Re: Scaling noise

[William Lee Irwin III]

On Thu, Sep 04, 2003 at 04:36:56PM -0400, Rik van Riel wrote:
> You'll end up with half your accesses being 15 times as
> slow, meaning that your average memory access time is 8
> times as high!  Good way to REDUCE performance, but most
> people won't like that...
> If the NUMA factor is low enough that applications can
> treat it like SMP, then the kernel NUMA support won't
> have to be very high either...

This does not hold. The data set is not necessarily where the
communication occurs.


-- wli
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