Re: Scaling noise

William Lee Irwin III
2003-09-04T21:29:44Z

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