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

Lévy 13

#7

GradientLabyrinth

#12

Rosenbrock

#14

Beale

#21

Weierstrass

#24

Goldstein-Price

#24

QuantumWell

#36

Ackley

#42

Griewank

#43

Styblinski-Tang

#51

NeuralCanyon

#52

Langermann 2

#53

Gramacy & Lee 2D

#61

Langermann

#70

EggHolder

#75

Rastrigin