On Wednesday 08 April 2009, Joe Landman wrote: > As an FYI, Beowulf veteran Jeff Layton wrote up a nice article on memory > configuration issues for Nehalem (I had seen some discussion on this > previously).
Can anyone confirm that mixing different sizes of dimms, even when keeping to a by-three-symmetric configuration, actually does degrade performance? That is, first hand information that config 1 will be slower than config 2: 1: two sockets, 3x 1G and 3x 2G per socket RDIMM (total 18G @1066) 2: two sockets, 6x 1G(or 2G) per socket RDIMM (total 12G (or 24G) @1066) /Peter > Link is here: > http://www.delltechcenter.com/page/04-08-2009+-+Nehalem+and+Memory+Configur >ations
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