Re: [Jython-dev] funding jython development

[Albert C. <sap...@gm...>]

Thank you Frank for touching on #3! This was clarifying.

Albert

Missatge de fwi...@gm... <fwi...@gm...> del dia dl.,
11 de març 2019 a les 17:03:
>
> Thanks very much for the offer to help! Others have given great
> answers to (1) and (2), I can give a more detailed answer for (3):
>
> On Thu, Mar 7, 2019 at 6:40 AM Albert Cardona <sap...@gm...> wrote:
> > Question 3: rpython (from pypy) used to have a jvm backend in its git
> > tree. I assume jython developers have considered pursuing that route,
> > and if not, why not?
> I discussed this with the PyPy folks some years back. It's a very
> interesting prospect but it has a major stumbling block: a big
> advantage that Jython has is the ability to leverage the advances in
> the underlying JVM. It would be very difficult to utilize these
> advances in a JVM oriented PyPy because PyPy has its own technologies
> in these areas deeply baked in. To take one major example, Jython uses
> the garbage collection technologies provided by the JVM, where a JVM
> PyPy implementation would use the PyPy developed garbage collection
> mechanisms which would not be as effective as the JVM native version.
> The expense of trying to route around PyPy's technology in these areas
> was deemed to high (for these reasons I think work on the JVM PyPy has
> been stalled for a very long time).
>
> -Frank