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.

#15

GradientLabyrinth

#31

Langermann

#32

Langermann 2

#32

Lévy 13

#32

Beale

#34

Gramacy & Lee 2D

#36

EggHolder

#57

QuantumWell

#62

NeuralCanyon

#63

Rosenbrock

#72

Ackley

#75

Weierstrass

#76

Styblinski-Tang

#77

Goldstein-Price

#80

Griewank

#82

Rastrigin