[Beowulf] Opteron 275 performance
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S.I.Gorelsky gorelsky at stanford.eduWed Jul 13 12:21:32 PDT 2005
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>The original post by S.Gorelsky (re-sent by E.Leitl) was about good >scalability of 4cores/dual-CPUs Opteron 275 server on Gaussian 03 >DFT/test397 test. I'm testing just now like Supermicro server >w/2*Opteron 275 but w/DDR333 instead of DDR400 used by S.Gorelsky. >I used SuSE 9.0 w/2.4.21 kernel. >I understood, that original results of S.Gorelsky were obtained, >probably, for shared memory parallelization! This is correct. I did not use Linda parallelization. The reason for that is Linda's "far-from-best" scalability with Gaussian 03. Thus, we only use shared memory parallelization for Gaussian 03 and only those results are shown on http://www.sg-chem.net/cluster/ Best regards, Serge Gorelsky
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