Re: NAMD with two GPUs

From: Axel Kohlmeyer (akohlmey_at_gmail.com)
Date: Wed Mar 24 2010 - 22:41:50 CDT

perhaps your system is not large enough?
i assume you do use two processors.

a.

On Wed, Mar 24, 2010 at 10:35 PM, Priyan Amaras <priyan.amaras_at_yahoo.com> wrote:
> Hi Everyone,
> I running simulations with two GPUs. I use this command to run the
> simulation.
>
> ./charmrun ++local +p<procs> ./namd2 +idlepoll +devices 0,1 <configfile>
>
> But the simulation speed with two GPUs is no different from the speed with
> only one GPU.
>
> Do I have to do anything else in order to utilize the second GPU?
>
> Thanks,
> Priyan
>
>

-- 
Dr. Axel Kohlmeyer    akohlmey_at_gmail.com
http://sites.google.com/site/akohlmey/
Institute for Computational Molecular Science
Temple University, Philadelphia PA, USA.

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