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.

#24

EggHolder

#26

Rosenbrock

#31

Goldstein-Price

#31

Beale

#38

Lévy 13

#55

NeuralCanyon

#56

Gramacy & Lee 2D

#56

Langermann

#63

Langermann 2

#64

QuantumWell

#65

GradientLabyrinth

#67

Griewank

#72

Weierstrass

#75

Styblinski-Tang

#77

Ackley

#84

Rastrigin