Powell in 24 dimensions, 240000 evaluations at most
Evaluations until the error is at most
algorithm         1     1e-2     1e-4     1e-6     1e-8     best
CMA-ES         1716     4004     7943    13546    19864   9.9e-9
sep-CMA-ES     1404     2665    11427   104260        -   1.7e-7
DE             9300    14800    44100    60900    79400   9.7e-9
PSO            6520    13520    59640        -        -   4.7e-6
GA            10901   119908        -        -        -   3.3e-3
