[3dem] motioncorr fails to initialize GPU

[Dieter Blaas]

Dear all,

     thanks for your answers! I finally  could compile it and I can 
confirm that MotionCorr runs under Cuda-7.5 on a GTX 660 as well as on a 
Quadro 1000M. So far, I have not encountered any problems despite 
getting the warning that it might be unstable because the GPU is also 
used for the display!

best, Dieter

------------------------------------------------------------------------
Dieter Blaas,
Max F. Perutz Laboratories
Medical University of Vienna,
Inst. Med. Biochem., Vienna Biocenter (VBC),
Dr. Bohr Gasse 9/3,
A-1030 Vienna, Austria,
Tel: 0043 1 4277 61630,
Fax: 0043 1 4277 9616,
e-mail: dieter.blaas at meduniwien.ac.at
------------------------------------------------------------------------

Am 28.06.2016 um 17:14 schrieb Dieter Blaas:
>
> Dear all,
>
>     I am astonished to read here that Motioncorr_v2.1 appears to run 
> on a GPU with just 2 GB (i.e. a K620). Can you please confirm this! 
> According to the hardware specifications it needs at least 4 GB of GPU 
> memory and I tried to run it on a GeForce GTX 660 and got error 
> messages. Could it be that this is rather related to the fact that I 
> have cuda-7.5 instead of 5.0 as suggested in Michele's posting?
>
> Thanks, Dieter
>
> ------------------------------------------------------------------------
> Dieter Blaas,
> Max F. Perutz Laboratories
> Medical University of Vienna,
> Inst. Med. Biochem., Vienna Biocenter (VBC),
> Dr. Bohr Gasse 9/3,
> A-1030 Vienna, Austria,
> Tel: 0043 1 4277 61630,
> Fax: 0043 1 4277 9616,
> e-mail:dieter.blaas at meduniwien.ac.at
> ------------------------------------------------------------------------
> Am 17.06.2016 um 18:38 schrieb Michele Lunelli:
>> Hi Andrea,
>>
>> after removing CUDA 7.5 and installing CUDA 5.0 it works fine.
>>
>> Thanks!
>> Michele
>>
>> On Fri, Jun 17, 2016 at 5:36 PM, Andrea Nans <andrea.nans at gmail.com> 
>> wrote:
>>
>>     Hi Michele,
>>
>>     I don't think the K620 can support CUDA7.5. I would suggest using
>>     CUDA5.0 with this card.
>>
>>     Andrea
>>
>>     On Fri, Jun 17, 2016 at 4:21 PM, Bart <scarfboy at gmail.com> wrote:
>>
>>         Probably a permission thing, typically by default only root
>>         may access it. See if the following helps, it just gives
>>         anyone access:
>>
>>         sudo chmod 0666 /dev/nvidia*
>>
>>
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>>
>>
>>
>>
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