Table 31 Statistical results for cantilever beam problem using CI–SAPF, CI–SAPF–CBO and CBO

From: Cohort intelligence with self-adaptive penalty function approach hybridized with colliding bodies optimization algorithm for discrete and mixed variable constrained problems

Results CI–SAPF CI–SAPF–CBO CBO
Best 1.34 1.34 3.20
Mean 1.34 1.34 6.28
Worst 1.34 1.34 7.58
Std. Dev 1.74E-07 6.51E-05 1.78
Avg. CPU time \((\rm sec)\) 0.91 1.83 0.06
Avg. function evaluations 9581 11,761 2320