Perl's sorting algorithm is a modified quicksort which chooses elements in a pattern which makes it fast on sorted data sets.

There are slow patterns, which is why Perl 5.8 will default to a mergesort. But the slow patterns are a lot harder to hit than just sorting the data.

In reply to Re (tilly) 2: Slow at sorting? by tilly
in thread Slow at sorting? by orbital

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