in reply to Re^3: What are the other option for sorting the keys of hash of hashes
in thread What are the other option for sorting the keys of hash of hashes

moritz, i dont have any performance problem....
This is just for knowledge....
thanks
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Re^5: What are the other option for sorting the keys of hash of hashes
by salva (Canon) on Sep 29, 2008 at 11:45 UTC
    then, read the paper A Fresh Look at Efficient Perl Sorting by Uri Guttman and Larry Rosler, for an explanation of advanced sorting techniques in Perl.

    Also, take a look at the Perl modules Sort::Maker (implements most of the methods described in the paper) and Sort::Key (probably the fastest).