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.

#2

Styblinski-Tang

#6

GradientLabyrinth

#7

Gramacy & Lee 2D

#13

NeuralCanyon

#13

Weierstrass

#21

Lévy 13

#22

Rosenbrock

#29

Beale

#33

Langermann 2

#37

Griewank

#38

EggHolder

#45

Goldstein-Price

#54

QuantumWell

#60

Langermann

#68

Rastrigin

#80

Ackley