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Wed Jul 14 22:01:15 CEST 2010 · https://mail.python.org/pipermail/python-dev/2010-July/101945.html

On Wed, 14 Jul 2010 12:33:55 -0700
Brett Cannon <brett at python.org> wrote:
> 
> So I started writing benchmark code in anticipation of needing to prove a
> minimal performance difference to justify bootstrapping importlib. Right now
> it only compares importing from sys.modules and built-in modules. You can
> run it with ``./python.exe -m importlib.test.benchmark``. If you add a `-b`
> option that will use the built-in __import__ implementation.

In what unit are the numbers?

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

Regards

Antoine.

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[Python-Dev] importlib