Research Article
Production Scheduling of Open Pit Mines Using Particle Swarm Optimization Algorithm
Table 5
Numerical results of different variants of the GCPSO algorithm in the case of problem 2.
| Local GCPSO | % GAP |
CPU time (minutes) | Mean | Standard deviation |
| = 4 | 3.28 | 0.26 | 22.29 | = 8 | 2.96 | 0.39 | 22.72 | = 12 | 3.09 | 0.27 | 23.17 | = 16 | 2.70 | 0.50 | 23.50 | = 20 | 2.63 | 0.63 | 23.53 | = 24 | 2.28 | 0.36 | 23.94 | Global GCPSO | 2.67 | 0.47 | 20.32 | Multistart GCPSO | 2.70 | 0.62 | 20.12 |
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