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.

#11

GradientLabyrinth

#31

NeuralCanyon

#42

Ackley

#52

Styblinski-Tang

#64

Rastrigin

#67

Beale

#70

QuantumWell

#71

Goldstein-Price

#73

Weierstrass

#74

Langermann 2

#76

Langermann

#79

Gramacy & Lee 2D

#81

Lévy 13

#81

EggHolder

#82

Rosenbrock

#83

Griewank