[Paraview] Which QT for 64-Bit Version for Windows

[Christian Werner]

I am afraid my pipeline will get as big as about 10-15GB. We are doing 
analysis on huge volume data and have 32GB of RAM at our disposal. Well, 
I'll just give it a shot and may come back later when encountering some 
explicit problems. I thought maybe there are important compilation 
Parameters one should know to have QT compiled the "right" way. By the 
way, this 1,4GB limit seems to be a good estimate, at least what I am 
experiencing when working with small pieces of our volume data.

Until then, best regards,
Christian



Michael Jackson schrieb:
> I usually use a self-built Qt 4.6.2 with ParaView. I have to admit 
> that I have not done this in a while though, since maybe ParaView 
> 3.6.2 days. I don't think I have ever had any problems with a self 
> compiled Qt and ParaView on any platform and operating system (Windows 
> 32 XP, 7 x64, OS X, Linux).
>
>    In order to build a 64 bit ParaView you will need a 64 bit Qt. The 
> question is, do you really _need_ a 64 bit ParaView? Just because you 
> are running a 64 bit Windows doesn't mean you need to run a 64 bit 
> ParaView. You would need a 64 bit ParaView IF you are accessing Data 
> sets larger than 2GB or have a HUGE pipeline that will need more than 
> the 2GB limit of 32 bit processes**
>
> ___________________________________________________________
> Mike Jackson                      www.bluequartz.net
> Principal Software Engineer       mike.jackson at bluequartz.net
> BlueQuartz Software               Dayton, Ohio
> ** Really, you only have about 1.4 GB of workable memory on a 32 bit 
> Windows, at least according to my experiences.
>
>
> On Apr 23, 2010, at 9:49 AM, Christian Werner wrote:
>
>> Hi!
>>
>> I am about to install the latest Paraview on a 64-Bit Windows System. 
>> When doing this on a 32-bit Windows I made a bad and painful 
>> experience when trying to setup everything starting with a 
>> self-compiled QT. I finally succeeded when I skipped that QT 
>> compiling part and used a QT binary instead that was compiled for 
>> VisualStudio (this is important). However, you cannot download a 
>> 64Bit binary of QT for Windows in general.
>>
>> I am shivering in fear when thinking about what will happen if I try 
>> to do this QT compiling on the 64-Bit System. I see my self doing 
>> this all over and over without success, as it happened before on the 
>> 32Bit system. So I wanted to be sure if that 64Bit version of QT is 
>> actually needed for 64Bit Paraview. Maybe the binary 32Bit suffices 
>> already?
>>
>> If not, does anyone have experience in this? I stopped trying after 
>> at least 3 differently parameterized compilations of QT turned out to 
>> not be what Paraview was looking for. If I need to, how would I 
>> compile QT to make it work with Paraview64 for Visual Studio?
>>
>>
>> Best regards,
>> Christian
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