[Beowulf] "dual" Quad solution from Tyan
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Joe Landman landman at scalableinformatics.comTue Feb 28 04:53:29 PST 2006
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Mark Hahn wrote: >>Not quite, this would make no use of two HT channels. Its like this: >> >>c--c--c--c >>| | \/| >>| | /\| >>c--c--c--c >> >>(The two leftmost CPUs need their third HT to connect the two chipsets.) > > > are you sure about that (ie, inspected the traces, or the HT routing > tables)? by your logic, for instance, a plain 4x would have one > cross-link (and I don't think they do.) See page 2 of ftp://ftp.tyan.com/datasheets/d_s4881_104.pdf (this is not an endorsement of Tyan) -- Joseph Landman, Ph.D Founder and CEO Scalable Informatics LLC, email: landman at scalableinformatics.com web : http://www.scalableinformatics.com phone: +1 734 786 8423 fax : +1 734 786 8452 cell : +1 734 612 4615
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