[Insight-users] Memory problem

[Lodron, Gerald]

Theoretical limit is an image of 2^64 elemets which means an image of 8388608 Terravoxels of type short (2byte), in practice it will be a little bit smaller (depending on windows) but i think the memory (and virual memory of your hard disc) will exeed before this happens.

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Von: insight-users-bounces at itk.org [mailto:insight-users-bounces at itk.org] Im Auftrag von Melanie Uks
Gesendet: Mittwoch, 20. April 2011 14:44
An: insight-users at itk.org
Betreff: Re: [Insight-users] Memory problem

Hi all,

thanks for your great help!
I installed everything (itk, qt, qwt,...) on a 64bit computer (windows 7) and now my processing works! I made sure that I build everything with a 64bit compiler...

Now the last question to this memory problem: is there a memory limitation for the 64bit system? ;-)

Thanks again!
Best regards,
Melanie

2011/4/18 John Drescher <drescherjm at gmail.com<mailto:drescherjm at gmail.com>>
On Mon, Apr 18, 2011 at 7:25 AM, Melanie Uks <meluks2010 at googlemail.com<mailto:meluks2010 at googlemail.com>> wrote:
> Hi,
>
> up to now I could not solve my memory problem. I used the memory probes
> collector base and I think the problem is that the GUI (Qt) needs too much
> memory. If I run the code without any GUI it does the operation if I run the
> code with GUI it does not.
> I will try now to use a 64bit system. I have no experience and I will need
> some help. I will use Visual Studio 2008 Prof. Do I need a special cmake or
> can I use the Windows 32-bit installer???
> Thanks!!!
> Melanie
>

No the same CMake works with 32 or 64 bit. You do however need to
build everything including, Qt, Itk .. in 64 bit. I suggest a
completely different tree for 64 bit development from where you build
your 32 bit code. And do not run the INSTALL project for ITK, VTK or
GDCM. Instead build all and in your application set ITK_DIR, VTK_DIR
... to point to the root folder where you built ITK ...

John

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