And will all be drawn from the same lot: Perl's memory pool.

When memory is freed, it can be released to perl's free memory pool rather than being released to the OS. Future allocations will dip into this pool first.

From Re: Long running tasks, perl and garbage collection by ikegami

In reply to Re^3: Hashes do preserve insertion order after all by bliako
in thread Hashes do preserve insertion order after all by kikuchiyo

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