On Feb 14, 2010, at 10:16 PM, Dave Angel wrote:

> There are three different limits at play here.  Since you're still not saying 
> how you're "measuring" usage, we've all been guessing just which one you're 
> hitting.  There's physical RAM, virtual address space, and swappable space 
> (swapfile on disk).  Each reaches some limit in different ways.
> 
> And there are probably a dozen different ways to measure "memory use,"  that 
> get a dozen different answers.  If you say which one you're using, that gives 
> "exactly 2.2 GB,"  maybe someone will be familiar with that particular 
> approach, and its meaning.

I ran into the same problem on Mac OS X and investigated it. My problem was 
that the program reached a memory error
after using 2.2GB of memory. Now what caused it specifically I am less sure of, 
but switching to a 64bit python on 
a 64bit OS (snow leopard) means that I now frequently move past this boundary 
(when I have enough memory of course :)

Tommy
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