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Sure. I've run both multiple jobs on a single GPU, single GPU jobs on
multiple cards, and multi-GPU MPI jobs. All work fine. I'd be curious
to see nvidia-smi after the first job is running (you are submitting
them separately, right?) to see if maybe something funny isn't
happening like one job takes out two cards somehow.
On 01/11/2015 07:45 AM, Asmita Gupta wrote:
> Dear users,
>
>
> I am able to successfully run an accelerated MD simulation on
> single M2090 GPU cards, but when i am trying to submit the same
> simulation on 2 GPU cards on a single node, i am getting this
> message:-
>
> cudaGetDeviceCount failed no CUDA-capable device is detected
> cudaGetDeviceCount failed no CUDA-capable device is detected
>
> .... Does AMBER supports accelerated MD simulation runs on multiple
> GPU cards??
>
> I ran nvidia-smi and everything seemed to be normal:-
>
>
>
> |-------------------------------+----------------------+----------------------+
>
>
| GPU Name | Bus-Id Disp. | Volatile Uncorr.
> ECC | | Fan Temp Perf Pwr:Usage/Cap| Memory-Usage |
> GPU-Util Compute M. |
> |===============================+======================+======================|
>
>
| 0 Tesla M2090 | 0000:14:00.0 Off |
> 0 | | N/A N/A P0 77W / 225W | 0% 9MB / 5375MB |
> 0% Default |
> +-------------------------------+----------------------+----------------------+
>
>
| 1 Tesla M2090 | 0000:15:00.0 Off |
> 0 | | N/A N/A P0 77W / 225W | 0% 9MB / 5375MB |
> 0% Default |
> +-------------------------------+----------------------+----------------------+
>
>
>
> +-----------------------------------------------------------------------------+
>
>
| Compute processes: GPU
> Memory | | GPU PID Process name
> Usage |
> |=============================================================================|
>
>
| No running compute processes found
> |
> +-----------------------------------------------------------------------------+
>
> thanks
>
> Asmita _______________________________________________ AMBER
> mailing list AMBER.ambermd.org
> http://lists.ambermd.org/mailman/listinfo/amber
>
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`'
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Received on Sun Jan 11 2015 - 07:00:02 PST
