Why shouldn't I use PyPy over CPython if PyPy is 6.3 times faster?

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Music by Eric Matyas
https://www.soundimage.org
Track title: Quiet Intelligence

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Chapters
00:00 Question
00:55 Accepted answer (Score 714)
02:43 Answer 2 (Score 113)
03:50 Answer 3 (Score 88)
04:22 Answer 4 (Score 40)
05:43 Thank you

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Full question
https://stackoverflow.com/questions/1894...

Question links:
[PyPy]: http://en.wikipedia.org/wiki/PyPy
[CPython]: http://en.wikipedia.org/wiki/CPython
[their site]: http://speed.pypy.org
[Global Interpreter Lock]: http://en.wikipedia.org/wiki/Global_Inte...
[can give GIL-less Python]: http://pypy.org/tmdonate.html

Accepted answer links:
[the list of supported packages]: http://packages.pypy.org
[PyPy3 2.3.1 - Fulcrum is out]: http://morepypy.blogspot.co.uk/2014/06/p...

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Tags
#python #performance #jit #pypy #cpython

#avk47