[Insight-users] MinGW and multithreading in ITK

[lars-friedrich]

Thank you very much. I will start experiments today ...

lars


Bill Lorensen-2 wrote:
> 
> 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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