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.

#4

Lévy 13

#4

GradientLabyrinth

#7

Rastrigin

#7

EggHolder

#11

Ackley

#17

Rosenbrock

#19

Goldstein-Price

#20

Styblinski-Tang

#21

NeuralCanyon

#26

Griewank

#31

QuantumWell

#48

Gramacy & Lee 2D

#56

Langermann 2

#72

Beale

#77

Weierstrass

#79

Langermann