Research Article

Evolutionary Hyperheuristics for Location-Routing Problem with Simultaneous Pickup and Delivery

Table 10

Results for the CLRPSPD instances in Tuzun and Burke.

CaseBKSTS-SAQS2-SAAS-AMPS-AM
BestGapCPUBestGapCPUBestGapCPUBestGapCPU

P11504.451504.450.0018.81504.450.0019.51504.450.0016.51504.860.0314.2
P21474.331474.330.0019.51474.330.0018.81474.330.0017.21474.330.0014.4
P31414.351414.460.0117.61415.130.0617.51414.350.0015.41414.350.0013.2
P41477.491481.500.2720.31484.290.4619.51477.490.0018.21477.490.0015.1
P512301233.690.3018.91233.240.2618.61227.89−0.1716.51233.540.2914.7
P61123.721123.720.0017.91123.720.0019.21123.720.0016.61123.720.0012.2
P7812.42812.420.0018.8812.420.0022.0812.420.0016.3812.420.0015.0
P8752.66751.89−0.1024.0754.150.2023.3752.41−0.0319.0759.210.8711.6
P91273.31273.300.0018.81273.300.0019.21273.300.0015.81273.300.0014.5
P101265.11265.100.0022.51265.02−0.0122.81266.200.0920.01265.100.0017.4
P11911.52911.520.0020.3911.520.0018.4911.520.0016.8911.520.0015.4
P121033.381031.94−0.1423.51033.380.0022.61033.27−0.0120.21033.380.0018.1
P131943.411947.920.2359.11946.580.1658.51949.760.3349.91947.980.2441.9
P141848.691848.690.0066.11856.100.4067.41859.170.5758.41862.250.7346.4
P152011.292011.320.0067.72011.390.0071.32016.290.2558.52012.290.0549.1
P161856.031861.730.3163.51859.970.2169.81862.650.3659.41859.320.1847.5
P171479.771484.970.3569.31490.830.7569.31483.730.2758.71491.360.7848.9
P181452.491453.050.0467.11453.580.0868.41452.28−0.0158.61452.730.0247.8
P191228.491228.11−0.0360.61228.520.0061.31228.490.0053.91228.690.0247.5
P20949.82949.820.0068.3951.620.1968.7950.060.0358.9949.820.0045.7
P211732.811736.520.2160.91736.450.2161.91737.800.2953.21735.630.1642.9
P221426.411426.450.0076.61426.660.0277.41427.570.0864.61425.37−0.0757.6
P231238.781229.69−0.7370.01226.08−1.0369.61229.69−0.7359.01229.69−0.7349.4
P241166.81166.800.0064.01166.800.0066.31166.800.0057.01166.800.0051.4
P252338.892343.120.18153.22339.540.03146.92343.640.20102.42351.630.5476.7
P262224.862226.410.07177.62240.000.68173.02238.670.62122.92228.800.18115.1
P272293.852298.340.20175.92298.040.18178.32297.870.18115.32302.650.38112.1
P282292.912303.170.45154.42303.630.47147.12301.040.35107.22307.620.6495.8
P292159.622163.170.16160.22158.57−0.05159.82159.830.01110.22169.930.4889.4
P301727.671731.950.25175.11733.800.35172.71729.770.12132.21729.040.08103.6
P311483.341486.360.20172.01484.890.10171.21484.870.10116.81486.350.20114.3
P321101.651102.310.06149.01102.290.06138.41103.930.2196.71102.440.07100.5
P332001.362002.820.07154.92003.390.10147.42002.790.07129.52003.160.0975.5
P341973.431975.630.11164.11977.830.22165.51981.090.39115.51982.100.44107.9
P351801.821810.440.48177.91825.681.32164.51826.611.38130.41822.021.12148.1
P361418.81425.630.48151.51423.960.36140.01422.240.24123.91432.100.94101.2
Av.1541.470.1083.31542.530.1682.11542.440.1463.91543.420.2155.3
MD.0.0566.60.0968.60.0858.60.0847.7

Bold numbers are the minimum value among four obtained solutions. Underscore and italic numbers are the obtained values less than the best known solutions. The instances are represented by “PN,” where N represents the serial number.