Research Article
A Two-Phase Heuristic Algorithm for the Common Frequency Routing Problem with Vehicle Type Choice in the Milk Run
Table 2
Results obtained for the three algorithms (SA, TS, and TP-TSLSS).
| Instance | SN | SA | TS | TP-TSLSS | Average | (s) | | Average | (s) | | Average | (s) | |
| 1 | 10 | 1619.1 | 16.54 | 87.31 | 1386.2 | 32.47 | 0 | 1386.2 | 14.63 | 0 | 2 | 10 | 1574.3 | 15.26 | 76.31 | 1388 | 32.58 | 0 | 1388 | 14.19 | 0 | 3 | 10 | 1491 | 15.94 | 40.20 | 1421.9 | 32.82 | 0 | 1421.9 | 13.46 | 0 | 4 | 10 | 1582.5 | 16.31 | 72.18 | 1477.8 | 33.54 | 0 | 1477.8 | 13.22 | 0 | 5 | 10 | 1604.9 | 16.82 | 71.94 | 1487.5 | 31.96 | 40.31 | 1438.2 | 14.07 | 0 | 6 | 20 | 2568.9 | 17.27 | 82.56 | 2333.3 | 46.64 | 41.07 | 2354.9 | 16.86 | 32.18 | 7 | 20 | 2602.1 | 17.14 | 84.1 | 2669.8 | 45.61 | 56.2 | 2564.9 | 18.11 | 35.91 | 8 | 20 | 2492.8 | 17.93 | 86.46 | 2510.6 | 46.28 | 47.9 | 2421.7 | 17.65 | 34.5 | 9 | 20 | 2618.3 | 17.37 | 87.29 | 2765.6 | 46.19 | 60.1 | 2571.4 | 18.79 | 33.14 | 10 | 20 | 2310.5 | 17.49 | 84.39 | 2275.8 | 45.94 | 50.4 | 2242.3 | 18.14 | 36.2 | 11 | 30 | 3421.9 | 20.15 | 118.3 | 3527.8 | 54.92 | 76.60 | 3317.3 | 18.25 | 42.71 | 12 | 30 | 3679.8 | 21.25 | 110.38 | 3421.4 | 51.35 | 71.35 | 3308.2 | 18.19 | 41.6 | 13 | 30 | 3419.2 | 20.62 | 109.49 | 3507.3 | 52.84 | 70.58 | 3301.9 | 17.46 | 40.84 | 14 | 30 | 3519.3 | 20.48 | 111.64 | 3646.5 | 51.75 | 75.63 | 3396 | 18.22 | 40.23 | 15 | 30 | 3827.6 | 21.16 | 126.45 | 4214.5 | 54.28 | 79.37 | 3736.1 | 17.07 | 42.5 | 16 | 50 | 6425 | 24.85 | 410.72 | 5970.9 | 65.14 | 120.47 | 5405.1 | 21.16 | 55.57 | 17 | 50 | 6015.8 | 24.72 | 382.64 | 6110.1 | 66.28 | 110.62 | 5998 | 23.92 | 58.35 | 18 | 50 | 5702.8 | 24.93 | 341.83 | 5741.3 | 66.04 | 84.59 | 5627.6 | 22.16 | 51.94 | 19 | 50 | 5602.6 | 24.19 | 339.63 | 5870.8 | 65.92 | 92.46 | 5218.5 | 21.45 | 57.49 | 20 | 50 | 6092.4 | 25.62 | 329.74 | 6368.6 | 65.85 | 87.94 | 5686 | 22.81 | 53.85 | 21 | 70 | 8510.6 | 40.57 | 370.16 | 9079.7 | 78.49. | 185.84 | 7615.3 | 21.36 | 117.03 | 22 | 70 | 8217.9 | 39.47 | 382.94 | 8820 | 76.32 | 172.94 | 7846.5 | 20.73 | 107.52 | 23 | 70 | 8246.2 | 39.29 | 411.74 | 8459.4 | 79.40 | 168.48 | 7386.5 | 24.91 | 104.73 | 24 | 70 | 8817.1 | 40.19 | 382.65 | 8990.5 | 78.35 | 171.82 | 8170.2 | 26.15 | 101.49 | 25 | 70 | 8109.6 | 40.95 | 347.93 | 8246.8 | 75.29 | 174.9 | 8051.6 | 24.91 | 113.52 | 26 | 90 | 10492 | 64.18 | 403.27 | 10737 | 106.73 | 272.32 | 9275.6 | 42.15 | 177.28 | 27 | 90 | 11600 | 64.29 | 410.46 | 12446 | 104.28 | 234.72 | 9079.4 | 38.81 | 171.36 | 28 | 90 | 10843.3 | 63.16 | 406.84 | 13647.5 | 105.82 | 258.19 | 8961.5 | 39.74 | 173.85 | 29 | 90 | 11692.3 | 62.85 | 409.58 | 11436.7 | 104.18 | 241.74 | 9235.9 | 40.39 | 174.82 | 30 | 90 | 10239.5 | 61.93 | 407.15 | 10869.1 | 108.37 | 229.64 | 9572.5 | 41.39 | 169.83 | 31 | 110 | 20487 | 89.72 | 779.67 | 21116.8 | 132.48 | 541.39 | 18016.1 | 57.97 | 338.29 | 32 | 110 | 18732.1 | 80.17 | 789.24 | 20429.2 | 130.82 | 527.64 | 11742.3 | 58.26 | 310.34 | 33 | 110 | 19035.5 | 85.26 | 835.92 | 19816.3 | 135.69 | 510.74 | 18535.4 | 54.94 | 340.93 | 34 | 110 | 19024.1 | 84.38 | 931.64 | 19252.5 | 131.94 | 509.86 | 17939.4 | 56.18 | 358.5 | 35 | 110 | 19348.2 | 85.25 | 764.92 | 21624.1 | 130.74 | 511.96 | 17310.6 | 57.69 | 379.29 | 36 | 150 | 30813 | 180.38 | 1348.4 | 27982 | 359.22 | 973.46 | 24094 | 150.06 | 835.35 | 37 | 150 | 29813 | 181.57 | 1246.7 | 30583 | 355.42 | 1004.8 | 24695 | 146.78 | 821.46 | 38 | 150 | 30847 | 182.62 | 1329.5 | 31764 | 356.86 | 986.83 | 28174 | 149.03 | 782.48 | 39 | 150 | 29139 | 180.37 | 1482.9 | 30269 | 357.42 | 904.74 | 27108 | 142.86 | 795.83 | 40 | 150 | 28742 | 179.84 | 1279.3 | 29264 | 352.91 | 981.34 | 26495 | 149.82 | 849.73 | 41 | 200 | 50954 | 240.44 | 3231.6 | 56340 | 412.49 | 2874.3 | 48246 | 191.51 | 1576.3 | 42 | 200 | 58192 | 238.59 | 3593.5 | 58861 | 414.65 | 2763.1 | 52407 | 200.18 | 1639.4 | 43 | 200 | 56102 | 241.68 | 3819.3 | 57928 | 416.72 | 2492.6 | 52887 | 194.27 | 1582.6 | 44 | 200 | 57149 | 240.27 | 3719.4 | 59218 | 418.39 | 2742.8 | 50961 | 187.37 | 1782.4 | 45 | 200 | 56291 | 239.39 | 3691.3 | 58316 | 419.62 | 2972.6 | 51620 | 194.72 | 1629.7 | 46 | 250 | 67194 | 380.54 | 4691.1 | 75935 | 630.28 | 3687.7 | 62171 | 320.06 | 2428.7 | 47 | 250 | 62719 | 379.37 | 4851.2 | 77501 | 635.42 | 3582.5 | 59954 | 310.78 | 2592.6 | 48 | 250 | 61461 | 378.46 | 4923.6 | 78519 | 638.87 | 3601.4 | 58917 | 314.03 | 2174.5 | 49 | 250 | 70192 | 377.35 | 4392.6 | 76110 | 640.41 | 3582.6 | 63625 | 317.86 | 2852.8 | 50 | 250 | 64192 | 373.42 | 4729.5 | 71926 | 639.93 | 3571.4 | 62128 | 326.82 | 2394.8 | 51 | 300 | 82155 | 520.69 | 7397.9 | 92167 | 912.49 | 5821.2 | 78166 | 463.51 | 4232.6 | 52 | 300 | 84124 | 510.53 | 7492.4 | 91135 | 894.65 | 5614.9 | 77640 | 447.18 | 3872.6 | 53 | 300 | 88307 | 517.49 | 7148.6 | 90114 | 906.72 | 5937.6 | 75783 | 482.27 | 3741.9 | 54 | 300 | 83491 | 512.83 | 7395.1 | 87910 | 918.39 | 5286.4 | 78629 | 419.37 | 4173.6 | 55 | 300 | 76529 | 509.59 | 7505.6 | 88412 | 909.62 | 5825.1 | 73210 | 426.72 | 4394.5 |
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