[Insight-users] x64 and x86

Tue Apr 5 12:01:17 EDT 2011

All your libraries must be either 32bit or 64bit (exe+static
libraries+dlls), otherwise your program cannot link properly or crashes when
executed.

By the way, the theoretical limit is 2GB for datasets as the higher 2GB are
reserved by windows for shared memory. Practical limit is even lower: due to
memory fragmentation it is rare that there is 1.5GB block of contiguous free
memory. Limit is usually 1GB-1.5GB.

HTH

2011/4/5 Sergio Aguirre <sergio.aguirre at gmail.com>

> HTH
>
> Thank you, I will do thus on friday as I am traveling now.
>
> I understand that I would be running a 32bit exe but if ITK is 64 bit
> loading 4GB+ datasets should be no problem ... Yes?
>
>
> Sergio
>
> Sent from my iPod
>
> On Apr 4, 2011, at 11:21 PM, Dženan Zukić <dzenanz at gmail.com> wrote:
>
> You need to install "cross compiling" support. You can select those when
> you install from VS2008 DVD. I guess you can insert the install DVD and
> choose select packages and add those. Keep in mind you will not be able to
> run 64bit exe on 32bit Win7.
>
> HTH
>
> On Mon, Apr 4, 2011 at 22:02, Sergio Aguirre < <sergio.aguirre at gmail.com>
> sergio.aguirre at gmail.com> wrote:
>
>> Hi all
>>
>> I was wondering if you could explain the visual studio 2008 requirements
>> and process to build and install ITK 64 bit in win7 32 bit.
>>
>> I tried using cmake by selecting visual studio 64 bit BUT got an error in
>> cmake that it did not find the 64 bit compiler... Would I need to download
>> some sort of patch?
>>
>> Sergio
>>
>> Sent from my iPod
>>
>> On Apr 4, 2011, at 7:16 AM, Dženan Zukić < <dzenanz at gmail.com>
>> dzenanz at gmail.com> wrote:
>>
>> I just checked one of my executables, and all the dlls are marked as 64bit
>> in DependencyWalker, even the MSVCR90D.DLL and the ones from Qt. And yes, windows\system32
>> containts 64bit libs on 64bit Win7.
>>
>> HTH
>>
>> On Sun, Apr 3, 2011 at 00:41, Gib Bogle < <g.bogle at auckland.ac.nz><g.bogle at auckland.ac.nz>
>> g.bogle at auckland.ac.nz> wrote:
>>
>>> Hi Robert,
>>>
>>> The MinGW64 toolset is:
>>>
>>> === TDM-GCC Compiler Suite for Windows ===
>>> ---           GCC 4.5 Series           ---
>>> ***    MinGW-w64 64/32-bit Edition     ***
>>>
>>> This edition of TDM-GCC is a multilib bootstrap of GCC's
>>> x86_64-w64-mingw32
>>> target, built to run on 32-bit or 64-bit Windows and generate binaries
>>> for
>>> 32-bit or 64-bit Windows.
>>>
>>> It seems to have been released about 5/2010.  Although my programs are
>>> using x86 Windows DLLs with '32' in the name, they seem to run OK using more
>>> than 4GB of memory.
>>>
>>> I don't understand the situation with the Windows DLLs.  For example, I
>>> see that there are two files kernel32.dll, with different sizes, one in
>>> windows\system32, the other in windows\syswow64.  I saw an online post
>>> claiming that the files in system32 are actually 64-bit, on Windows 7.  Is
>>> it possible that Dependency Walker is giving wrong information?  As I
>>> understand it, mixing 32-bit and 64-bit code in a program is not possible,
>>> and my programs seem to run fine (so far).
>>>
>>> Gib
>>>
>>>
>>> Quoting Robert Haase < <robert_haase at gmx.de> <robert_haase at gmx.de>
>>> robert_haase at gmx.de>:
>>>
>>>  Hi Gib,
>>>>
>>>> after your report, I checked my working x64-EXE. It is compiled on WinXP
>>>> x64 using VS2008 with dynamically linked ITK-DLL. I found that all dependent
>>>> Windows-DLLs are 64bit. But my Program is also using 32-Bit DLLs
>>>> (MSVCR90.DLL, MSVCP90.DLL, QTGUI4.DLL, QTCORE4.DLL). So I don't think this
>>>> is problematic. You might test your application on x64 compatibility by
>>>> allocating > 2GB of memory. This should work if it is a valid Win x64 EXE
>>>> and fail if it is not.
>>>>
>>>> By the way, where did you get the MinGW-64 compiler? Isn't that
>>>> sourceforge project in beta status without real progress for years?
>>>>
>>>> Regards,
>>>> Robert
>>>>
>>>>
>>>> -------- Original-Nachricht --------
>>>>
>>>>> Datum: Fri, 01 Apr 2011 13:52:12 +1300
>>>>> Von: Gib Bogle < <g.bogle at auckland.ac.nz> <g.bogle at auckland.ac.nz>
>>>>> g.bogle at auckland.ac.nz>
>>>>> An: " <insight-users at itk.org> <insight-users at itk.org>
>>>>> insight-users at itk.org" < <insight-users at itk.org><insight-users at itk.org>
>>>>> insight-users at itk.org>
>>>>> Betreff: [Insight-users] x64 and x86
>>>>>
>>>>
>>>>  I've built the static ITK libraries on 64-bit Windows 7, with MinGW,
>>>>> and
>>>>> built
>>>>> an application using these libraries.  When I look at the executable
>>>>> with
>>>>> Dependency Walker it tells me that while the executable is x64, all the
>>>>> Windows
>>>>> DLLs (e.g. ADVAPI32, GDI32, KERNEL32, ...) are x86.  Should I care
>>>>> about
>>>>> this?
>>>>> If so, what's the proper way to build a fully x64 application?
>>>>> _____________________________________
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>>>>>
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>> _____________________________________
>> Powered by <http://www.kitware.com> <http://www.kitware.com>
>> www.kitware.com
>>
>> Visit other Kitware open-source projects at
>> <http://www.kitware.com/opensource/opensource.html>
>> http://www.kitware.com/opensource/opensource.html
>>
>> Kitware offers ITK Training Courses, for more information visit:
>> <http://www.kitware.com/products/protraining.html>
>> http://www.kitware.com/products/protraining.html
>>
>> Please keep messages on-topic and check the ITK FAQ at:
>> <http://www.itk.org/Wiki/ITK_FAQ>http://www.itk.org/Wiki/ITK_FAQ
>>
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>>
>> _____________________________________
>> Powered by <http://www.kitware.com>www.kitware.com
>>
>> Visit other Kitware open-source projects at
>>  <http://www.kitware.com/opensource/opensource.html>
>> http://www.kitware.com/opensource/opensource.html
>>
>> Kitware offers ITK Training Courses, for more information visit:
>>  <http://www.kitware.com/products/protraining.html>
>> http://www.kitware.com/products/protraining.html
>>
>> Please keep messages on-topic and check the ITK FAQ at:
>>  <http://www.itk.org/Wiki/ITK_FAQ>http://www.itk.org/Wiki/ITK_FAQ
>>
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