[Insight-users] MinGW and multithreading in ITK

[Bill Lorensen]

This restriction on mingw can be removed. After the pending 3.16
release I will do so. In the meantime, please feel free to remove the
mingw #if's. Please let us know if you see any problems.

Bill

On Tue, Sep 15, 2009 at 6:26 PM, lars-friedrich <lars-friedrich at gmx.net> wrote:
>
> Hello,
>
> in the following pre-processor-section situated in
> Code/Common/itkMultiThreader.h
>
> // mingw threads cause crashes  so limit to 1
> #if defined(__MINGW32__)
> #undef ITK_MAX_THREADS
> #define ITK_MAX_THREADS 1
> #endif
>
> the maximum number of threads is limited to 1 when using MinGW as
> alternative open source compiler under microsoft OS.
>
> Did someone ever play around with this setting, e.g. increasing it to 128
> (as in most of the other compiler-cases)? Do the supposed crashes occur in
> any case or only when using specific parts of ITK? Or do the crashes somehow
> correlate with specific windows OS versions  (NT / 2000 / XP / 2003 / Vista)
> or specific GCC / MinGW versions?
>
> It would be very helpful if some experienced users / developers could give a
> few hints and/or comments on this topic. Most of the computers today are
> multi-core and, therefore, ITK-MinGW-users should also be able to make use
> of this parallelism ...
>
> Thank you.
>
> Regards,
>
> lars
>
>
> --
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>
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