> $ip4{pack "CC", $i0, $i1}{pack "CC", $i2, $i3} proves to be the most memory-friendly approach

This might be true for long keys, but the original strings of the keys are only stored once.

    
{192.168}{101.208}   :  69879492
...
{xC0xA8}{x65xD0}     :  69611776

[download]

that's a gain of ~0.3% °

I'd call this micro optimization, or did I miss something?

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

°) 0.383% to be more precise, so rather ~0.4%

In reply to Re^3: Hash Search is VERY slow by LanX
in thread Hash Search is VERY slow by rtjensen

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