InformationWeek: Scaling Supercomputers With LinuxJul 14, 2001, 17:00 (2 Talkback[s])
(Other stories by Aaron Ricadela)
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"It's not easy trying to build scalable systems from commodity hardware designed for assembling desktop computers and small servers, though. "Lashing together tens or hundreds of thousands of processors isn't as easy as it appears when you apply it to real-world problems," says Gary Smaby, a supercomputing analyst and a principal of Quatris Fund, an investor in Unlimited Scale. As the number of CPUs in a Beowulf-style cluster-a group of PCs linked via Ethernet-increases and memory is distributed instead of shared, the efficiency of each processor drops as more are added.
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