<DIV>Hi, there,</DIV> <DIV> </DIV> <DIV>First let me salute your dedicated contribution to the beowulf society. Especially I, a newcomer, have benefitted huge from your online resource and your QAs. </DIV> <DIV>I am thinking of building a Beowulf of 17 dual-core nodes, one head node and 16 computation nodes for material research simulation. I am also a newcomer to the simulation world, but I have some programming experience (no parellel programming), knowledge of Unix operating system and a few shell scripting experience. Equipped with your resorce, I think I can build a new Beowulf.</DIV> <DIV>A few questions.</DIV> <DIV>1. Is Myrinet expandable? </DIV> <DIV>I mean, if at first, I buy Myrinet for 16 nodes, should I buy more if I add more nodes to the Beowulf?</DIV> <DIV>2. When you do Monte-carlo or simulation, do you use commercial software like MCNPX or Geant4? Which MD simulation and first principle package </DIV> <DIV>would you
recommend? Will it be good to install them all in one Beowulf?</DIV> <DIV>I am looking forward to your guide.</DIV> <DIV> </DIV> <DIV>Sincerely,</DIV> <DIV> </DIV> <DIV>Rundong Wan</DIV><p>
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