dual CPU-mode in python

Steve Holden steve at holdenweb.com
Sun Mar 5 17:54:03 CET 2006

Astan Chee wrote:
> Hi,
> I have a python script which i convert to an executeable (using py2exe) 
> and on a dual-cpu machine seems to be taking only 50% (1cpu) only. I was 
> wondering if there is a way to maximize CPU usage without forking the 
> function?
> Thanks

Python has a global interpreter lock (GIL) that inhibits parallelism. 
Certain extensions will clear the lock, but generally speaking you will 
need to generate multiple processes to take full advantage of parallel 

Steve Holden       +44 150 684 7255  +1 800 494 3119
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