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Undesired CSA behavior with large population size #231
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A little additional insight: this happens on F3 and F12 too (and arguably on F6), and it depends on the initial point in a peculiar way only when initialized badly, here on F3 in the all-positive domain. |
As a poor temporary band-aid, the TPA damping is changed from |
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on the BBOB Rastrigin function F15.
CMA-ES with
popsize=3999
will increase the initial standard deviation by almost a factor of 1000 when the initial point is chosen likeStrangely enough, and remarkably, this does not happen on the
cma.ff.rastrigin
function.Strangely enough, we see even full-blown divergence with TPA (and no problem on
ff.rastrigin
).The text was updated successfully, but these errors were encountered: