On 17 November 2016 at 20:23, R Edgar <freesurfer....@gmail.com> wrote:
> On 17 November 2016 at 18:10, June Kang <cn...@korea.ac.kr> wrote:
>
>> Anybody know which CUDAversion is the latest one supported by freesurfer?
>
> I'm trying to provide some support for the CUDA implementations, but I
> don't have that much time to devote to it.
>
>> Now I am trying to remove CUDA 8 and installing CUDA 5.5. Next will be the
>> CUDA5.0
>>
>> If anybody knows what is the 'supported' or 'successful' late cuda version,
>> please let me know.
>
> I know I had it running on CUDA 7.5 (with K1200), and I'm pretty sure
> I've run it since CUDA 8.0 came out. Rather than trying to downgrade
> your CUDA installation, it might be more worthwhile to compile from
> scratch on the box you want to use. That way, you can be sure that
> library versions are all matching. It also occurs to me that the nvcc
> flags might be so old in the default compile as to give trouble with
> your GPU.
OK, on my box:
[rge21@cudastation gpu_utils]$ ./cudadetect
Detecting CUDA... There is 1 device supporting CUDA:
Device 0: "Quadro K1200"
CUDA Driver Version: 8.0
CUDA Runtime Version: 8.0
CUDA Capability Major revision number: 5
CUDA Capability Minor revision number: 0
Then I can run mri_ca_register:
../mri_ca_register_cuda -nobigventricles -T talairach.lta -align-after
-mask brainmask.mgz norm.mgz
../../distribution/average/RB_all_2016-05-10.vc700.gca talairach.m3z
nvcc: NVIDIA (R) Cuda compiler driver
Copyright (c) 2005-2016 NVIDIA Corporation
Built on Sun_Sep__4_22:14:01_CDT_2016
Cuda compilation tools, release 8.0, V8.0.44
Driver : 8.0
Runtime : 8.0
Acquiring CUDA device
Using default device
CUDA device: Quadro K1200
not handling expanded ventricles...
using previously computed transform talairach.lta
renormalizing sequences with structure alignment, equivalent to:
-renormalize
-regularize_mean 0.500
-regularize 0.500
using MR volume brainmask.mgz to mask input volume...
== Number of threads available to ../mri_ca_register_cuda for OpenMP = 4 ==
reading 1 input volumes...
logging results to talairach.log
reading input volume 'norm.mgz'...
INFO: MRImask() using MRImaskDifferentGeometry()
INFO: MRImask() using MRImaskDifferentGeometry()
INFO: MRImask() using MRImaskDifferentGeometry()
INFO: MRImask() using MRImaskDifferentGeometry()
INFO: MRImask() using MRImaskDifferentGeometry()
reading GCA '../../distribution/average/RB_all_2016-05-10.vc700.gca'...
label assignment complete, 0 changed (0.00%)
det(m_affine) = 1.19 (predicted orig area = 6.7)
freeing gibbs priors...done.
average std[0] = 5.0
AllocateHost: Warning - not thread safe!
RecvAll: Did not reset gca in dst
GCAMcopyNodePositions: On GPU
RecvAll: Did not reset gca in dst
etc.
Richard
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