Sorry, for the typo - I was asking if it is possible to build pypy
*with* different interpreters instead of just cpython and pypy.
(using eg "ipy64" instead of "pypy" or "python" in the translation step
described at
http://doc.pypy.org/en/latest/build.html#run-the-translation )
Am 08.09.2016 um 14:07 schrieb William ML Leslie:
On 8 September 2016 at 19:40, Jan Brohl <janbr...@t-online.de
<mailto:janbr...@t-online.de>>wrote:
Is it possible to build different interpreters like Stackless,
IronPython or Jython?
That was actually the original motivation for creating pypy -
maintaining all those different python implementations was a lot of
unnecessary work. Stackless support is enabled by default. Support
for translating to CLI and the JVM was eventually dropped for lack of
interest. If someone wanted to re-add that support, they could learn
from the mistakes that the previous implementation used.
http://doc.pypy.org/en/latest/stackless.html
If not - why?
If yes - is it (in theory) possible to gain a speedup on those
without GIL? (Is there multithreading at all the in translation
process?)
Translation can't be done concurrently at the moment. I probably
should have expanded upon this in my previous email, and maybe I will;
there are a number of global structures, registries, and work lists that
would need to be refactored before the translation work could be
distributed. If that's the route the pypy team go, we will consider it
after pypy itself supports parallelism.
There's another route, which is to support separate compilation, and
then to hand off the translation of built-in modules to different
executors. This is itself quite a bit of work due to some inherent
properties of rpython.
--
William Leslie
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