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

Langermann

#5

NeuralCanyon

#8

Langermann 2

#10

Gramacy & Lee 2D

#21

Beale

#22

Rastrigin

#39

Weierstrass

#40

GradientLabyrinth

#44

Lévy 13

#46

QuantumWell

#51

Rosenbrock

#52

Goldstein-Price

#52

EggHolder

#55

Griewank

#55

Styblinski-Tang

#59

Ackley