On Sul, 2005-01-23 at 05:05, Jesper Juhl wrote:
> On Sun, 23 Jan 2005, Andi Kleen wrote:
> Even with large data sets that are mostly unsorted shell sorts performance 
> is close to qsort, and there's an optimization that gives it O(n^(3/2)) 
> runtime (IIRC), and another nice property is that it's iterative so it 
> doesn't eat up stack space (as oposed to qsort which is recursive and eats 
> stack like ****)...

qsort also has bad worst case performance which matters if you are
sorting data provided by a hostile source.

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