[Insight-users] Speeding up the evaluation of the itk::Gaussian?

[motes motes]

I don't think I have something called "Release" (nothing in the Debug,
Build or Tools menu). Maybe its only available in the Team Suite
version of VS?



On Wed, Sep 9, 2009 at 10:53 AM, Dan Mueller<dan.muel at gmail.com> wrote:
> Hi,
>
> In Visual Studio you must select "Release" from the drop down box on
> the toolbar to perform an optimized compilation. Using a "Release"
> build can improve performance 10-200%.
>
> Hope this helps.
>
> Regards, Dan
>
> 2009/9/9 motes motes <mort.motes at gmail.com>:
>> I am running Vista 64, Visual Studio 2008. I am not sure what you mean
>> with BUILD_TYPE. I have just used the cmake installer when installing
>> ITK but without the examples and testing modules.
>>
>>
>>
>> On Wed, Sep 9, 2009 at 2:46 AM, Bill Lorensen<bill.lorensen at gmail.com> wrote:
>>> What platform are you running on? What compiler? What BUILD_TYPE?
>>>
>>> On Tue, Sep 8, 2009 at 7:53 PM, motes motes<mort.motes at gmail.com> wrote:
>>>> In a loop that iterates a 128*128 image I am currently using a 2D itk::Gaussian:
>>>>
>>>>
>>>> #include "itkGaussianSpatialObject.h"
>>>> ....
>>>>
>>>>  ti.GoToBegin();
>>>>
>>>>  while(!ti.IsAtEnd())  {
>>>>
>>>>      .....
>>>>      InputPointType translated = tmp + (location-point);
>>>>      double value;
>>>>      m_Gaussian->ValueAt(translated, value);
>>>>      ....
>>>>
>>>> }
>>>>
>>>> but it totally kills the performance (without the gaussian call it
>>>> takes seconds and with the gaussian call it takes minutes!). Is there
>>>> someway to speed up the evaluation of the 2D  itk::Gaussian ?
>