python performance on Solaris

John Nagle nagle at animats.com
Thu Oct 15 07:39:14 CEST 2009


inaf wrote:
> I have been following this group for quite some time and I figured
> (after searching enough on google --and on this group-- and not
> finding anything useful) I could pose this question here. Can anyone
> shed some light on python's performance on Solaris? 

    Note that multithreaded compute-bound Python programs really suck
on multiprocessors.  Adding a second CPU makes the program go slower,
due to a lame mechanism for resolving conflicts over the global interpreter
lock.

				John Nagle



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