One can get terribly religious about sorts :) So here are few little extracted quotes. They all attributed to Tom Horsley and can be found in perl 5.6.1 source code (pp_ctl.c comments to qsort functions)

"This is the most wonderfulest possible qsort I can come up with (and still be mostly portable) My (limited) tests indicate it consistently does about 20% fewer calls to compare than does the qsort in the Visual C++ library, other vendors may vary."

and one of my favourites

...they shuffled back towards the rear of the line. 'No, not at the rear!' the slave-driver shouted. 'Three files up. And stay there...

mitd
Interactive!, Paper tape is interactive.
If don't believe me I can show you my paper cut scars.

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