Research Article

A Hybrid Differential Evolution and Tree Search Algorithm for the Job Shop Scheduling Problem

Table 3

The computational results under moderate due dates ( ).

Instance set no. Size ( )HDEGLS

1 1.000 1.181 1.090 1.085 1.248 1.124
2 1.000 1.146 1.099 1.084 1.266 1.151
3 1.000 1.165 1.117 1.010 1.205 1.144
4 1.000 1.200 1.153 1.005 1.306 1.178
5 1.000 1.218 1.101 1.094 1.279 1.154
6 1.000 1.164 1.115 1.095 1.252 1.139
7 1.000 1.184 1.110 1.087 1.324 1.167
8 1.000 1.166 1.086 1.086 1.214 1.118
9 1.000 1.147 1.096 1.010 1.262 1.130
10 1.000 1.195 1.086 1.080 1.329 1.159