[SciPy-Dev] update on 0.11.0 status

Ralf Gommers ralf.gommers@googlemail....
Sun Jul 15 09:57:02 CDT 2012


On Wed, Jul 11, 2012 at 11:45 PM, Ralf Gommers
<ralf.gommers@googlemail.com>wrote:

>
>
> On Tue, Jul 10, 2012 at 11:33 PM, Jake Vanderplas <
> vanderplas@astro.washington.edu> wrote:
>
>>  Ralf,
>> I tried running valgrind on the offending code.  I don't see anything out
>> of the ordinary come up on my system (for reference, the scikit-learn
>> developer documentation has some tips on using valgrind for cython code
>> [1]).  This makes me suspect that the error you're seeing may be a
>> system-specific issue (i.e. 32 bit/64 bit mismatch), or perhaps something
>> related to the numpy version (I'm using the current numpy 1.8.0-dev).
>>
>> Could you run valgrind on your system with test_shortest_path.py and see
>> if anything obvious comes up?
>>
>
> It's clean, some noise related to Python itself but nothing related to
> csgraph.
>
> This was 32-bit python 2.6, numpy 1.8-dev by the way. I haven't yet
> checked if I get the same when running in 64-bit mode on the same machine
> yet.
>

Found the issue (use of an array created with np.empty), see
http://projects.scipy.org/scipy/ticket/1701.

Ralf
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