[Insight-users] Multi-threaded Image Registration Examples?

[Gaëtan Lehmann]

Le 23 juil. 08 à 15:31, Oleksandr Dzyubak a écrit :

> Hi Luis,
>
> I finally got money to upgrade my Linux box and soon I'll build
> a 4 CPU station with 16 GB memory.
>
> Quick question.
> For my work I mostly use smoothing/denoising, segmentation, and  
> morphology filters.
> And now I want to benefit from my new 4 CPU station.
> How can I activate the multi CPU (multi threading) support when  
> using ITK?

Just do nothing — ITK do it by default for you :-)
Some morphological filter are not multithreaded though (reconstruction  
filters for example).

Regards,

Gaëtan

>
>
> Thanks,
> Alex
>
> Luis Ibanez wrote:
>>
>> Hi Mishali,
>>
>> In order to use Multi-threading registration in ITK
>> you simply should do the following:
>>
>>
>>   0) Get the release of ITK 3.6,
>>      or a more recent CVS version.
>>
>>   1) In the CMake configuration,
>>      enable the variables
>>
>>            ITK_USE_REVIEW
>>            ITK_USE_OPTIMIZED_REGISTRATION_METHODS
>>
>>   2) build ITK
>>
>>   3) build your application.
>>
>>
>> At this point, if you use MattesMutualInformation or
>> the MeanSquares metric, they will run in multiple
>> threads.
>>
>> There is no need to change anything in the code of the examples.
>> All the examples in Insight/Examples/Registration (that use the
>> two metrics above) can be used with and without multi-threading.
>>
>>
>> Please give it a try and let us know if you encounter
>> any problems.
>>
>>
>>
>>    Thanks
>>
>>
>>       Luis
>>
>>
>> ------------------
>> Mishali Naik wrote:
>>> Hi all,
>>>         I am wondering if anyone can point me to multi-threaded  
>>> image registration examples? I looked for multi-threaded image  
>>> registration examples in the Insight package, but didn't find any  
>>> - so I am wondering if multi-threaded examples are available?  
>>> thanks a lot!!
>>> - Mishali
>>>
>>> _______________________________________________
>>> Insight-users mailing list
>>> Insight-users at itk.org
>>> http://www.itk.org/mailman/listinfo/insight-users
>>>
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>
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-- 
Gaëtan Lehmann
Biologie du Développement et de la Reproduction
INRA de Jouy-en-Josas (France)
tel: +33 1 34 65 29 66    fax: 01 34 65 29 09
http://voxel.jouy.inra.fr  http://www.mandriva.org
http://www.itk.org  http://www.clavier-dvorak.org

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