>> >> But I imagine if we were to remove all __slots__ definitions in the >> core, that things would be much slower. >>
It looks like it. __slots lookup is faster than __dict__ lookup in CPython and according to the mailing list of cpython it is an implementation deficiency. However it has no effect on pypy (interesting discussion about their implementation): http://morepypy.blogspot.fr/2010/11/efficiently-implementing-python-objects.html -- You received this message because you are subscribed to the Google Groups "sympy" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/sympy?hl=en.
