[MLton-devel] allocation performance improvements

[Stephen Weeks]

> In the very early days of the native codegen, I had toyed with some
> alternative representations of the register map (e.g., ensuring that
> we could never have two entries for the same register) using arrays
> or vectors, but I never saw a speedup.  Of course, I think that was
> really early on, where we hadn't gotten to a self compile, so I was
> measuring different SML/NJ G0's MLtons.  I'll give some thought to
> that later on.

Great.  Thanks.  I would definitely expect to see even more
improvement with a switch to arrays and mutation, if you don't depend
on the maps being functional.


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