[gmx-users] 4 x Opteron 12-core or 4 x Xeon 8-core ?
gmx3 at hotmail.com
Thu Jan 20 14:56:13 CET 2011
For systems or your size, they should run about equally fast.
> From: davidmcgivenn at gmail.com
> To: gmx-users at gromacs.org
> Subject: Re: [gmx-users] 4 x Opteron 12-core or 4 x Xeon 8-core ?
> Date: Thu, 20 Jan 2011 14:39:14 +0100
> Dear Carsten,
> Thanks for the advice!
> The thing is that considering the price differences, we could buy 2-3
> AMD machines (48 core) for each 1 Intel machine (32) core.
> I'm only curious about how much faster Intel will be. Side to side,
> amd 48core vs intel 32core, would make us talk about 2x differences in
> Thanks again.
> > Message: 1
> > Date: Thu, 20 Jan 2011 13:45:54 +0100
> > From: Carsten Kutzner <ckutzne at gwdg.de>
> > Subject: Re: [gmx-users] 4 x Opteron 12-core or 4 x Xeon 8-core ?
> > To: "Discussion list for GROMACS users" <gmx-users at gromacs.org>
> > Message-ID: <DBA5ECBB-D1F3-4559-A849-FB8CF16C918F at gwdg.de>
> > Content-Type: text/plain; charset=us-ascii
> > Hi David,
> > On Jan 20, 2011, at 1:21 PM, David McGiven wrote:
> >> Dear Gromacs Users,
> >> We're going to buy a new server for HPC. It is going to run mainly
> >> Gromacs calculations.
> >> Regarding Gromacs performance, I'm wondering which one, you Gromacs
> >> users and developers, think will be faster.
> >> AMD Server : 4 x AMD Opteron 6176 12-core 2.3 Ghz + 96GB Memory
> >> (2GB / core)
> >> Intel Server : 4 x Intel Xeon 8-core 2.66 Ghz + 64 GB RAM (2GB /
> >> core)
> >> We normally run ~100k atom systems with PME and explicit water.
> >> Which one would you recommend ?
> >> Also, of course, AMD Server is cheaper. But we are mainly
> >> interested on performance.
> > If you have a fixed amount of money, you will get the most ns/day
> > if you buy the AMD Magny Cours machines. Each one will be slower
> > compared to the
> > Intel server but you will get more servers altogether, thus more total
> > performance. If you can only buy a single server and you do not care
> > about
> > what it costs, the Intel will be faster for shure.
> > Note that you do not need 2 GB/core for 100k atoms MD systems if you
> > run
> > Gromacs. Half of it will be more than enough.
> > Carsten
> >> Thanks.
> >> Best Regards,
> >> David
> >> --
> >> gmx-users mailing list gmx-users at gromacs.org
> >> http://lists.gromacs.org/mailman/listinfo/gmx-users
> >> Please search the archive at http://www.gromacs.org/Support/Mailing_Lists/Search
> >> before posting!
> >> Please don't post (un)subscribe requests to the list. Use thewww
> >> interface or send it to gmx-users-request at gromacs.org.
> >> Can't post? Read http://www.gromacs.org/Support/Mailing_Lists
> > --
> > Dr. Carsten Kutzner
> > Max Planck Institute for Biophysical Chemistry
> > Theoretical and Computational Biophysics
> > Am Fassberg 11, 37077 Goettingen, Germany
> > Tel. +49-551-2012313, Fax: +49-551-2012302
> > http://www.mpibpc.mpg.de/home/grubmueller/ihp/ckutzne
> gmx-users mailing list gmx-users at gromacs.org
> Please search the archive at http://www.gromacs.org/Support/Mailing_Lists/Search before posting!
> Please don't post (un)subscribe requests to the list. Use the
> www interface or send it to gmx-users-request at gromacs.org.
> Can't post? Read http://www.gromacs.org/Support/Mailing_Lists
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the gromacs.org_gmx-users