Avoid allocation of small arrays in median, extrema, etc

General Usage Performance
23

The direct link is

(Referencing via Resg… can trigger email spamming, see the criticism section on Wikipedia)

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24

Thank you, I’ve changed the link, was copying from the phone, sorry.

25

Thanks, these look neat.

BTW, a slightly less awful algorithm than unrollmedian above is to use TupleTools.sort(x).

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26

May be of interest:
Sorting via branch’s.

https://github.com/JeffreySarnoff/SortingNetworks.jl

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