[Cython] Status for 0.11

[Michael Abshoff]

Robert Bradshaw wrote:
> On Feb 20, 2009, at 10:56 PM, Michael Abshoff wrote:

Hi Robert,

>>> I found and fixed two memory leaks.
>> Got a patch for me? I could still get that one into 3.3 :)
> 
> Memory leaks in Cython, not in Sage. (Actually, probably not  
> noticeable ones, one was leaking an exception, and the other was  
> "leaking" the values True and False in most cases.

Well, we had 8 byte leaks in Sage that ate up all available RAM on the 
old sage.math in about two or three days, i.e. leaking about 1 to 2 
GB/hour, so if you hit them often enough even tiny leaks have a giant 
impact. And I have some cases where I do hope that the refnanny will 
point out ref count issues and explain leaks where I have been totally 
unable to pin point a cause in Sage code itself. Getting Sage to start 
up and exit clean will be great, but the test suite will likely expose 
many more issues :)

<SNIP>

> I'm going to run it overnight. Given that Sage doesn't exit cleanly  
> (not sure what's up with that), I expect everything to fail, but  
> hopefully it'll still be useful.

Sure. I took today's cython spkg and I am valgrinding Sage with it, so 
maybe I can give you some pointer what is going wrong.

> - Robert

Cheers,

Michael

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