PyPy 1.0: JIT compilers for free and more

[bearophileHUGS at lycos.com]

Kay Schluehr:
> RPython is heuristically defined as a subset of Python "static enough
> to be translatable to C". So it is actually static analysis that is
> done here, not on a local scale but on a simpler sublanguage. It is
> not clear to me whether for a sufficiently annotated Py3K program the
> inequation RPython != Python still holds?

You may also take a very good look at ShedSkin, it's already able to
compile a decent part of Python, and that part is slowly growing
still.
I'd like to see a comparison of SSPython and RPython (width-wise and
running speed wise too) :-)

Bye,
bearophile