Research Article

A Bilevel Programming Model and Algorithm for the Static Bike Repositioning Problem

Table 6

Results comparison of different workloads (Q=20, L=U=60, T=14400).

Light levelReal levelHeavy level
BestAvgCpu (%)(%)BestAvgCpu (%)(%)BestAvgCpu (%) (%)

20135.3294135.35176.098099.920999.8305138.1661138.16615.945388.144388.1443154.5146154.59987.387583.403083.3310

40270.2953271.43145.778183.756380.9635271.2084271.8244.034786.057484.9162356.7850357.72066.838554.290853.8314

60421.6972422.45984.490659.747258.4964415.5485418.19193.334472.021368.0005593.7192594.74045.515636.572536.2430

80557.5409558.83675.418754.361152.4564553.2614554.66764.845364.141062.2573759.5554761.29303.796932.198231.6927

100699.3996700.41353.204740.443439.2752694.8413696.08722.636047.290445.8971936.6365939.37335.865627.855427.1720

120854.5804856.41213.731336.825335.2809839.5803842.99623.029742.635039.36511181.23951184.17724.328120.789120.2097

1401011.74221012.98443.339132.554931.6730998.4752999.08572.223435.107134.62241402.53491405.90533.064118.228317.6610

1601157.72371159.69472.229729.037127.78871153.78491154.41731.403132.314631.91861585.49351592.03433.604717.491816.4921

1801328.60671331.46902.020325.560924.09561335.97921337.06321.875025.572025.04391878.45441881.68332.559413.478413.0766

2001504.39611505.53432.009422.989622.48921495.61881497.42451.870324.207923.38552190.14342192.08593.126611.378411.1784

Avg3.832048.519747.23493.119751.749150.35514.608731.568631.0888