[Insight-users] ITK.. parallel processing?

[Steve M. Robbins]

Hi Luis,

This topic is timely for me, since I've been asked to look
into "scalability" of ITK (and of VTK).

On Thu, May 17, 2007 at 10:28:53AM -0400, Luis Ibanez wrote:

> Or are those machines multiprocessors, or multi-cores
> and you were looking into taking advantage of the
> multiple processors ?
> 
> BTW: What type of image registration are you interested in ?

We'd be using a single machine with multiple CPUs or multiple cores.
Is this detected automatically or do we need to specifically tell ITK
how many CPUs/cores to use?

My hazy recollection is that some filters take advantage of multiple
threads and some do not.  How do we tell which can take advantage?

Can one say, generally, what kinds of problems benefit from multiple
threads?  Is a rigid registration problem one of them?

Thanks for any insight into this,
-Steve
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