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.

#1

Weierstrass

#5

Langermann 2

#8

Rastrigin

#13

GradientLabyrinth

#28

NeuralCanyon

#34

Langermann

#35

EggHolder

#38

Gramacy & Lee 2D

#43

Ackley

#53

QuantumWell

#58

Styblinski-Tang

#63

Beale

#64

Rosenbrock

#69

Goldstein-Price

#72

Griewank

#74

Lévy 13