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> Also, it isn't as clear that clustering experience applies. Are clusters > that size built hierachically? Is a 1024-CPU Beowulf practical, and if so > do you build it as a Beowulf of 32 32-CPU Beowulfs? Is something analogous > required in the OSlet approach? would it work? a system of that size has many "practical" applications. It *can* be done without partitioning it into a tree hierarchy, however, you will need a very capable interconnect (quadrics and myrinet come to mind). Tt that you'll have a tiered switching hierarchy even if the nodes are presented in a flat layer. IMHO nearly any level of breakout for grid computing (basically a cluster hierarchy) starts to become interesting as a function of your app/problem size and how many simultanous jobs you are running. Of course, we can stop and hit reality for a second: not many people can afford a 1024 cpu cluster, hence the proliferation of smaller ones ;) -- craig .- ... . -.-. .-. . - -- . ... ... .- --. . Craig I. Hagan "It's a small world, but I wouldn't want to back it up" hagan(at)cih.com "True hackers don't die, their ttl expires" "It takes a village to raise an idiot, but an idiot can raze a village" Stop the spread of spam, use a sendmail condom! http://www.cih.com/~hagan/smtpd-hacks In Bandwidth we trust - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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