Functions are sorted based on the optimizer's performance relative to other algorithms. The rank number on each image (e.g. #1) indicates its standing on that specific function compared to all other optimizers tested.

#20

Langermann

#28

Goldstein-Price

#49

Ackley

#58

Lévy 13

#63

Griewank

#66

Rastrigin

#68

Weierstrass

#71

Styblinski-Tang

#73

Langermann 2

#73

GradientLabyrinth

#74

QuantumWell

#77

Gramacy & Lee 2D

#78

Beale

#79

Rosenbrock

#85

NeuralCanyon

#86

EggHolder