[Cython] 0.16 release

mark florisson markflorisson88 at gmail.com
Wed Jan 25 13:17:18 CET 2012


On 25 January 2012 12:00, Stefan Behnel <stefan_ml at behnel.de> wrote:
> mark florisson, 25.01.2012 11:43:
>> On 25 January 2012 01:27, Robert Bradshaw wrote:
>>> On Mon, Jan 23, 2012 at 2:27 AM, mark florisson wrote:
>>>> It's been almost three months since we talked about a 0.16 release, I
>>>> think it's quite ready. It would already be a big release, it would be
>>>> good to see how people like it, and to catch any issues etc before we
>>>> pile on more features.
>>>
>>> I would love to do a release soon. Last time this came up, I think the
>>> big issue was (compilation) performance regression. Has this been
>>> adequately addressed?
>>
>> Sort of. Basically if you don't use memoryviews it will be as fast as
>> it used to be, otherwise there is about a 3 second constant time
>> overhead (on my machine).
>>
>>> The other issue is that there are a couple of
>>> doctest failures with Sage. One source of problems is decorators due
>>> to the (ugly) disallowing of function re-declarations, I'll try look
>>> into this one. There are also a huge number of segfaults (see the
>>> bottom of https://sage.math.washington.edu:8091/hudson/view/ext-libs/job/sage-tests/lastSuccessfulBuild/artifact/log.txt
>>> ) which we need to get to the bottom of.
>>
>> Oh I see. I suppose to try it out under a debugger one would have to
>> compile the whole of sage from source?
>
> It might be easier to log into sage.math, go to the sage build directory
> that Jenkins uses and do some experiments there. It's in
>
> /levi/scratch/robertwb/hudson/sage-4.8/
>
> Stefan
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Ah, neat, thanks.


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