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.

#9

Langermann

#30

EggHolder

#36

QuantumWell

#37

NeuralCanyon

#47

GradientLabyrinth

#53

Rastrigin

#62

Langermann 2

#63

Gramacy & Lee 2D

#71

Ackley

#73

Griewank

#78

Rosenbrock

#78

Weierstrass

#81

Beale

#82

Lévy 13

#83

Goldstein-Price

#86

Styblinski-Tang