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.

#6

Griewank

#10

Ackley

#22

QuantumWell

#30

Styblinski-Tang

#31

GradientLabyrinth

#36

Lévy 13

#36

Weierstrass

#38

Goldstein-Price

#41

Gramacy & Lee 2D

#43

EggHolder

#45

Langermann

#49

NeuralCanyon

#54

Beale

#55

Langermann 2

#62

Rastrigin

#67

Rosenbrock