[pypy-dev] Small optimization
tismer at stackless.com
Wed Oct 24 16:22:23 CEST 2007
Carl Friedrich Bolz wrote:
> Antonio Cuni wrote:
> > Jean-Paul Calderone wrote:
> >> Does this break (by ignoring) custom __add__ implementations on int
> >> subclasses?
> > uh, right! :-/
> > Well, that means that we should check for the exact classes/python type
> > instead for subclasses, but I think the optimization is still worth of.
> Isn't this the optimization that Michael already tried? See
> objspace/std/objspace.py line 65. command line option is
> I turned out to not be worth it in many cases.
But it is known as a useful special case in the CPython interpreter loop.
ciao - chris
Christian Tismer :^) <mailto:tismer at stackless.com>
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