On Mon, Feb 6, 2012 at 1:17 AM, Wes McKinney wrote:
>
> Whenever I get motivated enough I'm going to make a pull request on
> NumPy with something like khash.h and start fixing all the O(N log N)
> algorithms floating around that ought to be O(N). NumPy should really
> have a "match" function sim
David: from 9-10 minutes to about 2-3 seconds, it's amazing!
Thanks,
Naresh
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On Sun, Feb 5, 2012 at 7:02 PM, David Verelst wrote:
> Just out of curiosity, what speed-up factor did you achieve?
>
> Regards,
> David
>
> On 04/02/12 22:20, Naresh wrote:
>> Warren Weckesser enthought.com> writes:
>>
>>>
>>> On Sat, Feb 4, 2012 at 2:35 PM, Benjamin Root ou.edu> wrote:
>>>
>
Just out of curiosity, what speed-up factor did you achieve?
Regards,
David
On 04/02/12 22:20, Naresh wrote:
> Warren Weckesser enthought.com> writes:
>
>>
>> On Sat, Feb 4, 2012 at 2:35 PM, Benjamin Root ou.edu> wrote:
>>
>>
>> On Saturday, February 4, 2012, Naresh Pai uark.edu> wrote:> I
Warren Weckesser enthought.com> writes:
>
>
> On Sat, Feb 4, 2012 at 2:35 PM, Benjamin Root ou.edu> wrote:
>
>
> On Saturday, February 4, 2012, Naresh Pai uark.edu> wrote:> I am
somewhat new to Python (been coding with Matlab mostly). I am trying to
>
> > simplify (and expedite) a piece
On Sat, Feb 4, 2012 at 2:35 PM, Benjamin Root wrote:
>
>
> On Saturday, February 4, 2012, Naresh Pai wrote:
> > I am somewhat new to Python (been coding with Matlab mostly). I am
> trying to
> > simplify (and expedite) a piece of code that is currently a bottleneck
> in a larger
> > code.
> > I
On Sat, 4 Feb 2012 14:35:08 -0600
Benjamin Root wrote:
>
> no.unique() can return indices and reverse indices. It would be trivial to
> histogram the reverse indices using np.histogram().
Even np.histogram(abc,unique_elem) or something like this.
Works if unique_elem is ordered.
np.histogram
On Saturday, February 4, 2012, Naresh Pai wrote:
> I am somewhat new to Python (been coding with Matlab mostly). I am trying
to
> simplify (and expedite) a piece of code that is currently a bottleneck in
a larger
> code.
> I have a large array (7000 rows x 4500 columns) titled say, abc, and I am
t
I am somewhat new to Python (been coding with Matlab mostly). I am trying
to
simplify (and expedite) a piece of code that is currently a bottleneck in a
larger
code.
I have a large array (7000 rows x 4500 columns) titled say, abc, and I am
trying
to find a fast method to count the number of instan
