 2348.76 | 1.50 | 45.78 | 1.53 | 14.57 | 1.54 | 16.68 | 1.55 | 19.85 | 1.55 | 30.25 |
| P19 | 17 | 2 | 1.77 | 1461.42 | 1.81 | 49.20 | 1.85 | 15.92 | 1.87 | 17.87 | 1.88 | 20.83 | 1.87 | 31.52 |
| P20 | 17 | 3 | 1.85 | 7237.00 | 1.76 | 49.41 | 1.82 | 15.86 | 1.84 | 17.91 | 1.89 | 21.20 | 1.88 | 31.31 |
| P21 | 17 | 4 | 1.78 | 7225.15 | 1.71 | 49.58 | 1.73 | 15.91 | 1.75 | 18.12 | 1.76 | 21.68 | 1.75 | 31.36 |
| P22 | 20 | 3 | 2.31 | 7277.19 | 2.25 | 54.62 | 2.29 | 17.91 | 2.31 | 19.93 | 2.35 | 24.53 | 2.36 | 34.26 |
| P23 | 20 | 4 | 2.26 | 7303.72 | 2.05 | 54.85 | 2.07 | 17.62 | 2.09 | 20.10 | 2.07 | 24.66 | 2.06 | 33.85 |
| P24 | 20 | 5 | 1.97 | 7328.10 | 1.88 | 55.14 | 1.91 | 17.76 | 1.93 | 20.10 | 1.92 | 25.81 | 1.92 | 33.92 |
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