Yin-Yang Firefly Algorithm Based on Dimensionally Cauchy Mutation

•Propose a new Ying-Yang firefly algorithm (YYFA) based on dimensionally Cauchy mutation.•Initialize the fireflies by good nodes set (GNS) strategy.•A designed randomly attraction model is used to help convergence.•Ying-Yang firefly self-learning strategy is employed to reduce the time complexity.•The YYFA algorithm has a competitive performance on CEC 2013 and constrained problems.