Trading some speed and adding some complexity to an array implementation to save memory on sparse arrays is a pretty straightforward concept. It's obviously not how Perl does it, based on the report of ps. No big surprise, since Perl normally favors speed over memory.

In reply to Re^7: Could we save the memory occupied by "undef" in an array? by perrin
in thread Could we save the memory occupied by "undef" in an array? by lightoverhead

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