2012/1/3 Gael Varoquaux <[email protected]>:
> On Tue, Jan 03, 2012 at 09:52:28AM +0100, Peter Prettenhofer wrote:
>> I just checked DecisionTreeClassifier - it basically requires the same
>> amout of memory for its internal data structures (= `X_sorted` which
>> is also 60.000 x 786 x 4 bytes).
>
> Would it be an option to allow sorting in place to avoid the memory copy?

Personally, I wouldn't want to do it but other people might have a
different opinion?

best,
 peter

> It would be the pattern 'copy=False' that we have in a few places in the
> scikit.
>
> Gael
>
> ------------------------------------------------------------------------------
> Write once. Port to many.
> Get the SDK and tools to simplify cross-platform app development. Create
> new or port existing apps to sell to consumers worldwide. Explore the
> Intel AppUpSM program developer opportunity. appdeveloper.intel.com/join
> http://p.sf.net/sfu/intel-appdev
> _______________________________________________
> Scikit-learn-general mailing list
> [email protected]
> https://lists.sourceforge.net/lists/listinfo/scikit-learn-general



-- 
Peter Prettenhofer

------------------------------------------------------------------------------
Write once. Port to many.
Get the SDK and tools to simplify cross-platform app development. Create 
new or port existing apps to sell to consumers worldwide. Explore the 
Intel AppUpSM program developer opportunity. appdeveloper.intel.com/join
http://p.sf.net/sfu/intel-appdev
_______________________________________________
Scikit-learn-general mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/scikit-learn-general

Reply via email to