On 04/08/2013 09:59 AM, Sebastian Berg wrote:
On Mon, 2013-04-08 at 08:42 +0200, Dag Sverre Seljebotn wrote:
On 04/06/2013 04:19 PM, Nathaniel Smith wrote:
Hi all,
If you build current numpy master with
NPY_RELAXED_STRIDES_CHECKING=1 python setup.py install
then Cython code using ndarrays
On 04/06/2013 04:19 PM, Nathaniel Smith wrote:
Hi all,
If you build current numpy master with
NPY_RELAXED_STRIDES_CHECKING=1 python setup.py install
then Cython code using ndarrays starts blowing up, e.g.:
# foo.pyx
def add_one(array):
cdef double[::1] a = array
a[0] += 1.
ret
Just a heads up about this project; there's bound to be something useful
there for auto-wrapping.
http://jessevdk.github.com/cldoc/
Dag Sverre
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On 02/07/2013 06:32 PM, Stefan Behnel wrote:
Hi,
I finally found the time to refactor the analysis phase.
https://github.com/cython/cython/commit/f9c385e08401ed96b5b0afb8411480037dc772b9
The methods now return a node, which allows them to replace themselves with
a different implementation.
No
On 01/24/2013 03:13 PM, Christian Inci wrote:
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Subject: Feature Request: expand list/tuple in 'if (... in ...):' ...
expand list/tuple in 'if (... in ...):' on compile-time if the list/tuple
contains only static values.
test1: list is expanded manu
Original Message
Subject:Re: [Python-Dev] Python 3.3 vs. Python 2.7 benchmark results
(again, but this time more solid numbers)
Date: Sun, 28 Oct 2012 07:53:42 +1100
From: Tim Delaney
To: python-...@python.org
On 28 October 2012 07:40, Mark Shannon mailto:m
On 10/14/2012 03:05 PM, Stefan Behnel wrote:
mark florisson, 14.10.2012 13:59:
The problem with minivect as a package is that it caters to different
projects, which have different requirements. Cython and minivect are
quite closely coupled, and any future change, or in the future any
older versi
On 10/14/2012 12:23 PM, Stefan Behnel wrote:
Dag Sverre Seljebotn, 14.10.2012 11:03:
On 10/14/2012 10:32 AM, Stefan Behnel wrote:
Dag Sverre Seljebotn, 14.10.2012 10:18:
On 10/14/2012 08:18 AM, Stefan Behnel wrote:
mark florisson, 13.10.2012 20:30:
On 12 October 2012 20:01, Dag Sverre
On 10/14/2012 10:32 AM, Stefan Behnel wrote:
Dag Sverre Seljebotn, 14.10.2012 10:18:
On 10/14/2012 08:18 AM, Stefan Behnel wrote:
mark florisson, 13.10.2012 20:30:
On 12 October 2012 20:01, Dag Sverre Seljebotn wrote:
On 10/12/2012 05:50 PM, Robert Bradshaw wrote:
On Fri, Oct 12, 2012 at 3
On 10/14/2012 10:18 AM, Dag Sverre Seljebotn wrote:
On 10/14/2012 08:18 AM, Stefan Behnel wrote:
mark florisson, 13.10.2012 20:30:
On 12 October 2012 20:01, Dag Sverre Seljebotn wrote:
On 10/12/2012 05:50 PM, Robert Bradshaw wrote:
On Fri, Oct 12, 2012 at 3:14 AM, mark florisson wrote:
On
On 10/14/2012 08:18 AM, Stefan Behnel wrote:
mark florisson, 13.10.2012 20:30:
On 12 October 2012 20:01, Dag Sverre Seljebotn wrote:
On 10/12/2012 05:50 PM, Robert Bradshaw wrote:
On Fri, Oct 12, 2012 at 3:14 AM, mark florisson wrote:
On 12 October 2012 08:36, Stefan Behnel wrote:
mark
On 10/12/2012 05:50 PM, Robert Bradshaw wrote:
On Fri, Oct 12, 2012 at 3:14 AM, mark florisson
wrote:
On 12 October 2012 08:36, Stefan Behnel wrote:
mark florisson, 24.08.2012 20:40:
Here a pull request for element-wise array expressions for Cython:
https://github.com/cython/cython/pull/144
Saravanan Shanmugham wrote:
>I have been using CFFI for wrapping a whole bunch of C libraries and I
>can
>tell you its way easier than Cython.
>
>And a couple of clarifications of misconceptions mentioned on this
>list.
>1. It does not "require" GCC at run time. The extension can be compiled
>a
Isn't there a case for converting to/from ctypes pointers rather than capsules?
And if capsules, what would the secret word be? Hmm...
(sorry for the top post)
DS
--
Sent from my Android phone with K-9 Mail. Please excuse my brevity.
Robert Bradshaw wrote:
Given the CObject vs Capsule differ
Nathaniel Smith wrote:
>Hi Cythoneers,
>
>Ralf just proposed this pull request for numpy, to unconditionally
>install
>a warning filter to silence all "numpy.dtype size changed",
>"numpy.ufunc
>size changed" warnings that Cython likes to spit out. See the links
>below
>for details. Figured you
On 09/05/2012 02:51 AM, Robert Bradshaw wrote:
NumFOCUS has graciously offered to help Cython get non-profit US tax
status as part of their application as a part of a "Group Exception."
Basically, this gives us all the benefits of a non-profit (including
being able to receive and spend tax-favore
On 08/27/2012 08:07 PM, Robert Bradshaw wrote:
On Mon, Aug 27, 2012 at 5:47 AM, Dag Sverre Seljebotn
wrote:
On 08/27/2012 02:45 PM, Dag Sverre Seljebotn wrote:
On 08/27/2012 02:05 PM, Stefan Behnel wrote:
mark florisson, 27.08.2012 13:52:
On 27 August 2012 12:40, Stefan Behnel wrote
On 08/27/2012 02:45 PM, Dag Sverre Seljebotn wrote:
On 08/27/2012 02:05 PM, Stefan Behnel wrote:
mark florisson, 27.08.2012 13:52:
On 27 August 2012 12:40, Stefan Behnel wrote:
mark florisson, 27.08.2012 13:13:
On 27 August 2012 12:06, Stefan Behnel wrote:
My experience with lxml tells me
On 08/27/2012 02:05 PM, Stefan Behnel wrote:
mark florisson, 27.08.2012 13:52:
On 27 August 2012 12:40, Stefan Behnel wrote:
mark florisson, 27.08.2012 13:13:
On 27 August 2012 12:06, Stefan Behnel wrote:
My experience with lxml tells me that it's often better to keep things
separate but int
On 08/24/2012 08:40 PM, mark florisson wrote:
Hey,
Here a pull request for element-wise array expressions for Cython:
https://github.com/cython/cython/pull/144
It includes the IndexNode refactoring branch as well.
This has been the work this last summer for the gsoc, with great
supervision from
On 08/27/2012 11:53 AM, Dag Sverre Seljebotn wrote:
On 08/24/2012 08:40 PM, mark florisson wrote:
Hey,
Here a pull request for element-wise array expressions for Cython:
https://github.com/cython/cython/pull/144
It includes the IndexNode refactoring branch as well.
This has been the work this
I agree. Non-transitive type comparisons seems like very fishy business (it
will be *very* surprising to whoever runs across it); I think there's a strong
case for just breaking backwards compatability:
ERROR: 'char' is illegal as a buffer dtype due to being underspecified in the C
standard, pl
https://github.com/dabeaz/bitey
Dag
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If the image will always be 2D, you can add
cdef Py_ssize_t shape[2]
To your cdef class and assign self.shape to the Py_buffer. This is a bit more
efficient.
Dag
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Christian Heimes wrote:
Am 17.07.2012 22:55, schrieb Chris
On 07/17/2012 05:38 PM, Christian Heimes wrote:
Hello,
I'm the author of https://bitbucket.org/tiran/smc.freeimage , a Cython
wrapper of the FreeImage and LCMS libraries. FreeImage supports a broad
variety of image formats and pixel formats from standard RGB up to RGBAF
and complex numbers.
Now
On 07/17/2012 06:55 PM, Dag Sverre Seljebotn wrote:
On 07/17/2012 05:38 PM, Christian Heimes wrote:
Hello,
I'm the author of https://bitbucket.org/tiran/smc.freeimage , a Cython
wrapper of the FreeImage and LCMS libraries. FreeImage supports a broad
variety of image formats and pixel fo
Barry Warsaw wrote:
>So if you have code like the following:
>
>cdef class Database:
>cdef open(self, path) except +raise_py_error:
>something_that_can_throw_a_cpp_exception(path)
>
>you can write
>
>cdef int raise_py_error():
>raise Something
>
>to kind of turn a C++ exception
mark florisson wrote:
>On 5 July 2012 21:46, Dag Sverre Seljebotn
>wrote:
>>
>>
>> mark florisson wrote:
>>
>>>On 3 July 2012 20:15, Robert Bradshaw wrote:
>>>> On Tue, Jul 3, 2012 at 11:43 AM, Dag Sverre Seljebotn
>>>&
mark florisson wrote:
>On 3 July 2012 20:15, Robert Bradshaw wrote:
>> On Tue, Jul 3, 2012 at 11:43 AM, Dag Sverre Seljebotn
>> wrote:
>>> On 07/03/2012 08:23 PM, Robert Bradshaw wrote:
>>>>
>>>> On Tue, Jul 3, 2012 at 11:11 AM, Stefa
Sturla Molden wrote:
>
>
>Sendt fra min iPad
>
>Den 4. juli 2012 kl. 14:33 skrev Stefan Behnel :
>
>>>
>>> Indeed. But how to tell? malloc a small buffer and see if it works?
>>
>> In the worst case, you'd get another memory error during cleanup and
>it
>> would keep rippling up the stack.
>>
On 07/03/2012 10:39 PM, Dag Sverre Seljebotn wrote:
On 07/03/2012 09:15 PM, Robert Bradshaw wrote:
On Tue, Jul 3, 2012 at 11:43 AM, Dag Sverre Seljebotn
wrote:
On 07/03/2012 08:23 PM, Robert Bradshaw wrote:
On Tue, Jul 3, 2012 at 11:11 AM, Stefan Behnel
wrote:
Robert Bradshaw, 03.07.2012
On 07/03/2012 09:15 PM, Robert Bradshaw wrote:
On Tue, Jul 3, 2012 at 11:43 AM, Dag Sverre Seljebotn
wrote:
On 07/03/2012 08:23 PM, Robert Bradshaw wrote:
On Tue, Jul 3, 2012 at 11:11 AM, Stefan Behnel
wrote:
Robert Bradshaw, 03.07.2012 19:58:
On Tue, Jul 3, 2012 at 9:38 AM, Stefan
On 07/03/2012 08:23 PM, Robert Bradshaw wrote:
On Tue, Jul 3, 2012 at 11:11 AM, Stefan Behnel wrote:
Robert Bradshaw, 03.07.2012 19:58:
On Tue, Jul 3, 2012 at 9:38 AM, Stefan Behnel wrote:
Dag Sverre Seljebotn, 03.07.2012 18:11:
On 07/03/2012 09:14 AM, Stefan Behnel wrote:
I don't
On 07/03/2012 08:23 PM, Robert Bradshaw wrote:
On Tue, Jul 3, 2012 at 11:11 AM, Stefan Behnel wrote:
Robert Bradshaw, 03.07.2012 19:58:
On Tue, Jul 3, 2012 at 9:38 AM, Stefan Behnel wrote:
Dag Sverre Seljebotn, 03.07.2012 18:11:
On 07/03/2012 09:14 AM, Stefan Behnel wrote:
I don't
On 07/03/2012 09:14 AM, Stefan Behnel wrote:
Robert Bradshaw, 29.06.2012 11:08:
On Thu, Jun 28, 2012 at 10:45 PM, Stefan Behnel wrote:
Robert Bradshaw, 28.06.2012 21:46:
On Thu, Jun 28, 2012 at 11:38 AM, Stefan Behnel wrote:
currently, when I write "new CppClass()" in Cython, it generates a s
On 06/30/2012 01:01 PM, Dag Sverre Seljebotn wrote:
On 06/30/2012 12:57 PM, Dag Sverre Seljebotn wrote:
My time is rather limited but I'm slowly trying to get another SEP 200
in place.
Something that hit me, when I tried to make up my mind about whether to
have (key, ptr) entries or
On 06/30/2012 12:57 PM, Dag Sverre Seljebotn wrote:
My time is rather limited but I'm slowly trying to get another SEP 200
in place.
Something that hit me, when I tried to make up my mind about whether to
have (key, ptr) entries or (key, flags, ptr), is that the fast hash
table entrie
My time is rather limited but I'm slowly trying to get another SEP 200
in place.
Something that hit me, when I tried to make up my mind about whether to
have (key, ptr) entries or (key, flags, ptr), is that the fast hash
table entries can actually be arbitrary size. So we could make the table
On 06/21/2012 02:59 PM, Stefan Behnel wrote:
Dag Sverre Seljebotn, 21.06.2012 14:05:
On 06/21/2012 01:36 PM, Stefan Behnel wrote:
On 06/21/2012 10:59 AM, Stefan Behnel wrote:
I find this worth fixing for 0.17:
http://trac.cython.org/cython_trac/ticket/780
I ran into this when I gave a
On 06/21/2012 01:36 PM, Stefan Behnel wrote:
Dag Sverre Seljebotn, 21.06.2012 13:10:
On 06/21/2012 10:59 AM, Stefan Behnel wrote:
I find this worth fixing for 0.17:
http://trac.cython.org/cython_trac/ticket/780
I'm not sure about the timeline here.
The object<->memoryview semant
On 06/21/2012 10:59 AM, Stefan Behnel wrote:
Hi,
I find this worth fixing for 0.17:
http://trac.cython.org/cython_trac/ticket/780
I'm not sure about the timeline here.
The object<->memoryview semantics haven't even been hammered down yet;
does "mview.customattr" trigger an AttributeError,
On 06/12/2012 09:46 PM, Dag Sverre Seljebotn wrote:
On 06/12/2012 08:12 PM, Robert Bradshaw wrote:
On Tue, Jun 12, 2012 at 10:21 AM, Dag Sverre Seljebotn
wrote:
On 06/12/2012 01:01 PM, Dag Sverre Seljebotn wrote:
On 06/10/2012 11:53 AM, Robert Bradshaw wrote:
On Sun, Jun 10, 2012 at 1:43
On 06/12/2012 08:12 PM, Robert Bradshaw wrote:
On Tue, Jun 12, 2012 at 10:21 AM, Dag Sverre Seljebotn
wrote:
On 06/12/2012 01:01 PM, Dag Sverre Seljebotn wrote:
On 06/10/2012 11:53 AM, Robert Bradshaw wrote:
On Sun, Jun 10, 2012 at 1:43 AM, Dag Sverre Seljebotn
About signatures, a
On 06/12/2012 01:01 PM, Dag Sverre Seljebotn wrote:
On 06/10/2012 11:53 AM, Robert Bradshaw wrote:
On Sun, Jun 10, 2012 at 1:43 AM, Dag Sverre Seljebotn
About signatures, a problem I see with following the C typing is that
the
signature "ill" wouldn't hash the same as "ii
On 06/10/2012 11:53 AM, Robert Bradshaw wrote:
On Sun, Jun 10, 2012 at 1:43 AM, Dag Sverre Seljebotn
About signatures, a problem I see with following the C typing is that the
signature "ill" wouldn't hash the same as "iii" on 32-bit Windows and "iqq"
on 32
On 06/10/2012 10:23 AM, Robert Bradshaw wrote:
On Sun, Jun 10, 2012 at 1:00 AM, Dag Sverre Seljebotn
wrote:
On 06/10/2012 09:34 AM, Robert Bradshaw wrote:
On Sun, Jun 10, 2012 at 12:14 AM, Dag Sverre Seljebotn
wrote:
Robert Bradshawwrote:
On Fri, Jun 8, 2012 at 10:45 PM, Dag
Dag Sverre Seljebotn wrote:
>On 06/10/2012 09:34 AM, Robert Bradshaw wrote:
>> On Sun, Jun 10, 2012 at 12:14 AM, Dag Sverre Seljebotn
>> wrote:
>>>
>>>
>>> Robert Bradshaw wrote:
>>>
>>>> On Fri, Jun 8, 2012 at 10:45 PM, Dag Sv
On 06/10/2012 09:34 AM, Robert Bradshaw wrote:
On Sun, Jun 10, 2012 at 12:14 AM, Dag Sverre Seljebotn
wrote:
Robert Bradshaw wrote:
On Fri, Jun 8, 2012 at 10:45 PM, Dag Sverre Seljebotn
wrote:
I'd love to not do interning, but I see no way around it.
No, I want to use the low
Robert Bradshaw wrote:
>On Fri, Jun 8, 2012 at 10:45 PM, Dag Sverre Seljebotn
> wrote:
>> On 06/09/2012 03:21 AM, Robert Bradshaw wrote:
>>>
>>> On Fri, Jun 8, 2012 at 2:12 PM, Dag Sverre Seljebotn
>>>> There's still the indirection through SEP 20
On 06/09/2012 08:00 AM, Dag Sverre Seljebotn wrote:
On 06/09/2012 07:45 AM, Dag Sverre Seljebotn wrote:
On 06/09/2012 03:21 AM, Robert Bradshaw wrote:
On Fri, Jun 8, 2012 at 2:12 PM, Dag Sverre Seljebotn
There's still the indirection through SEP 200 (extensibletype slots).
We can
get r
On 06/09/2012 07:45 AM, Dag Sverre Seljebotn wrote:
On 06/09/2012 03:21 AM, Robert Bradshaw wrote:
On Fri, Jun 8, 2012 at 2:12 PM, Dag Sverre Seljebotn
There's still the indirection through SEP 200 (extensibletype slots).
We can
get rid of that very easily by just making that table an
On 06/09/2012 03:21 AM, Robert Bradshaw wrote:
On Fri, Jun 8, 2012 at 2:12 PM, Dag Sverre Seljebotn
wrote:
On 06/07/2012 12:35 PM, Dag Sverre Seljebotn wrote:
On 06/07/2012 12:20 PM, Dag Sverre Seljebotn wrote:
On 06/07/2012 12:26 AM, Robert Bradshaw wrote:
On Wed, Jun 6, 2012 at 2:36
On 06/07/2012 12:35 PM, Dag Sverre Seljebotn wrote:
On 06/07/2012 12:20 PM, Dag Sverre Seljebotn wrote:
On 06/07/2012 12:26 AM, Robert Bradshaw wrote:
On Wed, Jun 6, 2012 at 2:36 PM, Dag Sverre Seljebotn
wrote:
On 06/06/2012 11:16 PM, Robert Bradshaw wrote:
On Wed, Jun 6, 2012 at 1:57 PM
On 06/07/2012 12:20 PM, Dag Sverre Seljebotn wrote:
On 06/07/2012 12:26 AM, Robert Bradshaw wrote:
On Wed, Jun 6, 2012 at 2:36 PM, Dag Sverre Seljebotn
wrote:
On 06/06/2012 11:16 PM, Robert Bradshaw wrote:
On Wed, Jun 6, 2012 at 1:57 PM, Dag Sverre Seljebotn
wrote:
On 06/06/2012 10:41 PM
On 06/07/2012 12:45 PM, Dag Sverre Seljebotn wrote:
On 06/06/2012 11:00 PM, Robert Bradshaw wrote:
On Tue, Jun 5, 2012 at 2:41 PM, Dag Sverre Seljebotn
wrote:
Is the goal then to avoid having to have an interning registry?
Yes, and to avoid invoking an expensive hash function at runtime in
On 06/06/2012 11:00 PM, Robert Bradshaw wrote:
On Tue, Jun 5, 2012 at 2:41 PM, Dag Sverre Seljebotn
wrote:
Is the goal then to avoid having to have an interning registry?
Yes, and to avoid invoking an expensive hash function at runtime in
order to achieve good distribution.
I don&#
On 06/07/2012 12:20 PM, Dag Sverre Seljebotn wrote:
On 06/07/2012 12:26 AM, Robert Bradshaw wrote:
On Wed, Jun 6, 2012 at 2:36 PM, Dag Sverre Seljebotn
wrote:
On 06/06/2012 11:16 PM, Robert Bradshaw wrote:
On Wed, Jun 6, 2012 at 1:57 PM, Dag Sverre Seljebotn
wrote:
On 06/06/2012 10:41 PM
On 06/07/2012 12:26 AM, Robert Bradshaw wrote:
On Wed, Jun 6, 2012 at 2:36 PM, Dag Sverre Seljebotn
wrote:
On 06/06/2012 11:16 PM, Robert Bradshaw wrote:
On Wed, Jun 6, 2012 at 1:57 PM, Dag Sverre Seljebotn
wrote:
On 06/06/2012 10:41 PM, Dag Sverre Seljebotn wrote:
On 06/05/2012 12
Dag Sverre Seljebotn wrote:
>On 06/06/2012 11:16 PM, Robert Bradshaw wrote:
>> On Wed, Jun 6, 2012 at 1:57 PM, Dag Sverre Seljebotn
>> wrote:
>>> On 06/06/2012 10:41 PM, Dag Sverre Seljebotn wrote:
>>>>
>>>> On 06/05/2012 12:30 AM, Robe
On 06/06/2012 11:16 PM, Robert Bradshaw wrote:
On Wed, Jun 6, 2012 at 1:57 PM, Dag Sverre Seljebotn
wrote:
On 06/06/2012 10:41 PM, Dag Sverre Seljebotn wrote:
On 06/05/2012 12:30 AM, Robert Bradshaw wrote:
I just found http://cmph.sourceforge.net/ which looks quite
interesting. Though the
On 06/06/2012 10:41 PM, Dag Sverre Seljebotn wrote:
On 06/05/2012 12:30 AM, Robert Bradshaw wrote:
I just found http://cmph.sourceforge.net/ which looks quite
interesting. Though the resulting hash functions are supposedly cheap,
I have the feeling that branching is considered cheap in this
On 06/05/2012 12:30 AM, Robert Bradshaw wrote:
I just found http://cmph.sourceforge.net/ which looks quite
interesting. Though the resulting hash functions are supposedly cheap,
I have the feeling that branching is considered cheap in this context.
Actually, this lead was *very* promising. I be
On 06/06/2012 11:11 AM, Dag Sverre Seljebotn wrote:
Stefan Behnel wrote:
mark florisson, 05.06.2012 22:33:
It doesn't even necessarily have to be about running user code, a
user
could craft data input which causes such a situation. For instance,
let's say we have a ju
Stefan Behnel wrote:
>mark florisson, 05.06.2012 22:33:
>> It doesn't even necessarily have to be about running user code, a
>user
>> could craft data input which causes such a situation. For instance,
>> let's say we have a just-in-time specializer which specializes a
>> function for the runti
On 06/05/2012 10:50 PM, Robert Bradshaw wrote:
On Tue, Jun 5, 2012 at 1:10 PM, Dag Sverre Seljebotn
wrote:
On 06/04/2012 11:43 PM, Robert Bradshaw wrote:
On Mon, Jun 4, 2012 at 1:55 PM, Dag Sverre Seljebotn
wrote:
On 06/04/2012 09:44 PM, Dag Sverre Seljebotn wrote:
Me and Robert
On 06/04/2012 11:43 PM, Robert Bradshaw wrote:
On Mon, Jun 4, 2012 at 1:55 PM, Dag Sverre Seljebotn
wrote:
On 06/04/2012 09:44 PM, Dag Sverre Seljebotn wrote:
Me and Robert had a long discussion on the NumFOCUS list about this
already, but I figured it was better to continue it and provide
On 06/05/2012 08:02 PM, mark florisson wrote:
On 5 June 2012 18:09, Dag Sverre Seljebotn wrote:
On 06/05/2012 07:01 PM, Dag Sverre Seljebotn wrote:
On 06/05/2012 09:25 AM, Stefan Behnel wrote:
Dag Sverre Seljebotn, 04.06.2012 21:44:
This can cause crashes/stack smashes
etc. if there&#
On 06/05/2012 07:01 PM, Dag Sverre Seljebotn wrote:
On 06/05/2012 09:25 AM, Stefan Behnel wrote:
Dag Sverre Seljebotn, 04.06.2012 21:44:
This can cause crashes/stack smashes
etc. if there's lower-64bit-of-md5 collisions, but a) the
probability is incredibly small, b) it would only matt
On 06/05/2012 09:25 AM, Stefan Behnel wrote:
Dag Sverre Seljebotn, 04.06.2012 21:44:
This can cause crashes/stack smashes
etc. if there's lower-64bit-of-md5 collisions, but a) the
probability is incredibly small, b) it would only matter in
situations that should cau
On 06/05/2012 11:16 AM, Robert Bradshaw wrote:
On Tue, Jun 5, 2012 at 1:07 AM, Stefan Behnel wrote:
Dag Sverre Seljebotn, 05.06.2012 00:07:
The C FAQ says 'if you know the contents of your hash table up front you can
devise a perfect hash', but no details, probably just hand-wa
Robert Bradshaw wrote:
>On Mon, Jun 4, 2012 at 1:55 PM, Dag Sverre Seljebotn
> wrote:
>> On 06/04/2012 09:44 PM, Dag Sverre Seljebotn wrote:
>>>
>>> Me and Robert had a long discussion on the NumFOCUS list about this
>>> already, but I figured it was
On 06/04/2012 09:44 PM, Dag Sverre Seljebotn wrote:
Me and Robert had a long discussion on the NumFOCUS list about this
already, but I figured it was better to continue it and provide more
in-depth benchmark results here.
It's basically a new idea of how to provide a vtable based on pe
Me and Robert had a long discussion on the NumFOCUS list about this
already, but I figured it was better to continue it and provide more
in-depth benchmark results here.
It's basically a new idea of how to provide a vtable based on perfect
hashing, which should be a lot simpler to implement than
On 06/01/2012 03:49 PM, Dag Sverre Seljebotn wrote:
On 05/31/2012 10:13 PM, Robert Bradshaw wrote:
On Thu, May 31, 2012 at 12:29 PM, Dag Sverre Seljebotn
wrote:
On 05/31/2012 08:50 PM, Robert Bradshaw wrote:
On Thu, May 31, 2012 at 7:04 AM, Dag Sverre Seljebotn
wrote:
[Discussion on
On 05/31/2012 10:13 PM, Robert Bradshaw wrote:
On Thu, May 31, 2012 at 12:29 PM, Dag Sverre Seljebotn
wrote:
On 05/31/2012 08:50 PM, Robert Bradshaw wrote:
On Thu, May 31, 2012 at 7:04 AM, Dag Sverre Seljebotn
wrote:
[Discussion on numfo...@googlegroups.com please]
I've uploa
Forgot to CC this list...
Original Message
Subject: Re: [Cython] SEP 201 draft: Native callable objects
Date: Thu, 31 May 2012 22:06:02 +0200
From: Dag Sverre Seljebotn
Reply-To: numfo...@googlegroups.com
To: numfo...@googlegroups.com
On 05/31/2012 09:29 PM, Dag Sverre
On 05/31/2012 08:50 PM, Robert Bradshaw wrote:
On Thu, May 31, 2012 at 7:04 AM, Dag Sverre Seljebotn
wrote:
[Discussion on numfo...@googlegroups.com please]
I've uploaded a draft-state SEP 201 (previously CEP 1000):
https://github.com/numfocus/sep/blob/master/sep201.rst
""
On 05/28/2012 05:59 PM, Dag Sverre Seljebotn wrote:
Dag Sverre Seljebotn wrote:
On 05/28/2012 01:24 PM, Nathaniel Smith wrote:
On Mon, May 28, 2012 at 12:09 PM, mark florisson
wrote:
On 28 May 2012 12:01, Nathaniel Smith wrote:
On Mon, May 28, 2012 at 11:55 AM, mark florisson
[Discussion on numfo...@googlegroups.com please]
I've uploaded a draft-state SEP 201 (previously CEP 1000):
https://github.com/numfocus/sep/blob/master/sep201.rst
"""
Many callable objects are simply wrappers around native code. This holds
for any Cython function, f2py functions, manually writ
mfo...@googlegroups.com
On May 28, 2012, at 1:27 PM, Dag Sverre Seljebotn wrote:
On 05/28/2012 05:55 PM, David wrote:
On Sunday, May 27, 2012 3:05:06 AM UTC+9, Dag Sverre Seljebotn wrote:
That Other Thread contained some references to CI. So I'm mainly
wondering what the current
Dag Sverre Seljebotn wrote:
>On 05/28/2012 01:24 PM, Nathaniel Smith wrote:
>> On Mon, May 28, 2012 at 12:09 PM, mark florisson
>> wrote:
>>> On 28 May 2012 12:01, Nathaniel Smith wrote:
>>>> On Mon, May 28, 2012 at 11:55 AM, mark florisson
>
, mark florisson
wrote:
On 28 May 2012 09:54, mark florisson wrote:
On 27 May 2012 23:12, Nathaniel Smith wrote:
On Sun, May 27, 2012 at 10:24 PM, Dag Sverre Seljebotn
wrote:
On 05/18/2012 10:30 AM, Dag Sverre Seljebotn wrote:
On 05/18/2012 12:57 AM, Nick Coghlan wrote:
I think the main
On 05/18/2012 10:30 AM, Dag Sverre Seljebotn wrote:
On 05/18/2012 12:57 AM, Nick Coghlan wrote:
I think the main things we'd be looking for would be:
- a clear explanation of why a new metaclass is considered too complex a
solution
- what the implications are for classes that have nothing
On 05/22/2012 09:06 AM, Robert Bradshaw wrote:
On Mon, May 21, 2012 at 11:57 PM, Dag Sverre Seljebotn
wrote:
On 05/22/2012 08:48 AM, Robert Bradshaw wrote:
On Mon, May 21, 2012 at 11:36 PM, Dag Sverre Seljebotn
wrote:
On 05/22/2012 08:11 AM, Robert Bradshaw wrote:
On Mon, May 21
On 05/22/2012 08:57 AM, Dag Sverre Seljebotn wrote:
On 05/22/2012 08:48 AM, Robert Bradshaw wrote:
On Mon, May 21, 2012 at 11:36 PM, Dag Sverre Seljebotn
wrote:
On 05/22/2012 08:11 AM, Robert Bradshaw wrote:
On Mon, May 21, 2012 at 3:34 AM, Dag Sverre Seljebotn
wrote:
On 05/20/2012 04:03
On 05/22/2012 08:48 AM, Robert Bradshaw wrote:
On Mon, May 21, 2012 at 11:36 PM, Dag Sverre Seljebotn
wrote:
On 05/22/2012 08:11 AM, Robert Bradshaw wrote:
On Mon, May 21, 2012 at 3:34 AM, Dag Sverre Seljebotn
wrote:
On 05/20/2012 04:03 PM, mark florisson wrote:
Hey,
For my gsoc
On 05/22/2012 08:11 AM, Robert Bradshaw wrote:
On Mon, May 21, 2012 at 3:34 AM, Dag Sverre Seljebotn
wrote:
On 05/20/2012 04:03 PM, mark florisson wrote:
Hey,
For my gsoc we already have some simple initial ideas, i.e.
elementwise vector expressions (a + b with a and b arrays with
On 05/21/2012 12:56 PM, mark florisson wrote:
On 21 May 2012 11:34, Dag Sverre Seljebotn wrote:
On 05/20/2012 04:03 PM, mark florisson wrote:
Hey,
For my gsoc we already have some simple initial ideas, i.e.
elementwise vector expressions (a + b with a and b arrays with
arbitrary rank), I
On 05/20/2012 04:03 PM, mark florisson wrote:
Hey,
For my gsoc we already have some simple initial ideas, i.e.
elementwise vector expressions (a + b with a and b arrays with
arbitrary rank), I don't think these need any discussion. However,
there are a lot of things that haven't been formally di
On 05/18/2012 12:57 AM, Nick Coghlan wrote:
I think the main things we'd be looking for would be:
- a clear explanation of why a new metaclass is considered too complex a
solution
- what the implications are for classes that have nothing to do with the
SciPy/NumPy ecosystem
- how subclassing woul
I don't know where to put this so I put it up top:
I think this talk about implementing caching went a bit overboard
myself. Here's a performance ladder for you:
Alternative A) Focus on fast lookup; go from 100 ns function call to 5
ns function call
Alternative B) Focus on caching a 20 ns l
Stefan Behnel wrote:
>mark florisson, 16.05.2012 21:49:
>> On 16 May 2012 20:15, Stefan Behnel wrote:
>>> "Martin v. Löwis", 16.05.2012 20:33:
> Does this use case make sense to everyone?
>
> The reason why we are discussing this on python-dev is that we are
>looking
> for a ge
On Wed, 16 May 2012 20:49:18 +0100, mark florisson
wrote:
On 16 May 2012 20:15, Stefan Behnel wrote:
"Martin v. Löwis", 16.05.2012 20:33:
Does this use case make sense to everyone?
The reason why we are discussing this on python-dev is that we are
looking
for a general way to expose these C
On 05/14/2012 08:01 PM, Robert Bradshaw wrote:
On Mon, May 14, 2012 at 10:05 AM, Nathaniel Smith wrote:
On Mon, May 14, 2012 at 3:23 PM, Dag Sverre Seljebotn
wrote:
On 05/14/2012 01:34 PM, Stefan Behnel wrote:
Dag Sverre Seljebotn, 13.05.2012 21:37:
Anyway, thanks for the heads up, this
On 05/14/2012 01:34 PM, Stefan Behnel wrote:
Dag Sverre Seljebotn, 13.05.2012 21:37:
Anyway, thanks for the heads up, this seems to need a bit more work. Input
from somebody more familiar with this corner of the CPython API very welcome.
Wouldn't you consider python-dev an appropriate
On 05/13/2012 09:35 PM, Dag Sverre Seljebotn wrote:
On 05/12/2012 08:44 PM, Nathaniel Smith wrote:
On Fri, May 11, 2012 at 2:25 PM, Dag Sverre Seljebotn
wrote:
This comes from a refactor of the work on CEP 1000: A PEP proposal,
with a
hack for use in current Python versions and in the case of
On 05/12/2012 08:44 PM, Nathaniel Smith wrote:
On Fri, May 11, 2012 at 2:25 PM, Dag Sverre Seljebotn
wrote:
This comes from a refactor of the work on CEP 1000: A PEP proposal, with a
hack for use in current Python versions and in the case of PEP rejection,
that allows 3rd party libraries to
This comes from a refactor of the work on CEP 1000: A PEP proposal, with
a hack for use in current Python versions and in the case of PEP
rejection, that allows 3rd party libraries to agree on extensions to
PyTypeObject.
http://wiki.cython.org/enhancements/cep1001
If this makes it as a PEP, I
On 05/09/2012 09:08 PM, mark florisson wrote:
On 9 May 2012 19:56, Robert Bradshaw wrote:
On Tue, May 8, 2012 at 3:35 AM, mark florisson
wrote:
On 8 May 2012 10:47, Dag Sverre Seljebotn wrote:
After some thinking I believe I can see more clearly where Mark is coming
from. To sum up, it&#
On 05/09/2012 05:13 PM, Stefan Behnel wrote:
Dag Sverre Seljebotn, 08.05.2012 18:52:
Vitja Makarov wrote:
def partial_validity():
"""
>>> partial_validity()
('str object', 'double', 'str object')
"""
a_1
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