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Re: [Xen-devel] [PATCH 1 of 3 v5/leftover] libxl: enable automatic placement of guests on NUMA nodes [and 1 more messages]
On Wed, 2012-07-18 at 12:00 +0100, Ian Jackson wrote:
> An upper bound on log(number_of_combinations) is
> log(number_of_nodes_on_the_host) * number_of_nodes_for_the_guest.
> This fact could be used to determine more accurately whether the
> algorithm is going to terminate in a reasonable time.
This seems like something which could be done for 4.2.0 and is better
than the more static limit and better than no NUMA at all. Dario can you
do something for this soon, as in this week or not later than next?
> Also when this algorithm would be used, but would take too long, we
> should print a warning which tells the user they should use cpupools
> to assign nodes directly.
Agreed.
Ian.
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