Hi Vasudev

what does "very slowly" mean?

cheers
Bruce
On Wed, 4 Sep 2019, Dev vasu wrote:


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Dear,

I tried running recon-all -s subjectname -t subjectid -all -openmp 15 , and
it still runs very slowly. Is there a faster way to reduce the recon-all time
using openmp, please kindly suggest me.

Thanks
Vasudev

On Sat, Aug 31, 2019 at 11:43 AM fsbuild <fsbu...@contbay.com> wrote:
      Hello Vasudev,
I think in January of 2018 it was possible to build the development
branch of the freesurfer tree using cuda 5.  But I believe that was the
last version we tried building the source with.  We no longer support
building with cuda and instead favor using OpenMP.  Part of this is
because of cuda’s dependencies on the Nvidia graphics hardware which is
a moving target.  Some vendors have essentially stopped supporting
Nvidia graphics card drivers, e.g., Apple as of Mac OS 10.14 onward. 
The Freesurfer dev branch source is now compiled with C++ compilers,
and I don’t know that anyone has tried building with cuda since we
changed the compilers for freesurfer.

- R.

      On Aug 30, 2019, at 11:39, Dev vasu
      <vasudevamurthy.devulapa...@gmail.com> wrote:

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Dear all,

Does recon_all -use-gpu only works for CUDA 5.0, is there any way
to make it work for CUDA 9.1.

Thanks
Vasudev
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