Re: [AMBER] how to specify CUDA devices?

From: Jason Swails <jason.swails.gmail.com>
Date: Wed, 9 May 2012 09:36:10 -0400

You need to set the environment variable CUDA_VISIBLE_DEVICES. I think the web page has information (see the page on gpus at ambermd.org).

HTH,
Jason

--
Jason M. Swails
Quantum Theory Project,
University of Florida
Ph.D. Candidate
352-392-4032
On May 9, 2012, at 8:47 AM, Albert <mailmd2011.gmail.com> wrote:
> hello:
> 
>   I've got two GTX590 at a workstation and I am trying to run two 
> series CUDA jobs in two different folder. I found that one is with 20 
> ns/day and the left is only 6 ns/day. The system is the same. I am 
> curious that the second probably is use the same GPU with the first one 
> so that the efficiency is so slow.
> 
>   So, I am wondering, is it possible to specify GPU in pmemd.CUDA 
> command so that two jobs won't use the same GPU for computation? I am 
> using SUSE LINUX OS.
> 
> thank you very much
> Albert
> 
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Received on Wed May 09 2012 - 07:00:02 PDT