[pypy-dev] PyPy-JIT memory usage compared to CPython?

Armin Rigo arigo at tunes.org
Mon Nov 29 11:32:59 CET 2010


On Sat, Nov 27, 2010 at 12:03 AM, Andy <angelflow at yahoo.com> wrote:
> I'm particularly interested in the memory usage of PyPy-JIT vs. CPython when running Django. In general would PyPy-JIT increase or decrease memory usage?

It depends on the kind of application.  PyPy with a JIT may get to
1.5x or 2x more than CPython, but it may also be smaller than CPython
if your program contains mainly instances and you didn't feel like
carefully putting __slots__ everywhere.

A bientôt,


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