You can use the C library's pow() function, so long as your numbers don't need Math::BigFloat treatment:.

$ perl -MPOSIX=pow -e 'print pow(500000,1/5),$/' 
13.7972966146122

[download]
Very fast.

After Compline,
Zaxo

In reply to Re: Help w/ Code Optimization by Zaxo
in thread Help w/ Code Optimization by sifukurt

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