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.

#7

Beale

#26

Goldstein-Price

#30

Styblinski-Tang

#35

Gramacy & Lee 2D

#44

Langermann 2

#46

Weierstrass

#49

Rastrigin

#61

Griewank

#64

Langermann

#67

GradientLabyrinth

#71

Rosenbrock

#71

EggHolder

#77

Lévy 13

#78

QuantumWell

#80

NeuralCanyon

#83

Ackley