[ProudVet77]

That's when you get into the serious supercomputer hardware. The backplane has to be wide (128bits prefer 256) and interleaved. That's what makes a Cray a Cray.

[Khurkris]

How does this set-up compare to what Cray offers - apples to apples?

[Barney59]

..."That's what makes a Cray a Cray." ----

Ah, yes BUT have you seen what those tricky programmers have made (actually a year ago it was released but I digress)?

http://www.apple.com/acg/xgrid/

Virginia Tech bought 1100 Xservers, clustered them using XGrid and immediately became the 3rd fastest computer in the world...


Check out their server support pages for the various options on clustering.