Table 8 Effect of different maximum generations on evaluation results.

From: Optimization of ore production scheduling strategy using NSGA-II-GRA in open-pit mining

Population size

Single run time

Maximum generations

Hypervolume

Spread

Spacing

Robustness

300

6”47

200

−5.18 \(\times 10^{13}\)

0.44

101,649

281,491

6”21

300

−5.28 \(\times 10^{13}\)

0.73

198,346

285,859

6”06

400

−3.95 \(\times 10^{13}\)

0.70

183,218

297,881

5”87

500

−4.61 \(\times 10^{13}\)

0.47

112,310

287,311

7”38

600

−5.21 \(\times 10^{13}\)

1.44

640,945

275,736

6”32

700

−4.80 \(\times 10^{13}\)

0.89

256,599

288,640

6”21

800

−5.56 \(\times 10^{13}\)

0.37

88,944

283,334