On 5 April 2011 18:32, Dag Sverre Seljebotn wrote:
> On 04/05/2011 05:26 PM, Robert Bradshaw wrote:
>>
>> On Tue, Apr 5, 2011 at 8:02 AM, Dag Sverre Seljebotn
>> wrote:
>>>
>>> On 04/05/2011 04:58 PM, Dag Sverre Seljebotn wrote:
On 04/05/2011 04:53 PM, Robert Bradshaw wrote:
>
On 04/05/2011 05:26 PM, Robert Bradshaw wrote:
On Tue, Apr 5, 2011 at 8:02 AM, Dag Sverre Seljebotn
wrote:
On 04/05/2011 04:58 PM, Dag Sverre Seljebotn wrote:
On 04/05/2011 04:53 PM, Robert Bradshaw wrote:
On Tue, Apr 5, 2011 at 3:51 AM, Stefan Behnel
wrote:
mark florisson, 04.04.2011 21:
On Tue, Apr 5, 2011 at 8:02 AM, Dag Sverre Seljebotn
wrote:
> On 04/05/2011 04:58 PM, Dag Sverre Seljebotn wrote:
>>
>> On 04/05/2011 04:53 PM, Robert Bradshaw wrote:
>>>
>>> On Tue, Apr 5, 2011 at 3:51 AM, Stefan Behnel
>>> wrote:
mark florisson, 04.04.2011 21:26:
>
> For clari
On Tue, Apr 5, 2011 at 5:55 AM, Pauli Virtanen wrote:
> Mon, 04 Apr 2011 21:26:34 +0200, mark florisson wrote:
> [clip]
>> For clarity, I'll add an example:
> [clip]
>
> How about making all the special declarations explicit? The automatic
> inference of variables has a problem in that a small cha
On 04/05/2011 04:58 PM, Dag Sverre Seljebotn wrote:
On 04/05/2011 04:53 PM, Robert Bradshaw wrote:
On Tue, Apr 5, 2011 at 3:51 AM, Stefan Behnel
wrote:
mark florisson, 04.04.2011 21:26:
For clarity, I'll add an example:
def f(np.ndarray[double] x, double alpha):
cdef double s = 0
c
On Tue, Apr 5, 2011 at 4:52 AM, mark florisson
wrote:
> On 5 April 2011 12:51, Stefan Behnel wrote:
>> mark florisson, 04.04.2011 21:26:
>>>
>>> For clarity, I'll add an example:
>>>
>>> def f(np.ndarray[double] x, double alpha):
>>> cdef double s = 0
>>> cdef double tmp = 2
>>> cdef
On 04/05/2011 04:53 PM, Robert Bradshaw wrote:
On Tue, Apr 5, 2011 at 3:51 AM, Stefan Behnel wrote:
mark florisson, 04.04.2011 21:26:
For clarity, I'll add an example:
def f(np.ndarray[double] x, double alpha):
cdef double s = 0
cdef double tmp = 2
cdef double other = 6.6
On Tue, Apr 5, 2011 at 3:51 AM, Stefan Behnel wrote:
> mark florisson, 04.04.2011 21:26:
>>
>> For clarity, I'll add an example:
>>
>> def f(np.ndarray[double] x, double alpha):
>> cdef double s = 0
>> cdef double tmp = 2
>> cdef double other = 6.6
>>
>> with nogil:
>> for
On 5 April 2011 15:10, Pauli Virtanen wrote:
> Tue, 05 Apr 2011 12:55:36 +, Pauli Virtanen wrote:
> [clip]
>> # Assignment to non-private variables causes a compile-time
>> # error; this avoids common mistakes, such as forgetting to
>> # declare the reductio
On 5 April 2011 14:55, Pauli Virtanen wrote:
>
> Mon, 04 Apr 2011 21:26:34 +0200, mark florisson wrote:
> [clip]
> > For clarity, I'll add an example:
> [clip]
>
> How about making all the special declarations explicit? The automatic
> inference of variables has a problem in that a small change in
Tue, 05 Apr 2011 12:55:36 +, Pauli Virtanen wrote:
[clip]
> # Assignment to non-private variables causes a compile-time
> # error; this avoids common mistakes, such as forgetting to
> # declare the reduction variable.
> alpha += 42
> a
Mon, 04 Apr 2011 21:26:34 +0200, mark florisson wrote:
[clip]
> For clarity, I'll add an example:
[clip]
How about making all the special declarations explicit? The automatic
inference of variables has a problem in that a small change in a part of
the code can have somewhat unintuitive non-local
On 5 April 2011 12:51, Stefan Behnel wrote:
> mark florisson, 04.04.2011 21:26:
>>
>> For clarity, I'll add an example:
>>
>> def f(np.ndarray[double] x, double alpha):
>> cdef double s = 0
>> cdef double tmp = 2
>> cdef double other = 6.6
>>
>> with nogil:
>> for i in pran
mark florisson, 04.04.2011 21:26:
For clarity, I'll add an example:
def f(np.ndarray[double] x, double alpha):
cdef double s = 0
cdef double tmp = 2
cdef double other = 6.6
with nogil:
for i in prange(x.shape[0]):
# reading 'tmp' makes it firstprivate i
On 04/05/2011 07:05 AM, Robert Bradshaw wrote:
On Mon, Apr 4, 2011 at 6:04 AM, Stefan Behnel wrote:
Dag Sverre Seljebotn, 04.04.2011 13:53:
On 04/04/2011 01:23 PM, Stefan Behnel wrote:
Dag Sverre Seljebotn, 04.04.2011 12:17:
CEP up at http://wiki.cython.org/enhancements/prange
"""
Variable
On Mon, Apr 4, 2011 at 6:04 AM, Stefan Behnel wrote:
> Dag Sverre Seljebotn, 04.04.2011 13:53:
>>
>> On 04/04/2011 01:23 PM, Stefan Behnel wrote:
>>>
>>> Dag Sverre Seljebotn, 04.04.2011 12:17:
CEP up at http://wiki.cython.org/enhancements/prange
>>>
>>> """
>>> Variable handling
>>>
>>>
Nathaniel Smith wrote:
Surely it should be 'pfor i in range(...)'.
Or 'pfhor', just to let you know it's really something out of
this world.
http://marathongame.wikia.com/wiki/Pfhor_%28Race%29
--
Greg
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On 04/04/2011 09:26 PM, mark florisson wrote:
On 4 April 2011 19:18, Dag Sverre Seljebotn wrote:
On 04/04/2011 05:22 PM, mark florisson wrote:
On 4 April 2011 13:53, Dag Sverre Seljebotn
wrote:
On 04/04/2011 01:23 PM, Stefan Behnel wrote:
Dag Sverre Seljebotn, 04.04.2011 12:17:
CEP up at
On 4 April 2011 19:18, Dag Sverre Seljebotn wrote:
> On 04/04/2011 05:22 PM, mark florisson wrote:
>>
>> On 4 April 2011 13:53, Dag Sverre Seljebotn
>> wrote:
>>>
>>> On 04/04/2011 01:23 PM, Stefan Behnel wrote:
Dag Sverre Seljebotn, 04.04.2011 12:17:
>
> CEP up at http://wiki.c
On 04/04/2011 05:22 PM, mark florisson wrote:
On 4 April 2011 13:53, Dag Sverre Seljebotn wrote:
On 04/04/2011 01:23 PM, Stefan Behnel wrote:
Dag Sverre Seljebotn, 04.04.2011 12:17:
CEP up at http://wiki.cython.org/enhancements/prange
"""
Variable handling
Rather than explicit declaration o
On 04/04/2011 03:04 PM, Stefan Behnel wrote:
That's what I thought, yes. It looks unexpected, sure. That's the
clear advantage of using inner functions, which do not add anything
new at all. But if we want to add something that looks more like a
loop, we should at least make it behave like so
On 4 April 2011 13:53, Dag Sverre Seljebotn wrote:
> On 04/04/2011 01:23 PM, Stefan Behnel wrote:
>>
>> Dag Sverre Seljebotn, 04.04.2011 12:17:
>>>
>>> CEP up at http://wiki.cython.org/enhancements/prange
>>
>> """
>> Variable handling
>>
>> Rather than explicit declaration of shared/private varia
On 04/04/2011 03:27 PM, Nathaniel Smith wrote:
On Mon, Apr 4, 2011 at 3:17 AM, Dag Sverre Seljebotn
wrote:
* A simple and friendly solution that covers, perhaps, 80% of the cases,
based on simply replacing range with prange.
This is a "merely" aesthetic objection, while remaining agnostic o
Den 04.04.2011 15:04, skrev Stefan Behnel:
What I would like to avoid is having to tell users "and now for
something completely different". It looks like a loop, but then
there's a whole page of new semantics for it. And this also cannot be
used in plain Python code due to the differing scopi
On 04/04/2011 03:04 PM, Stefan Behnel wrote:
Dag Sverre Seljebotn, 04.04.2011 13:53:
On 04/04/2011 01:23 PM, Stefan Behnel wrote:
Dag Sverre Seljebotn, 04.04.2011 12:17:
CEP up at http://wiki.cython.org/enhancements/prange
"""
Variable handling
Rather than explicit declaration of shared/pri
On Mon, Apr 4, 2011 at 3:17 AM, Dag Sverre Seljebotn
wrote:
> * A simple and friendly solution that covers, perhaps, 80% of the cases,
> based on simply replacing range with prange.
This is a "merely" aesthetic objection, while remaining agnostic on
the larger discussion, but -- 'for i in prange
Dag Sverre Seljebotn, 04.04.2011 13:53:
On 04/04/2011 01:23 PM, Stefan Behnel wrote:
Dag Sverre Seljebotn, 04.04.2011 12:17:
CEP up at http://wiki.cython.org/enhancements/prange
"""
Variable handling
Rather than explicit declaration of shared/private variables we rely on
conventions:
* Thre
On 04/04/2011 01:23 PM, Stefan Behnel wrote:
Dag Sverre Seljebotn, 04.04.2011 12:17:
CEP up at http://wiki.cython.org/enhancements/prange
"""
Variable handling
Rather than explicit declaration of shared/private variables we rely
on conventions:
* Thread-shared: Variables that are only
Dag Sverre Seljebotn, 04.04.2011 12:17:
CEP up at http://wiki.cython.org/enhancements/prange
"""
Variable handling
Rather than explicit declaration of shared/private variables we rely on
conventions:
* Thread-shared: Variables that are only read and not written in the
loop body are sha
On 04/04/2011 11:43 AM, Dag Sverre Seljebotn wrote:
CEP up at http://wiki.cython.org/enhancements/prange
"""
This spec is the result of a number of discussions at Cython workshop
1. Quite a few different ways of expressing parallelism was looked at,
and finally we decided to split the problem
CEP up at http://wiki.cython.org/enhancements/prange
"""
This spec is the result of a number of discussions at Cython workshop 1.
Quite a few different ways of expressing parallelism was looked at, and
finally we decided to split the problem in two:
* A simple and friendly solution that cove
CEP up at http://wiki.cython.org/enhancements/prange
"""
This spec is the result of a number of discussions at Cython workshop 1.
Quite a few different ways of expressing parallelism was looked at, and
finally we decided to split the problem in two:
* A simple and friendly solution that cove
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