> I had thought that the Schwartzian and Guttman-Rosler transformations would have been the fastest, but that wasn't the case. In fact, those that performed extraction of the number, prior to comparison, within the sort, were the quickest

you are only testing with 10 elements in your @unordered array.

for n elements you have in best case O(n*log(n)) comparisons but O(n) packs and unpacks with ST and GRT, which means the overhead to extract n numbers will account much more for small n.

use at least n >> 1000 elements for a real benchmark.

Rule of thumb : the choice of algorithm is almost always neglectable for small data.

update

it's like getting the Porsche out of the garage to buy a six-pack of beer just 10m around the corner.

Cheers Rolf
(addicted to the Perl Programming Language :)
Wikisyntax for the Monastery

In reply to Re^2: How can I do a numeric sort on a substring? [Benchmark] by LanX
in thread How can I do a numeric sort on a substring? by misterperl

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.