Re: Setup an IA64 specific reclaim distance

From: Christoph Lameter <clameter_at_sgi.com>
Date: 2006-04-15 04:08:37
On Fri, 14 Apr 2006, John Hawkes wrote:

> Again, my problem with the migration_cost is that it is expensive to
> calculate, and that the calculation takes pains to be accurate to within
> 10-20%, and yet it makes assumptions (e.g., that the migration cost between
> cpu0 and cpu1 is the same as between cpu0 and cpu31) that make its usefulness
> questionable.

Would not using the node_distance() allow us to reduce the expense?
Calculate the costs  within one node (HT / multicore) and between 
neighboring nodes with a known distance and extrapolate based on the slit 
numbers from there?

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Received on Sat Apr 15 04:09:16 2006

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