[Pw_forum] QE-GPU 14.10.0 with intel compilers

[Filippo Spiga]

The binary that uses GPU is located under GPU/PW/pw-gpu.x

Try ldd

$ GPU/PW/pw-gpu.x

you will spot CUDA library dependencies sing that the binary need GPU libraries and so will use GPUs.

--
Mr. Filippo SPIGA, M.Sc.
http://fspiga.github.io ~ skype: filippo.spiga

«Nobody will drive us out of Cantor's paradise.» ~ David Hilbert

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> On Oct 29, 2015, at 11:55 AM, Dr. NG Siu Pang <rollyng at cityu.edu.hk> wrote:
> 
> Dear Filippo,
> 
> Apologies for my mistake, my input command was incorrect, now it runs with
> mpirun -genvall -np 8 ./pw.x -inp ~/QE520/AUSURF112/ausurf.in |tee ~/QE520/AUSURF112/ausurf.out
> 
> I see it takes about 26G of RAM and 8 instants of pw.x is running with 'top'.
> 
> However, I check with 'nvidia-smi',
> Thu Oct 29 19:55:07 2015
> +------------------------------------------------------+
> | NVIDIA-SMI 340.65     Driver Version: 340.65         |
> |-------------------------------+----------------------+----------------------+
> | GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
> | Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
> |===============================+======================+======================|
> |   0  Tesla C2050         Off  | 0000:0C:00.0     Off |                    0 |
> | 30%   52C    P0    N/A /  N/A |      6MiB /  2687MiB |      0%      Default |
> +-------------------------------+----------------------+----------------------+
> |   1  Tesla C2050         Off  | 0000:0D:00.0     Off |                    0 |
> | 30%   50C    P0    N/A /  N/A |      6MiB /  2687MiB |      0%      Default |
> +-------------------------------+----------------------+----------------------+
> |   2  Tesla C2050         Off  | 0000:11:00.0     Off |                    0 |
> | 30%   54C    P0    N/A /  N/A |      6MiB /  2687MiB |      0%      Default |
> +-------------------------------+----------------------+----------------------+
> |   3  Tesla C2050         Off  | 0000:12:00.0     Off |                    0 |
> | 30%   50C    P0    N/A /  N/A |      6MiB /  2687MiB |      0%      Default |
> +-------------------------------+----------------------+----------------------+
> |   4  Tesla C2050         Off  | 0000:83:00.0     Off |                    0 |
> | 30%   46C    P0    N/A /  N/A |      6MiB /  2687MiB |      0%      Default |
> +-------------------------------+----------------------+----------------------+
> |   5  Tesla C2050         Off  | 0000:84:00.0     Off |                    0 |
> | 30%   45C    P0    N/A /  N/A |      6MiB /  2687MiB |      0%      Default |
> +-------------------------------+----------------------+----------------------+
> |   6  Tesla C2050         Off  | 0000:87:00.0     Off |                    0 |
> | 30%   47C    P0    N/A /  N/A |      6MiB /  2687MiB |      0%      Default |
> +-------------------------------+----------------------+----------------------+
> |   7  Tesla C2050         Off  | 0000:88:00.0     Off |                    0 |
> | 30%   46C    P0    N/A /  N/A |      6MiB /  2687MiB |      0%      Default |
> +-------------------------------+----------------------+----------------------+
> 
> +-----------------------------------------------------------------------------+
> | Compute processes:                                               GPU Memory |
> |  GPU       PID  Process name                                     Usage      |
> |=============================================================================|
> |  No running compute processes found                                         |
> +-----------------------------------------------------------------------------+
> 
> It said no compute process found? Is this true?
> 
> Thanks,
> Rolly
> 
> PhD, Research Fellow,
> Department of Physics and Materials Science,
> City University of Hong Kong
> Tel: +852 3442 4000
> Fax:+852 3442 0538
> 
> 
> 
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