Hubert -
Infiniband is certainly worth the money if you plan to use plenty of
memory and run large production jobs. It is also becomes de facto
a standard replacing low-end (considered now) solutions like
Myrinet.
Tschuess -
Tomek
-- On Thu, Apr 07, 2005 at 08:16:19PM +0200, Hubert Klahr wrote: > Dear Colleagues, > > we are going to apply for a new linux cluster > in our department. Now we try to figure out an > optimized system, as cheep and as powerful > as possible. So what is in your experience the > optimum configuration to run FLASH with and > without self gravity? > > We think about a 256 opteron processor cluster. Now the > questions are: > > How much memory per processor do we need? > What network do we need? Infiniband/Giganet/Myrinet... > > In order to get as many as possible processors we have > to minimize the cost for network, processor-clockspeed, > and memory per node. > > Any opinion? > > Best wishes > Hubert > > PS: We will also run ZEUS-MP, the Pencil Code, Gadget and TRA-MP on > this cluster. > > ======================================================================== > == > Hubert Klahr Voice: +49 6221 528 255 > Max-Planck-Institut Fax: +49 6221 528 246 > fuer Astronomie mailto:klahr@mpia.de > Koenigstuhl 17 http://www.mpia.de/homes/klahr > D-69117 Heidelberg, Germany > ======================================================================== > == -- Thu, 19:57 CDT (00:57 GMT), Apr-07-2005 _______________________________________________________________________________ Tomasz Plewa www: flash.uchicago.edu Computational Physics and Validation Group email: tomek@uchicago.edu The ASC FLASH Center, The University of Chicago phone: 773.834.3227 5640 South Ellis Ave, RI 475, Chicago, IL 60637 fax: 773.834.3230 _______________________________________________________________________________Received on Thu Apr 7 19:57:27 2005
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