Hi Nick,

Thanks for generating those files. The code ran through more steps this time (with the new files) but I now have the following error:

Cuda error: MRImeanX kernel failed in file 'mrimean_cuda.cu' in line 578 : invalid device function.
register_mri: find_optimal_transform

Would you be able to recompile and put that on the server ? Alternately, if the source code is online and there are instructions for the recompile, I could do it myself. Many thanks,

Hemant

On Mon, Oct 31, 2011 at 1:40 PM, Nick Schmansky <nicks@nmr.mgh.harvard.edu> wrote:
Hemant,

We dont have any cards here that are compute capability 1.0.  Our test
cards are all 1.3 or higher.

We do compile with -arch sm_11 (compute capability 1.1).  I've
recompiled mri_em_register_cuda and mri_ca_register_cuda with -arch
sm_10 and put them here:

https://surfer.nmr.mgh.harvard.edu/pub/dist/freesurfer/misc/linux-centos4_x86_64/

i dont know if they will work for you though.

n.


On Mon, 2011-10-31 at 12:29 -0400, R Edgar wrote:
> On Mon, Oct 31, 2011 at 11:32 AM, Hemant Bokil <hemantbokil@gmail.com> wrote:
>
> > There was another thread a while back on the freesurfer website: A user
> > reported a similar problem to mine and another user responded that the
> > problem was with CUDA Compute Capability (See the link below-
> > http://www.mail-archive.com/freesurfer@nmr.mgh.harvard.edu/msg14906.html)
> >
> > My card is a Quadro 4600 which has Compute Capability 1.0. Do I need a card
> > with a higher Compute Capability ?
>
> I didn't catch that. You absolutely need a more capable card. You
> should check with Nick as to the minimum supported, but you don't get
> the full benefits until you get to Comp. Cap. 2.0.
>
> Richard
>
>



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