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.

#8

Goldstein-Price

#10

Rosenbrock

#11

Styblinski-Tang

#14

Lévy 13

#21

Griewank

#34

GradientLabyrinth

#37

Rastrigin

#39

EggHolder

#41

QuantumWell

#48

Langermann 2

#49

Beale

#50

Langermann

#53

Weierstrass

#61

Gramacy & Lee 2D

#64

Ackley

#79

NeuralCanyon