Don't forget that Perl uses power of 2 buffering, so your array probably takes up considerably more space than just the number of elements in it.

Also the simple debuggability and extensibility of hash-based structures makes them a win over arrays in my books. Even if up front you think the development speed is going to be similar, the debugging speed will not be...

In reply to Re (tilly) 2: Comparing memory requirements for hashes and arrays by tilly
in thread Comparing memory requirements for hashes and arrays by pmas

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