python threads and the linuxthread pthread library

[- c o v e n t r y -]

I, too, am greatly interested in this - multithreaded python 
applications do not perform as well as I expected, so an 
explaination/pointers would help greatly.

-c

anton wilson wrote:

> 
> I've been attempting to understand how python threads will interact with my 
> Linux system (mainly the linuxthread library and the scheduler). I've 
> concluded that the python interpreter's context switching every 10 byte-codes 
> will rely on the Linux scheduler to somehow switch between threads after one 
> thread releases the global interpreter lock. However, I am a bit confused on 
> how threads interact with the python interpreter at a low level. Is the 
> Python Virtual Machine it's own thread? How do threads aquire the global 
> interpreter lock once they are awoken? How exactly do the byte-codes for a 
> particular thread get run by the Python interpreter? Does each thread run the 
> interpreter?
> 
> If anyone has any explanations, links, or pointers please let me know.
> 
> Thanks,
> 
> Anton Wilson
> 
> 
> 
> 
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