[gmx-users] GPU performance

Justin Lemkul jalemkul at vt.edu
Thu Apr 3 14:49:28 CEST 2014



On 4/3/14, 7:04 AM, pratibha wrote:
> Hi all
>
> I am running my simulations on GPU cluster. Cluster has 4 nodes with 1GPU
> card in each. I am observing that GPU gives good performance (12ns/day) when
> no other simulations are running on that node. However if even one job is
> running on that node, it gives horrible performance (100 ps/day). Is it
> natural to happen or something wrong in my parameters?

That's the case with any simulation.  If you start competing for resources, the 
performance suffers.

-Justin

-- 
==================================================

Justin A. Lemkul, Ph.D.
Ruth L. Kirschstein NRSA Postdoctoral Fellow

Department of Pharmaceutical Sciences
School of Pharmacy
Health Sciences Facility II, Room 601
University of Maryland, Baltimore
20 Penn St.
Baltimore, MD 21201

jalemkul at outerbanks.umaryland.edu | (410) 706-7441
http://mackerell.umaryland.edu/~jalemkul

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