[Cython] 0.16 release

Stefan Behnel stefan_ml at behnel.de
Wed Jan 25 13:00:46 CET 2012


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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