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PyPy does have a GIL: http://doc.pypy.org/en/latest/faq.html#does-pypy-have-a-gil-why http://doc.pypy.org/en/latest/faq.html#does-pypy-have-a-gil-... Jython, a

PyPy does have a GIL: http://doc.pypy.org/en/latest/faq.html#does-pypy-have-a-gil-why http://doc.pypy.org/en/latest/faq.html#does-pypy-have-a-gil-... Jython, as you state, does not: http://www.jython.org/jythonbook/en/1.0/Concurrency.html http://www.jython.org/jythonbook/en/1.0/Concurrency.html

znpy 8y ago
Jython is however stuck with Python 2.x compatibility only as far as I know (I'd be happy to be proven wrong).
- mooreds 8y ago
  Jython 3.x development is "in progress": https://wiki.python.org/jython/JythonFaq/GeneralInfo https://wiki.python.org/jython/JythonFaq/GeneralInfo Last commit was over a year ago: https://github.com/jython/jython3 https://github.com/jython/jython3