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.

#5

Langermann

#7

Langermann 2

#16

Beale

#19

Gramacy & Lee 2D

#19

NeuralCanyon

#23

Rosenbrock

#37

GradientLabyrinth

#41

Rastrigin

#41

Goldstein-Price

#44

EggHolder

#44

Weierstrass

#46

Lévy 13

#52

QuantumWell

#53

Griewank

#58

Ackley

#66

Styblinski-Tang