Table 6.
Effect of supply level & priority score on model [MO] computational efficiency.
| Weight | Supply level 50% |
Supply level 75% |
Supply level 100% |
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|---|---|---|---|---|---|---|---|---|---|---|---|
| Obj.Value | CPU time (s) | Gap (%) | Obj.Value | CPU time (s) | Gap (%) | Obj.Value | CPU time (s) | Gap (%) | |||
| 0 | 0.00% | 17.33 | 0.00 | 0.00% | 17.19 | 0.00 | 0.00% | 15.72 | 0.00 | ||
| 0.2 | 8.09% | 18.80 | 0.00 | 7.66% | 1344.03 | 0.00 | 7.14% | 193.90 | 0.00 | ||
| 0.4 | 9.16% | 18.39 | 0.00 | 7.88% | 17.77 | 0.00 | 7.16% | 16.62 | 0.00 | ||
| 0.6 | 8.41% | 18.09 | 0.00 | 6.82% | 17.83 | 0.00 | 5.90% | 16.30 | 0.00 | ||
| 0.8 | 5.81% | 17.95 | 0.00 | 5.11% | 17.92 | 0.00 | 4.08% | 16.42 | 0.00 | ||
| 1 | 0.00% | 17.56 | 0.00 | 0.00% | 18.14 | 0.00 | 0.00% | 16.19 | 0.00 | ||
| Average | 5.24% | 18.02 | 0.00 | 4.58% | 238.81 | 0.00 | 4.05% | 45.86 | 0.00 | ||
| (a) Supply level effect for priority score type “Decreasing” | |||||||||||
| Weight | Decreasing priority |
Same priority |
Increasing priority |
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| Obj.Value | CPU time (s) | Gap (%) | Obj.Value | CPU time (s) | Gap (%) | Obj.Value | CPU time (s) | Gap (%) | |||
| 0 | 0.00% | 17.19 | 0.00 | 0.00% | 17.44 | 0.00 | 0.00% | 17.37 | 0.00 | ||
| 0.2 | 7.66% | 1344.03 | 0.00 | 7.75% | 274.03 | 0.00 | 4.37% | 17.94 | 0.00 | ||
| 0.4 | 7.88% | 17.77 | 0.00 | 10.76% | 17.95 | 0.00 | 4.64% | 17.59 | 0.00 | ||
| 0.6 | 6.82% | 17.83 | 0.00 | 7.77% | 17.98 | 0.00 | 4.45% | 17.92 | 0.00 | ||
| 0.8 | 5.11% | 17.92 | 0.00 | 4.44% | 17.86 | 0.00 | 3.61% | 18.12 | 0.00 | ||
| 1 | 0.00% | 18.14 | 0.00 | 0.00% | 102.26 | 0.00 | 0.00% | 18.11 | 0.00 | ||
| Average | 4.58% | 238.81 | 0.00 | 5.12% | 74.59 | 0.00 | 2.85% | 17.84 | 0.00 | ||
| (b) Effect of priority score Under Supply level of 75% | |||||||||||