Research Article
A Heuristics-Based Parthenogenetic Algorithm for the VRP with Potential Demands and Time Windows
Table 5
Comparison results.
| Instance | | GA | HGA | HPGA | Gap | Obj | Time | Obj | Time | Obj | Time | GA | HGA |
| 1 | 0.2 | 71584 | 8059 | 70152 | 3750 | 58291 | 271 | 0.23 | 0.20 | 0.4 | 70514 | 5041 | 69841 | 2351 | 0.21 | 0.20 | 0.6 | 67415 | 2580 | 66410 | 1225 | 0.16 | 0.14 | 0.8 | 69045 | 1102 | 68125 | 952 | 0.18 | 0.17 |
| 2 | 0.2 | 71201 | ā | 68410 | 4059 | 56124 | 258 | 0.27 | 0.22 | 0.4 | 64151 | 4245 | 65124 | 2584 | 0.14 | 0.16 | 0.6 | 61490 | 1751 | 60155 | 1354 | 0.10 | 0.07 | 0.8 | 59510 | 1105 | 57742 | 852 | 0.06 | 0.03 |
| 3 | 0.2 | 80159 | 8156 | 68411 | 4594 | 61025 | 312 | 0.31 | 0.12 | 0.4 | 75512 | 5894 | 75142 | 3154 | 0.24 | 0.23 | 0.6 | 64589 | 3015 | 63142 | 1981 | 0.06 | 0.03 | 0.8 | 62015 | 1705 | 62144 | 1101 | 0.02 | 0.02 |
| 4 | 0.2 | 68150 | 9425 | 65124 | 5154 | 55410 | 215 | 0.23 | 0.18 | 0.4 | 65058 | 4059 | 62042 | 2129 | 0.17 | 0.12 | 0.6 | 61254 | 1759 | 61458 | 905 | 0.11 | 0.11 | 0.8 | 62548 | 851 | 60458 | 638 | 0.13 | 0.09 |
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