I think you can ignore this warning.

Le ven. 10 févr. 2017 14:22, Michael Waldron <[email protected]> a
écrit :

> Thank you Fred, that was indeed the issue. After correcting
> CUDA_VISIBLE_DEVICES, I now get this error:
>
> >>> import theano
> Using gpu device 0: GeForce GTX 1080 (CNMeM is disabled, cuDNN 5110)
> /nas/longleaf/apps/python/3.5.1/lib/python3.5/site-packages/theano/sandbox/cuda/__init__.py:600:
> UserWarning: Your cuDNN version is more recent than the one Theano
> officially supports. If you see any problems, try updating Theano or
> downgrading cuDNN to version 5.
>   warnings.warn(warn)
> >>>
>
> I have cuDNN 5.1.10, is it saying I have to have 5.0? Do I have to use the
> bleeding-edge version of Theano for 5.1.10? I'd rather use stable version.
>
>
>
> On Friday, February 10, 2017 at 1:19:15 PM UTC-5, nouiz wrote:
>
> Sometimes, the system make the device not usable by the user by changing
> the permission or cgroup or the env variable: CUDA_VISIBLE_DEVICES
>
> Can you check that you can run the cuda example? To make sure if the
> problem is in your config (what I think).
>
> Fred
>
> On Fri, Feb 10, 2017 at 8:49 AM Michael Waldron <[email protected]>
> wrote:
>
> I have installed the latest stable theano using 'pip install theano',
> however it cannot see the gpus on my system.
>
> >>> import theano
> WARNING (theano.sandbox.cuda): CUDA is installed, but device gpu is not
> available  (error: Unable to get the number of gpus available: no
> CUDA-capable device is detected)
> >>>
>
> $ echo $THEANO_FLAGS
> cuda.root=/usr/local/cuda,device=gpu,floatX=float32
>
> I have tried using both Python 2.7.12 and 3.5.1, same result.
> OS RHEL 7
> CUDA 8 is installed and the OS sees the gpus.
>
> $ nvcc -V
> 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
>
> $ nvidia-smi
> Fri Feb 10 08:33:46 2017
>
> +-----------------------------------------------------------------------------+
> | NVIDIA-SMI 367.48                 Driver Version: 367.48
>    |
>
> |-------------------------------+----------------------+----------------------+
> | GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr.
> ECC |
> | Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute
> M. |
>
> |===============================+======================+======================|
> |   0  GeForce GTX 1080    Off  | 0000:04:00.0     Off |
>  N/A |
> | 27%   28C    P0    37W / 180W |      0MiB /  8113MiB |      0%
>  Default |
>
> +-------------------------------+----------------------+----------------------+
> |   1  GeForce GTX 1080    Off  | 0000:05:00.0     Off |
>  N/A |
> | 27%   29C    P0    39W / 180W |      0MiB /  8113MiB |      0%
>  Default |
>
> +-------------------------------+----------------------+----------------------+
> |   2  GeForce GTX 1080    Off  | 0000:08:00.0     Off |
>  N/A |
> | 27%   29C    P0    39W / 180W |      0MiB /  8113MiB |      0%
>  Default |
>
> +-------------------------------+----------------------+----------------------+
> |   3  GeForce GTX 1080    Off  | 0000:09:00.0     Off |
>  N/A |
> | 27%   28C    P0    39W / 180W |      0MiB /  8113MiB |      0%
>  Default |
>
> +-------------------------------+----------------------+----------------------+
> |   4  GeForce GTX 1080    Off  | 0000:85:00.0     Off |
>  N/A |
> | 27%   29C    P0    39W / 180W |      0MiB /  8113MiB |      0%
>  Default |
>
> +-------------------------------+----------------------+----------------------+
> |   5  GeForce GTX 1080    Off  | 0000:86:00.0     Off |
>  N/A |
> | 27%   29C    P0    39W / 180W |      0MiB /  8113MiB |      0%
>  Default |
>
> +-------------------------------+----------------------+----------------------+
> |   6  GeForce GTX 1080    Off  | 0000:89:00.0     Off |
>  N/A |
> | 27%   27C    P0    39W / 180W |      0MiB /  8113MiB |      0%
>  Default |
>
> +-------------------------------+----------------------+----------------------+
> |   7  GeForce GTX 1080    Off  | 0000:8A:00.0     Off |
>  N/A |
> | 27%   28C    P0    39W / 180W |      0MiB /  8113MiB |      0%
>  Default |
>
> +-------------------------------+----------------------+----------------------+
>
>
>
> +-----------------------------------------------------------------------------+
> | Processes:                                                       GPU
> Memory |
> |  GPU       PID  Type  Process name                               Usage
>    |
>
> |=============================================================================|
> |  No running processes found
>     |
>
> +-----------------------------------------------------------------------------+
>
> Any assistance would be appreciated.
>
>
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