[vtkusers] vtkMPI SetNumberOfProcesses

[Dominik Szczerba]

Seeing in your output:

vtkBin/bin]: ./TestMPIController

makes me even more confident I am right.

Dominik


On Fri, Jun 24, 2011 at 9:55 PM, Dominik Szczerba <dominik at itis.ethz.ch> wrote:
> I dont know Xcode but it sounds likely to me that it runs your your
> directly, while you need to run it via mpiexec.... Go the the console
> and check it out.
>
> Dominik
>
> On Fri, Jun 24, 2011 at 5:53 PM, Reicht, Ignaz
> <i.reicht at dkfz-heidelberg.de> wrote:
>> Hi Dominik,
>>
>> actually the app starts directly in XCode. Further, when running "TestMPIController" in the vtk-build/bin directory the output for processes still remains to 1.  Could someone else run this test and post the output, please. here is my output with following error:
>>
>> vtkBin/bin]: ./TestMPIController
>> **** Random Seed = 1308915324 ****
>> Exercising vtkMPIController, 1 processes
>> ...
>> ...
>> ---- Exercising vtkPolyData
>> Basic send and receive with vtkDataObject.
>> Send and receive vtkDataObject with ANY_SOURCE as source.
>> Broadcast with vtkDataObject
>> [mbimac04:43120] *** Process received signal ***
>> [mbimac04:43120] Signal: Segmentation fault (11)
>> [mbimac04:43120] Signal code: Address not mapped (1)
>> [mbimac04:43120] Failing at address: 0x0
>> [mbimac04:43120] [ 0] 2   libSystem.B.dylib                   0x00007fff84cac66a _sigtramp + 26
>> [mbimac04:43120] [ 1] 3   ???                                 0x0000000102f00000 0x0 + 4344250368
>> [mbimac04:43120] [ 2] 4   libmpi.0.dylib                      0x0000000100385963 ompi_comm_set + 355
>> [mbimac04:43120] [ 3] 5   libmpi.0.dylib                      0x0000000100386591 ompi_comm_create + 161
>> [mbimac04:43120] [ 4] 6   libmpi.0.dylib                      0x00000001003b0160 MPI_Comm_create + 160
>> [mbimac04:43120] [ 5] 7   libvtkParallel.5.6.dylib            0x00000001001eeeb4 _ZN18vtkMPICommunicator10InitializeEP15vtkProcessGroup + 1942
>> [mbimac04:43120] [ 6] 8   libvtkParallel.5.6.dylib            0x00000001001f3c49 _ZN16vtkMPIController19CreateSubControllerEP15vtkProcessGroup + 47
>> [mbimac04:43120] [ 7] 9   TestMPIController                   0x000000010000f6d3 _Z30ExerciseMultiProcessControllerP25vtkMultiProcessController + 422
>> [mbimac04:43120] [ 8] 10  TestMPIController                   0x0000000100009e77 main + 94
>> [mbimac04:43120] [ 9] 11  TestMPIController                   0x0000000100009ce0 start + 52
>> [mbimac04:43120] *** End of error message ***
>> Segmentation fault
>>
>> Guess I have to go more deeper into MPI and openMP and openMPI. probably I mixed up MPI and openMP too much. But still, please post your outputs of the test "TestMPIController".
>> OSX64 kernel extensions are enabled.
>>
>> thank you
>> iggy
>>
>>
>>
>>
>>
>> On Jun 21, 2011, at 11:36 AM, Dominik Szczerba wrote:
>>
>>> Do you start your app with something like "mpiexec -np 4 ...."?
>>>
>>> Dominik
>>>
>>> On Mon, Jun 20, 2011 at 7:46 PM, Reicht, Ignaz
>>> <i.reicht at dkfz-heidelberg.de> wrote:
>>>> Dear vtkusers,
>>>>
>>>> Somehow I can not set the number of processes in VTK. In cmake config VTK_USE_MPI is enabled and both, MPIEXEC_MAX_NUMPROCS and VTK_MPI_MAX_NUMPROCS are set to value 2. (also tried to set this value to 8, but no change in behavour).
>>>>
>>>> When calling GetNumberOfProcesses() of vtkMPIController the returned value is 1.
>>>> I am using XCode on an iMac Core-i7 (4 physical + 4 virtual threads). Also in XCode option "support openMP" is enabled. I just want to use it on my local machine, not distributed on different computers.
>>>>
>>>> Can someone tell me how to set this up right to use multiple processes in vtk?
>>>> thanks
>>>> iggy
>>>>
>>>>
>>>> _______________________________________________
>>>> Powered by www.kitware.com
>>>>
>>>> Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html
>>>>
>>>> Please keep messages on-topic and check the VTK FAQ at: http://www.vtk.org/Wiki/VTK_FAQ
>>>>
>>>> Follow this link to subscribe/unsubscribe:
>>>> http://www.vtk.org/mailman/listinfo/vtkusers
>>>>
>>>>
>>
>> _______________________________________________
>> Powered by www.kitware.com
>>
>> Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html
>>
>> Please keep messages on-topic and check the VTK FAQ at: http://www.vtk.org/Wiki/VTK_FAQ
>>
>> Follow this link to subscribe/unsubscribe:
>> http://www.vtk.org/mailman/listinfo/vtkusers
>>
>>
>