[R] R Memory Usage Concerns

[hadley wickham]

> its 32-bit representation. This seems like it might be too
> conservative for me, since it implies that R allocated exactly as much
> memory for the lists as there were numbers in the list (e.g. typically
> in an interpreter like this you'd be allocating on order-of-two
> boundaries, i.e. sizeof(obj) << 21; this is how Python lists
> internally work).

This is not how R vectors work.  R data structures tend to be
immutable, and so are designed somewhat differently to their python
equivalents.

Hadley


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