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SubjectRe: SMP/cc Cluster description
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>    problem.  Scheduler, networking, device drivers, everything.  That's
> thousands of locks and uncountable bugs, not to mention the impact on
> uniprocessor performance.

Most of my block drivers in Linux have one lock. The block queuing layer
has one lock which is often the same lock.

> You tell me - which is easier, multithreading the networking stack to
> 64 way SMP or running 64 distinct networking stacks?

Which is easier. Managing 64 routers or managing 1 router ?
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