[Insight-developers] Test for large image buffer convert

[Gaëtan Lehmann]

Le 12 août 09 à 00:15, Luis Ibanez a écrit :

>
> Yeap, that makes sense then.
>
> I would follow Sean's suggestion and set
>
>      ITK_COMPUTER_MEMORY_SIZE  to  4
>
> in the 32 bits machines.
>
> ... and probably 3 (3Gb) is more realistic..
>
>
> This has to be done manually, by running CMake
> (or setting it in the ctest script). There is no attempt
> to discover the amount of RAM at configuration time.
>

Yes, I agree. However, I think that the non failing test  
itkLargeImageWriteReadTest3 may show a bug in itk::Image or maybe only  
in the test.
If the image can't fit in memory, an exception should be send - that's  
not the case here.

Gaëtan

>
>        Luis
>
>
> --------------------------------------------------------------------
> 2009/8/11 Gaëtan Lehmann <gaetan.lehmann at jouy.inra.fr>
>
> Le 12 août 09 à 00:09, Luis Ibanez a écrit :
>
>
> Hi Gaetan,
>
> What value you have set for ITK_COMPUTER_MEMORY_SIZE
> in this machine ?
>
> 24 for both 32 and 64 bit builds.
> Only 32 bit tests are failing.
>
> Gaëtan
>
>
>
>
>
>    Luis
>
>
> -----------------------------------------------------
> 2009/8/11 Gaëtan Lehmann <gaetan.lehmann at jouy.inra.fr>
>
> Le 11 août 09 à 22:07, Gaëtan Lehmann a écrit :
>
>
>
> Le 11 août 09 à 17:23, Sean McBride a écrit :
>
> Should ITK_COMPUTER_MEMORY_SIZE state the amount of physical RAM in  
> the
> machine?  What if my machine has 8 GB of physical RAM but my OS is  
> only
> 32 bit (and thus a process is limited to max 4 GB RAM)?  Would that
> cause the test to run, but then crash?
>
> That would be unfortunate. If that's the case, it would be better to  
> run the tests only if CMAKE_SIZEOF_VOID_P is (at least) 8.
>
>
> That's what is happening here... on my test system (opensolaris 24  
> GB of RAM), I get that:
>
> 927/1659 Testing itkLargeImageWriteReadTest1      Passed
> 928/1659 Testing itkLargeImageWriteReadTest2   ***Failed
> 929/1659 Testing itkLargeImageWriteReadTest3      Passed
>
> The surprising result is the one for itkLargeImageWriteReadTest3  
> which is not failing. The test seems to not even see the right image  
> size, and allocates only 1154 MB instead of the 9346 MB that it  
> should (try to) allocate.
>
> I guess we should rather receive an exception there...
>
>
> 929/1659 Testing itkLargeImageWriteReadTest3
> Test command: /export/home/glehmann/tests/Insight/build-sse32/bin/ 
> itkIOTests itkLargeImageWriteReadTest /export/home/glehmann/tests/ 
> Insight/build-sse32/Testing/Temporary/LargeImage03.mhd 70000L
> Test timeout computed to be: 1500
> Trying to allocate an image of size 1154 Mb
> Initializing pixel values
> Trying to write the image to disk
> Trying to read the image back from disk
> Comparing the pixel values.. :
>         Probe Tag    Starts    Stops             Time (s)
>           Allocate           1            1       2.88486e-05
>            Compare           1            1           2.55108
>       Initializing           1            1           3.26561
>               Read           1            1           8.00332
>              Write           1            1           2.31333
>
> Test PASSED !
>
>
> Gaëtan
>
>
> -- 
> Gaëtan Lehmann
> Biologie du Développement et de la Reproduction
> INRA de Jouy-en-Josas (France)
> tel: +33 1 34 65 29 66    fax: 01 34 65 29 09
> http://voxel.jouy.inra.fr  http://www.itk.org
> http://www.mandriva.org  http://www.bepo.fr
>
>
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>
> -- 
> Gaëtan Lehmann
> Biologie du Développement et de la Reproduction
> INRA de Jouy-en-Josas (France)
> tel: +33 1 34 65 29 66    fax: 01 34 65 29 09
> http://voxel.jouy.inra.fr  http://www.itk.org
> http://www.mandriva.org  http://www.bepo.fr
>
>

-- 
Gaëtan Lehmann
Biologie du Développement et de la Reproduction
INRA de Jouy-en-Josas (France)
tel: +33 1 34 65 29 66    fax: 01 34 65 29 09
http://voxel.jouy.inra.fr  http://www.itk.org
http://www.mandriva.org  http://www.bepo.fr

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