[Beowulf] x86-64 NUMA vs SMP kernel: appl. performance?

Greg Lindahl lindahl at pathscale.com
Fri Sep 24 13:55:51 EDT 2004


> I have possible choice between using of SMP or NUMA-enabled x86_64 
> kernels (2.4.21 from SuSE Linux 9.0 distributive).

Mikhail,

If I wanted to make a single generalization about Opteron kernels, it
would be "Use a 2.6 kernel!" However, we've found that picking the
right compiler is an even larger effect.

-- greg

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