[Cython] Cython 0.11 beta

[Michael Abshoff]

Dag Sverre Seljebotn wrote:
> Michael Abshoff wrote:
>> Dag Sverre Seljebotn wrote:
>>> Stefan Behnel wrote:
>>>> Robert Bradshaw wrote:
>> <SNIP>

Hi Dag,

>>> Sage passes doctests: Does that include detecting any leaks? The 
>>> refnanny is not yet working, so I'd be wary of releasing until that is 
>>> done unless we know that Sage doesn't leak more when Cython is upgraded.
>> I don't think Robert did any testing, but I can do some valgrinding with 
>> the upcoming 3.3.alpha3 with the old and the new 0.11 snapshot to see if 
>> anything pops up. It will be a day or two until I have results.
>>
> 
> My refcount nanny now seems to be in a state where it doesn't crash 
> things (though there are spurious reports still from not following the 
> refnanny convention), and I've discovered at least one genuine leak so 
> far in the cython test suite.

Excuse my ignorance, but how do I turn on the refnanny in all the code? 
I do not recall that being documented anywhere? I guess the best place 
might be the wiki for that. Did anybody fix that leak you mentioned above?

> So in the event that you get lots of leaks, waiting for that to mature 
> may be a better angle.


I have been distracted by other things, but I am about to start the 
valgrind run with the 0.10.3 to establish a baseline. This will take 
about 6 hours clock time if I use 12 to 18 CPUs at the same time. Once 
that is finished I will switch to the new Cython. I could also use 
another machine to do the second run in parallel, but some other users 
of the new Sage hardware might be less than happy about that :)

Cheers,

Michael