Table 27 Statistical results for tension–compression helical spring problem using CI–SAPF, CI–SAPF–CBO and CBO
Results | CI–SAPF | CI–SAPF–CBO | CBO |
---|---|---|---|
Best | 2.6586 | 2.6586 | 3.2440 |
Mean | 2.6601 | 2.6594 | 4.1223 |
Worst | 2.6722 | 2.6630 | 5.5331 |
Std. Dev | 0.0032 | 0.0014 | 0.8765 |
Avg. CPU time \((\rm sec)\) | 2.05 | 2.02 | 0.04 |
Avg. function evaluations | 3030 | 2991 | 65 |