Research Article
Production Scheduling of Open Pit Mines Using Particle Swarm Optimization Algorithm
Table 2
Numerical results of different variants of the PSO algorithm in the case of problem 1.
| Local PSO | % GAP |
CPU time (minutes) | Mean | Standard deviation |
| = 4 | 5.46 | 0.36 | 132.36 | = 8 | 5.01 | 0.51 | 129.96 | = 12 | 4.84 | 0.50 | 131.77 | = 16 | 4.67 | 0.67 | 132.31 | = 20 | 5.03 | 0.63 | 134.83 | = 24 | 4.67 | 0.61 | 134.25 | Global PSO | 5.16 | 0.51 | 124.34 | Multistart PSO | 4.43 | 0.59 | 124.09 |
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