Re: Setup an IA64 specific reclaim distance

From: Christoph Lameter <clameter_at_sgi.com>
Date: 2006-04-15 03:41:05
On Fri, 14 Apr 2006, John Hawkes wrote:

> For example, one level of sched domain is the all-CPUs sched domain.  For a
> NUMA system it is unlikely that the migration_cost between cpu0 and cpu1 is
> the same as between cpu0 and cpu511, and yet only cpu0 and cpu1 are chosen.
> Another sched domain level on sn2 platforms, typically two CPUs per node, is
> 32p.  Again, there the migration_cost between cpu0 and cpu1 is different than
> cpu0 and cpu31.

Would it not be much simpler to use the SLIT table to estimate the 
migration costs?

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Received on Sat Apr 15 03:41:57 2006

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