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.

#12

Rastrigin

#13

Gramacy & Lee 2D

#17

GradientLabyrinth

#18

Ackley

#18

Langermann

#20

Griewank

#27

Langermann 2

#32

Weierstrass

#39

Goldstein-Price

#39

QuantumWell

#43

Beale

#48

NeuralCanyon

#51

Lévy 13

#56

EggHolder

#58

Styblinski-Tang

#65

Rosenbrock