Re: tags in the 3 lowest bits

[Stefan Monnier]

> OTOH, small arrays are already inefficient (because each array, no matter
> how small, is added to the memory-map (a binary tree) used for conservative
> stack marking).  So maybe we should begin by changing the handling of small
> arrays (similar to what is done for strings, although I'm not quite sure
> what it would look like).

Of course, an alternative would be to switch to BoehmGC.
Dave Love has started work on this and it would be interesting to see
how it works out in practice (what kind of impact it has on memory
footprint and CPU usage).


        Stefan