I don't think you're going to gain any efficiency or clarity from declaring it as such. I would just make a comment when you declare the array 

#@large will hold a 1000 element list
my @large;

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rather than 
#@large will hold a 1000 element list
my @large;
$#large = 1000;

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Grygonos

In reply to Re: size of array by Grygonos
in thread size of array by Angharad

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