Re: [TCLUG:21592] Pentium Pro's

[Mike Hicks <hick0088@tc.umn.edu>]

Carl Wilhelm Soderstrom wrote:
> 
> > IBM's Sequent servers are NUMA machines, not SMP.  (That's
> > why they bought Sequent - for the NUMA tech.)
> 
> As I understood it, NUMA is just one SMP architecture (among others,like
> ccNUMA, or COMA). it uses a number of identical processors, so shouldn't it
> still be called Symmetric Multi-Processing? (as opposed to Asymmetric
> Multi-Processing).

The big deal with NUMA is that the memory is not located in one big
chunk (like on a run of the mill SMP board).  Of course, even on a
simple SMP system, the memory is still Non-Uniform -- each processor has
a local cache.

Just my random irrelevant 2¢..

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[ Mike Hicks | http://umn.edu/~hick0088/ | mailto:hick0088@tc.umn.edu ]