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.

#10

NeuralCanyon

#12

Langermann 2

#21

Rastrigin

#23

Langermann

#24

Beale

#28

Gramacy & Lee 2D

#40

Lévy 13

#41

Weierstrass

#46

Goldstein-Price

#48

EggHolder

#50

QuantumWell

#51

Ackley

#54

Griewank

#57

Rosenbrock

#58

Styblinski-Tang

#58

GradientLabyrinth