No subject

size, right?
...I also did the experiment you suggested and I cannot allocate more
than 3.5 or 3.7 Gbs, so it is not ITK's problem...

Thank you!

Luis Ibanez wrote:
>
> Hi Monica,
>
>
> a) Is your machine a 64bits platform ?
>
>
> b) Have you verified how far you can get by
>    "manually" allocating memory ?
>
>    with code such as:
>
>      main(int argc, char * argv [] )
>      {
>      size_t numberOfBytes = atol(argv[1] );
>      char * buffer = new char[numberOfBytes];
>
>      delete [] buffer;
>      return 0;
>      }
>
>    Please give it a try and let us know
>    how many gigabytes you can actually allocate
>    in this machine.
>
>
>
> c) ITK have some limitations but they are pretty high.
>
>    We run nightly tests that use up to 11Gb of RAM in
>    some of the Image Registration framework tests.
>
>    That's well above the 3.5Gb that you are reporting.
>
>
> Let's start with characterizing your machine.
>
> We can then try the large memory tests in ITK,
> to see which ones can be run in your platform.
>
>
>  Please let us know what you find from the test in (b).
>
>
>      Thanks
>
>
>         Luis
>
>
> -----------------------
> Monica Hernandez wrote:
>> Dear itk users,
>>
>> I am currently working with programs with high RAM memory requirements.
>> I have observed that if I try to run a program with memory load superior
>> to 3.5 Gbs I get this
>> message
>>
>> terminate called after throwing an instance of 'std::bad_alloc'
>>   what():  St9bad_alloc
>>
>> and my program crashes. I am working in a 8 Gbs RAM and 4 Gbs Swap
>> Scientific linux machine.
>>
>> Does anybody know if there exists any limitation for ITK executables or
>> maybe  there is a hidden constraint in my linux that makes these
>> programs abort?
>>
>> Thanks a lot!!
>> _______________________________________________
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>> Insight-users at itk.org
>> http://www.itk.org/mailman/listinfo/insight-users
>>
>