[gmx-users] RE: Gromacs on GPU: GTX or Tesla?
szilard.pall at cbr.su.se
Thu Aug 4 21:41:29 CEST 2011
Tesla cards won't give you much benefit when it comes to running the
current Gromacs. Additionally, I can tell you so much that this won't
change in the future either. The only advantage of the C20x0-s is ECC
and double precision - which is ATM anyway not supported in Gromacs on
Gromacs in general doesn't use much memory so unless you will want to
run gigantic systems with a single card, C2070 will not give you any
added benefit at all, in fact 1-1.5GB/card should be more than enough.
What kind of machine are you planning to buy/how many GPUs?
On Thu, Aug 4, 2011 at 8:59 AM, Jagdish S. Varma <jsvarma at connoiseur.com> wrote:
> In the long term the Tesla is much more preferable as the GTX would not
> support certain high end functions. Pls verify these before you purchase
> one. Also the Tesla C-2070 is the newer one available and with 6.0GB RAM it
> really gives out great performance. The price is the same.
> From: gmx-users-bounces at gromacs.org [gmx-users-bounces at gromacs.org] On
> Behalf Of Efrat Exlrod [Efrat.Exlrod at biu.ac.il]
> Sent: Thursday, August 04, 2011 12:13 PM
> To: gmx-users at gromacs.org
> Subject: [gmx-users] Gromacs on GPU: GTX or Tesla?
> We want to start using Gromacs on GPU and we are debating whether
> to purchase GeForce GTX card or Tesla platform. Looking at the published
> data it seems GTX580 has much impressive performance compared to Tesla
> C2050, and of course it is much cheaper. Is there a reason to prefer Tesla
> over GTX for running Gromacs in the short or long term?
> Thanks, Efrat
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