[Python-Dev] importlib

[Antoine Pitrou]

On Wed, 14 Jul 2010 23:06:58 -0700
Brett Cannon <brett at python.org> wrote:
> >
> > In any case, here my results under a Linux system:
> >
> > $ ./python -m importlib.test.benchmark
> > sys.modules [ 323782 326183 326667 ] best is 326667
> > Built-in module [ 33600 33693 33610 ] best is 33693
> >
> > $ ./python -m importlib.test.benchmark -b
> > sys.modules [ 1297640 1315366 1292283 ] best is 1315366
> > Built-in module [ 58180 57708 58057 ] best is 58180
> 
> And this is what might make evaluating importlib tough; while the
> performance is 25% of what it is for import.c, being able to import
> over 300,000 times/second is still damn fast.

Yes, that's very encouraging.
I guess the final test would be to take something like Mercurial, and
time e.g. "hg version" both with the builtin-import, and with importlib
enabled as default import mechanism.

Regards

Antoine.