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> I noticed you decreased the maximum array size for sort from 2^50 to
> 2^40 elements.
> This actually brings it into range of real life operations. (it's not
> unheard of to have 46bits of addressable memory now).
> Though a single threaded sort operation might take a long time with
> that much data,
> Imagine the disappointment when your multi-month sort overruns your stack ;)

Real size is still limited by the size of an 'int', which in most
machines is 2^31.

-- Roberto