Messages in this thread | | | Date | Tue, 27 May 2003 13:40:43 +0200 | From | Andi Kleen <> | Subject | Re: [Lse-tech] Node affine NUMA scheduler extension |
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> I left the loadbalancer to decide on where the homenode should be. And > the decision wasn't good enough (it lead to unbalanced nodes, that's > certainly not the case on Opteron :-). So it made sense to have a > specialized homenode chooser which considered the node loads instead > of changing the normal load balancer.
I have that, but only on exec (similar to what 2.5 mainline does with the NUMA scheduler)
> BTW: do you assign the homenode at first load balancing or at first > cross-node balancing?
It's the same on Opteron: each CPU is an own node. The lazy homenode for fork/clone is chosen on the first load balance of the new thread.
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