Thanks, Tim.  I found the eddy_cuda9.1 version in fsl 6.0.1 but now am running into what looks like a memory issue.  Here is the output I get:



Reading images

Performing volume-to-volume registration

Running Register



...................Allocated GPU # 0...................

terminate called after throwing an instance of 'thrust::system::system_error'

  what():  device free failed: an illegal memory access was encountered

Loading prediction makerAborted (core dumped)



I have 118 GB free on this node, is that not enough?  Thanks for any advice you can give. 



Mark



____________________

Mark Wagshul, PhD

Associate Professor

Gruss Magnetic Resonance Research Center

Albert Einstein College of Medicine

Bronx, NY 10461



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-----Original Message-----

From: FSL - FMRIB's Software Library <[log in to unmask]> On Behalf Of Tim Schäfer

Sent: Saturday, July 13, 2019 9:28 AM

To: [log in to unmask]

Subject: Re: [FSL] eddy_cuda failures



Hi Mark,



There are different versions of eddy_cuda, linked against different version of the cudart libs. You need to have the CUDA lib version installed that matches the eddy_cuda version you have.



I would first check which CUDA version is installed (or available in the package system of your OS for easy installation), and check whether there is a version of eddy for that CUDA version.



I didn't get the part about 7.5. Is it not found, or does it give out-of-memory errors?



Best,



Tim



> On July 12, 2019 at 4:40 PM Mark Wagshul <[log in to unmask]> wrote:

> 

> 

> Dear FSL experts,

> 

> Hi. I sent an earlier post, but haven't gotten a reply.  I am running into problems with eddy_cuda, as follows:

> 

> We have a number versions of CUDA installed on our cluster, all of them fail.  Version 7.5 gives me an out of memory error, and version 9.2 gives me a segmentation violation.  My system admin thought that 9.2 was not compatible with eddy_cuda so he installed 9.1, but now I am getting a message which seems to indicate that it is looking for version 7.5.  I get the message  "libcudart.so.7.5: cannot open shared object file".

> 

> Any assistance with this issue would be most appreciated, thanks!

> 

> 

> Mark

> 

> ____________________

> Mark Wagshul, PhD

> Associate Professor

> Gruss Magnetic Resonance Research Center Albert Einstein College of 

> Medicine Bronx, NY 10461

> 

> Ph: 718-430-4011

> FAX: 718-430-3399

> Email: 

> [log in to unmask]<mailto:[log in to unmask]>

> 

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Dr. Tim Schäfer

Postdoc Computational Neuroimaging

Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy University Hospital Frankfurt, Goethe University Frankfurt am Main, Germany



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