[Wrf-users] Re: Wrf-users Digest, Vol 42, Issue 7 (Out of the Office)

[Mohammed Ayoub]

I will be out of the office from Friday February 15th and returning
Monday February 25th and will respond to your email at that time.  If
this is an urgent matter, please contact Wendy Crawford at
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Thank you.

>>> wrf-users 02/15/08 14:00 >>>

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Today's Topics:

   1. General Question. (Seshagiri Rao)
   2. Computer architeture and WRF (Kemp, Eric M.)


----------------------------------------------------------------------

Message: 1
Date: Thu, 14 Feb 2008 22:56:41 -0800 (PST)
From: Seshagiri Rao <seshu_meteo16 at yahoo.com>
Subject: [Wrf-users] General Question.
To: wrf help <wrfhelp at ucar.edu>, wrf users <wrf-users at ucar.edu>
Message-ID: <673950.94273.qm at web53602.mail.re2.yahoo.com>
Content-Type: text/plain; charset="iso-8859-1"

Dear All,
 This is Seshagiri Rao from India. I have one question applications of
WRF model.
 How WRF model is used to applicable  in  risk assessment and
reinsurance decision making processes.
 
 Thanks for any help.
 With best wishes,
 seshagiri rao
 
       
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Be a better friend, newshound, and know-it-all with Yahoo! Mobile.  Try
it now.
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Message: 2
Date: Fri, 15 Feb 2008 11:47:21 -0500
From: "Kemp, Eric M." <Eric.Kemp at ngc.com>
Subject: [Wrf-users] Computer architeture and WRF
To: <wrf-users at ucar.edu>
Message-ID: <52B67E1F32707847B44B4B7B1238E363020D5676 at xmbv3801>
Content-Type: text/plain; charset="iso-8859-1"

Dear wrf-users:

My organization will soon replace an Itanium-based cluster with
a Xeon-based architecture.  The specs of the two clusters are given
below.
Can anyone provide me guidance on what to expect performance wise with
the new system relative to the current system?  For example, does WRF
tend
to run faster on Xeon chips?

Current cluster:

1.6 Ghz "Madison" Itanium 2 chips -- 2 cores per machine
(2 sockets per machine, 1 core per socket)
12 MB cache (6 MB per core)
4 GB RAM per machine (2 GB per core)
~120 compute machines connected with 10 Gbps Infiniband network
connection

New cluster:

2.6 Ghz "Clovertown" Xeon chips -- 8 cores per machine
(2 sockets per machine, 2 dies per socket, 2 cores per die)
16 MB cache (4 MB per die, 2 MB per core)
16 GB RAM per machine (2 GB per core)
~64 compute machines connected with 20 Gpbs InfiniBand network
connection

-Eric


Eric M. Kemp
Meteorologist
Northrop Grumman Information Technology
Intelligence Group (TASC)
4801 Stonecroft Boulevard
Chantilly, VA 20151
(703) 633-8300 x7078 (lab)
(703) 633-8300 x8278 (office)
(703) 449-3400       (fax)
eric.kemp at ngc.com

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End of Wrf-users Digest, Vol 42, Issue 7
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