[Beowulf] Woodcrest Memory bandwidth

Bill Broadley bill at cse.ucdavis.edu
Tue Aug 8 19:26:41 PDT 2006

I have a theory that the 533 MHz FB dimms have a severe performance
penalty on 1333 MHz FSB.

Does anyone out there have a 1333 MHz FSB dual woodcrest (pick your
vendor) with 4 667 MHz FB-dimms?  A 1066 MHz FSB with 4 533 MHz dimms
would also be interesting.

Could you run: http://www.cs.virginia.edu/stream/ ?

Ideally compiled with a F90 or C compiler (Intel, Pathscale, and I imagine
many others) that support OpenMP so you can run 4 threads (one per core)
in parallel.

Bill Broadley
Computational Science and Engineering
UC Davis

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