Hi,
On Fri, Jun 22, 2012 at 6:05 PM, Benjamin Root wrote:
>
>
> On Fri, Jun 22, 2012 at 10:25 AM, Travis Oliphant wrote:
>
>> Accessing individual elements of NumPy arrays is slower than accessing
>> individual elements of lists --- around 2.5x-3x slower.NumPy has to do
>> more work to figur
>
>
> -Travis
>
>
> However, what is the timing/memory cost of converting a large numpy array
> that already exists into python list of lists? If all my processing before
> the munkres step is using NumPy, converting it into python lists has a cost.
> Also, your timings indicate only ~2x s
On Fri, Jun 22, 2012 at 10:25 AM, Travis Oliphant wrote:
> Accessing individual elements of NumPy arrays is slower than accessing
> individual elements of lists --- around 2.5x-3x slower.NumPy has to do
> more work to figure out what kind of indexing you are trying to do because
> of its flexi
Accessing individual elements of NumPy arrays is slower than accessing
individual elements of lists --- around 2.5x-3x slower.NumPy has to do more
work to figure out what kind of indexing you are trying to do because of its
flexibility. It also has to create the Python object to return.
On Fri, Jun 22, 2012 at 9:42 AM, eat wrote:
> Hi,
>
> On Fri, Jun 22, 2012 at 7:51 AM, Gael Varoquaux <
> gael.varoqu...@normalesup.org> wrote:
>
>> On Thu, Jun 21, 2012 at 08:59:09PM -0400, Benjamin Root wrote:
>> > > munkres seems to be a pure python implementation ;-).
>>
>> > Oops!
On Thu, Jun 21, 2012 at 08:59:09PM -0400, Benjamin Root wrote:
> > munkres seems to be a pure python implementation ;-).
> Oops! I could have sworn that I once tried one named munkres that used
> numpy. But that was several years ago.
>There is a development branch of sk-learn
On Thursday, June 21, 2012, Robert Kern wrote:
> On Thu, Jun 21, 2012 at 7:33 PM, eat >
> wrote:
> > Heh,
> >
> > On Thu, Jun 21, 2012 at 6:03 PM, Robert Kern
> > >
> wrote:
> >>
> >> On Thu, Jun 21, 2012 at 3:59 PM, bob tnur
> >> >
> wrote:
> >> > Hi all numpy fun;)
> >> > This question is alre
On Thu, Jun 21, 2012 at 7:33 PM, eat wrote:
> Heh,
>
> On Thu, Jun 21, 2012 at 6:03 PM, Robert Kern wrote:
>>
>> On Thu, Jun 21, 2012 at 3:59 PM, bob tnur wrote:
>> > Hi all numpy fun;)
>> > This question is already posted in stackoverflow by some people, I am
>> > just
>> > thinking that numpy
Heh,
On Thu, Jun 21, 2012 at 6:03 PM, Robert Kern wrote:
> On Thu, Jun 21, 2012 at 3:59 PM, bob tnur wrote:
> > Hi all numpy fun;)
> > This question is already posted in stackoverflow by some people, I am
> just
> > thinking that numpy python will do this with trick;) I guess numpy will
> be
>
On Thu, Jun 21, 2012 at 3:59 PM, bob tnur wrote:
> Hi all numpy fun;)
> This question is already posted in stackoverflow by some people, I am just
> thinking that numpy python will do this with trick;) I guess numpy will be
> every ones choice as its popularity increases. The question is herein:
>
Hi all numpy fun;)
This question is already posted in stackoverflow by some people, I am just
thinking that numpy python will do this with trick;) I guess numpy will be
every ones choice as its popularity increases. The question is herein:
http://stackoverflow.com/questions/10074270/how-can-i-find-
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