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| Perl: the Markov chain saw | |
| PerlMonks |
Re^3: Case insensitive hash key existanceby ikegami (Patriarch) |
| on Nov 22, 2017 at 17:09 UTC ( [id://1204040]=note: print w/replies, xml ) | Need Help?? |
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Be warned of the massive performance hit. It replaces an O(1) lookup with than O(N) lookup. That's not good, but it's not so bad ...except that this is likely used in another another loop. Then that O(N) or O(N^2) loop because O(N^2) or O(N^3), and things start to crawl.
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