[gmx-users] GPU not found
Albert
mailmd2011 at gmail.com
Tue May 13 12:00:30 CEST 2014
Hello:
thx for reply.
it is very strange, I cannot run this command as normal user:
Failed to initialize NVML: Insufficient Permissions
here is the output I use sudo to run the command you mentioned:
+------------------------------------------------------+
| NVIDIA-SMI 331.67 Driver Version: 331.67
|
|-------------------------------+----------------------+----------------------+
| 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 780 Ti Off | 0000:01:00.0 N/A |
N/A |
| 38% 42C N/A N/A / N/A | 10MiB / 3071MiB | N/A
Default |
+-------------------------------+----------------------+----------------------+
| 1 GeForce GTX 780 Ti Off | 0000:02:00.0 N/A |
N/A |
| 0% 34C N/A N/A / N/A | 10MiB / 3071MiB | N/A
Default |
+-------------------------------+----------------------+----------------------+
+-----------------------------------------------------------------------------+
| Compute processes: GPU
Memory |
| GPU PID Process name
Usage |
|=============================================================================|
| 0 Not
Supported |
| 1 Not
Supported |
+-----------------------------------------------------------------------------+
2014-05-13 11:54 GMT+02:00 Mirco Wahab <mirco.wahab at chemie.tu-freiberg.de>:
> On 13.05.2014 11:18, Albert wrote:
>
>> I compiled Gromacs in a GPU machine with two GTX780Ti with following
>> command:
>>
>> env CC=icc F77=ifort CXX=icpc
>> CMAKE_PREFIX_PATH=/soft/intel/mkl/include/fftw:/soft/intel/impi/
>> 4.1.3.049/intel64:/soft/intel/mkl/lib/intel64 cmake ..
>> -DBUILD_SHARED_LIB=OFF -DBUILD_TESTING=OFF
>> -DCMAKE_INSTALL_PREFIX=/soft/gromacs-5.0rc1 -DGMX_MPI=ON -DGMX_GPU=ON
>> -DCUDA_TOOLKIT_ROOT_DIR=/usr/local/cuda
>>
>> however, when I try to run some jobs, it failed with messages:
>>
>>
>> NOTE: Error occurred during GPU detection:
>> no CUDA-capable device is detected
>> Can not use GPU acceleration, will fall back to CPU kernels.
>>
>> What does
>
> $> nvidia-smi
>
> on this machine print out?
> see: http://manpages.ubuntu.com/manpages/natty/man1/alt-
> nvidia-current-smi.1.html
>
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