[Insight-users] Multi threading in ITK

[Bill Lorensen]

The environment variable ITK_GLOBAL_DEFAULT_NUMBER_OF_THREADS should
do the trick.

On Thu, Dec 3, 2009 at 12:15 PM, Luke Bloy <luke.bloy at gmail.com> wrote:
> Hi,
>
> I'm wondering how ITK determines the maximal number of threads to allow for
> a single process. I've looked at itk::MultiThreader some, what I'm curious
> of is what occurs without calls to SetGlobalMaximumNumberOfThreads
> <http://www.itk.org/Doxygen/html/classitk_1_1MultiThreader.html#e597329907f38948e0d31bcf31fc6ba3>
> (int val) or SetGlobalDefaultNumberOfThreads
> <http://www.itk.org/Doxygen/html/classitk_1_1MultiThreader.html#de079d8e1c3581dc2ae5353aae5577a0>
> (int val).
>
>
> I have a multiuser linux environment and would like to have some control
> over the default number of threads per process that itk makes at a system
> level. Id rather not have the process call SetGlobalMaximumNumberOfThreads
> <http://www.itk.org/Doxygen/html/classitk_1_1MultiThreader.html#e597329907f38948e0d31bcf31fc6ba3>
> themselves, so i was wondering if there was an environment variable or some
> other way to set this.
>
> Thanks.
> Luke
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