I hope perl is not so inefficient that it copies all the content of a list when it needs to process it,

Hoping doesn't change anything; I described what the code (perl sources) actually do; it is your choice whether to believe me or not.

You could always check for yourself:

<Reveal this spoiler or all in this thread>
Well that's too bad,

Oh, sorry. I wasn't aware you had joined the Answers Approval Subcommittee?

if you need to gather your data ...

Are you sure that what I said?

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority". The enemy of (IT) success is complexity.
In the absence of evidence, opinion is indistinguishable from prejudice.

In reply to Re^5: Does "preallocating hash improve performance"? Or "using a hash slice"? by BrowserUk
in thread Does "preallocating hash improve performance"? Or "using a hash slice"? by vr

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