[Insight-users] Resampling 64-bit crash

[Florian Pierron]

Hi Peter,

For me as well, it's 8 for both.

I think after recompiling the project properly, the resampling test is 
working now. But I don't know how many itk files I should apply the 
modification: long to long long and which itk filters will work and 
which won't... So telling the compiler to code long on 8 byte seems the 
easiest thing to do (if possible) but even so I'm not sure this would be 
enough to make ITK handle 64-bit addressing properly...

Thanks for your help,
Florian

On 15/02/2007 11:37, Atwood, Robert C wrote:
>> What is the result of sizeof(size_t) and sizeof(ptrdiff_t)?
>> (Both types are from <cstddef> header.)
>>     
>
> My results: 8 for both. Some details of compiler/system below.
> Hope it helps. Allocation appears to work but file i/o (.mhd or .hdr so
> far tested) does not, for such large files.
> Hope it helps find the problems. 
>
> Many thanks,
> Robert
>
>  
> [rcatwood at mt-xe04 testbig]$ cat > testsize.cxx
> #include <cstddef>
> #include <iostream>
> int main(){
> std::cout << sizeof(size_t) << std::endl;
> std::cout << sizeof(ptrdiff_t) << std::endl;
> }
> [rcatwood at mt-xe04 testbig]$ c++ testsize.cxx
> [rcatwood at mt-xe04 testbig]$ ./a.out
> 8
> 8
>
>
> [rcatwood at mt-xe04 testbig]$ c++ --version
> c++ (GCC) 3.4.6 20060404 (Red Hat 3.4.6-3)
> Copyright (C) 2006 Free Software Foundation, Inc.
> This is free software; see the source for copying conditions.  There is
> NO
> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
> PURPOSE.
>
> [rcatwood at mt-xe04 testbig]$ cat /proc/version
> Linux version 2.6.9-42.0.8.ELsmp
> (brewbuilder at ls20-bc1-14.build.redhat.com) (gcc version 3.4.6 20060404
> (Red Hat 3.4.6-3)) #1 SMP Tue Jan 23 12:49:51 EST 2007
> [rcatwood at mt-xe04 testbig]
>
>
> [rcatwood at mt-xe04 testbig]$ cat /proc/cpuinfo
> processor : 0
> vendor_id : AuthenticAMD
> cpu family : 15
> model  : 33
> model name : Dual Core AMD Opteron(tm) Processor 270
> stepping  : 2
> cpu MHz   : 1994.714
> cache size : 1024 KB
> physical id  : 0
> siblings  : 2
> core id   : 0
> cpu cores : 2
> fpu  : yes
> fpu_exception  : yes
> cpuid level  : 1
> wp   : yes
> flags  : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
> pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext lm 3dnowext
> 3dnow pni
> bogomips  : 3992.00
> TLB size  : 1088 4K pages
> clflush size : 64
> cache_alignment : 64
> address sizes  : 40 bits physical, 48 bits virtual
> power management: ts fid vid ttp
>
> ... And so on ...
>
>
>   
>> -----Original Message-----
>> From: insight-users-bounces+r.atwood=imperial.ac.uk at itk.org 
>> [mailto:insight-users-bounces+r.atwood=imperial.ac.uk at itk.org]
>>  On Behalf Of Peter Cech
>> Sent: 15 February 2007 11:25
>> To: Florian Pierron
>> Cc: insight-users at itk.org
>> Subject: Re: [Insight-users] Resampling 64-bit crash
>>
>> On Thu, Feb 15, 2007 at 10:12:25 +0000, Florian Pierron wrote:
>>     
>>> Hi Robert,
>>>
>>> Thank you for your tests.
>>>
>>> I think I found the problem. I did a smaller test where I 
>>>       
>> only try to 
>>     
>>> allocate an image of 5 GB:
>>>
>>> **********
>>>  const     unsigned int   Dimension = 2;
>>>  typedef   unsigned char  InputPixelType;
>>>  typedef   unsigned char  OutputPixelType;
>>>  typedef itk::Image< InputPixelType,  Dimension >   InputImageType;
>>>  typedef itk::Image< OutputPixelType, Dimension >   OutputImageType;
>>>
>>>  InputImageType::Pointer myImage = InputImageType::New ();
>>>
>>>  InputImageType::IndexType index = {{0, 0}};
>>>  InputImageType::SizeType  size;
>>>
>>>  size[0] = 5 * 1000 * 1000;
>>>  size[1] = 1 * 1000;
>>>
>>>  InputImageType::RegionType region;
>>>  region.SetIndex (index);
>>>  region.SetSize (size);
>>>  myImage->SetRegions (region);
>>>  myImage->Allocate ();
>>> **********
>>>
>>> And here is my comments:
>>> 1) On my computer, sizeof (long) = 4 bytes. (Is there a way 
>>>       
>> to tell the 
>>     
>>> compiler to make it 8 bytes?)
>>>       
>> What is the result of sizeof(size_t) and sizeof(ptrdiff_t)?
>> (Both types are from <cstddef> header.)
>>
>> Regards,
>> Peter
>> _______________________________________________
>> Insight-users mailing list
>> Insight-users at itk.org
>> http://www.itk.org/mailman/listinfo/insight-users
>>
>>     
> _______________________________________________
> Insight-users mailing list
> Insight-users at itk.org
> http://www.itk.org/mailman/listinfo/insight-users
>
>