Re: how i can utilize 4 GPU in simulation with poor performance

From: Giacomo Fiorin (giacomo.fiorin_at_gmail.com)
Date: Wed Apr 01 2020 - 13:11:37 CDT

Hi Lamya, if I understand correctly 0.01 days/ns (reported by you) is
already relatively fast (i.e. 100 ns/day). What system are you running?

On Wed, Apr 1, 2020 at 1:09 PM L- <lamyaoo_at_gmail.com> wrote:

> Dear NAMD user
> I am using NAMD platform for MD simulations. I want to use the GPU nodes
> on the HPC with 4 GPU V100 and 24 cores
>
> when i run the command
> /namd2 +p24 +decvices 0,1
>
> the Benchmark Days/ns is .01,
> then I compared the simulation output performance with 4GPU
> /namd2 +p24 +decvices 0,1 ,2,3
>
> I got the same !!
>
> it looks very poor performance for me
>
> anyone can help me ..how i can utilize this HPC
>
> Lamya :)
>
>

-- 
Giacomo Fiorin
Associate Professor of Research, Temple University, Philadelphia, PA
Research collaborator, National Institutes of Health, Bethesda, MD
http://goo.gl/Q3TBQU
https://github.com/giacomofiorin

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