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

Rosenbrock

#7

Goldstein-Price

#11

Beale

#20

Lévy 13

#22

Langermann 2

#26

Weierstrass

#34

QuantumWell

#35

Griewank

#44

Gramacy & Lee 2D

#44

NeuralCanyon

#47

Langermann

#55

GradientLabyrinth

#60

Rastrigin

#64

EggHolder

#68

Styblinski-Tang

#74

Ackley