Amaury Forgeot d'Arc, 18.02.2012 15:41:
> 2012/2/18 Stefan Behnel
>> Here's an example.
>>
>> Python code:
>>
>> def print_excinfo():
>> print(sys.exc_info())
>>
>> Cython code:
>>
>> from stuff import print_excinfo
>>
>> try:
>> raise TypeError
>> except TypeError:
>> print_exci
Hi,
On Sun, Feb 26, 2012 at 12:31, Stefan Behnel wrote:
> Interesting. Given PyPy's reputation of taking tons of resources to build,
> I assume you apply WPA to the sources in order to map them to C?
Yes. Please read more about it starting for example from here:
http://doc.pypy.org/en/late
Hi Armin,
Armin Rigo, 26.02.2012 11:09:
> On Sun, Feb 26, 2012 at 09:50, Stefan Behnel wrote:
>> Looking at Py_DecRef(), however, left me somewhat baffled. I would have
>> expected this to be the most intensively tuned function in all of cpyext,
>> but it even started with this comment: (...)
>
>
Hi Stefan,
On Sun, Feb 26, 2012 at 09:50, Stefan Behnel wrote:
> Looking at Py_DecRef(), however, left me somewhat baffled. I would have
> expected this to be the most intensively tuned function in all of cpyext,
> but it even started with this comment: (...)
Indeed, it's an obvious starting pla
Stefan Behnel, 26.02.2012 09:50:
> when I took a look at object.h and saw that the Py_DECREF() macro *always*
> calls into it. Another surprise.
>
> I had understood in previous discussions that the refcount emulation in
> cpyext only counts C references, which I consider a suitable design. (I
> g
Hi,
having rewritten Cython's dict iteration to use normal iteration, I ran a
little benchmark for comparison and it turned out to be (algorithmically)
faster by more than an order of magnitude for a dict with 1000 items.
That's pretty decent, although it's still about 100x slower than in
CPython.
