Re^2: extract phrases of n-words length

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c:\test>774421-2
Using words: 44501
Using numbers: 40801

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Numbers array: 12776
Lookup hash:   8860

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Lookup words:   0.000440120697021484 seconds
Lookup numbers: 0.000699043273925781 seconds
...
Lookup words:   0.000285863876342773 seconds
Lookup numbers: 0.000767946243286133 seconds
Lookups words: 515; numbers:515

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#! perl -sw
use 5.010;
...
and composing your key out of the integers rather than the word string
+s
as you are doing now. Keys composed out of numerical indexes
would save space and possibly search time.

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