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

Langermann 2

#15

Langermann

#15

Weierstrass

#16

Griewank

#18

Rastrigin

#23

NeuralCanyon

#24

Beale

#29

Gramacy & Lee 2D

#40

Lévy 13

#45

EggHolder

#47

QuantumWell

#48

Goldstein-Price

#54

Ackley

#54

Rosenbrock

#58

Styblinski-Tang

#58

GradientLabyrinth