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

EggHolder

#4

NeuralCanyon

#10

Goldstein-Price

#12

Griewank

#12

Lévy 13

#15

QuantumWell

#16

Rosenbrock

#20

Ackley

#25

Gramacy & Lee 2D

#26

Langermann

#28

Langermann 2

#35

Rastrigin

#36

GradientLabyrinth

#37

Beale

#38

Weierstrass

#55

Styblinski-Tang