[Insight-developers] Test for large image buffer convert

[Luis Ibanez]

Hi Gaetan,

What value you have set for ITK_COMPUTER_MEMORY_SIZE
in this machine ?


    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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