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DateWed, 5 Dec 2007 10:34:12 +0100
FromIngo Molnar <>
SubjectRe: [PATCH 3/3] Subject: SCHED - Use a 2-d bitmap for searching lowest-pri CPU

* Gregory Haskins <ghaskins@novell.com> wrote:

> The current code use a linear algorithm which causes scaling issues on
> larger SMP machines. This patch replaces that algorithm with a
> 2-dimensional bitmap to reduce latencies in the wake-up path.

hm, what kind of scaling issues - do you have any numbers? What workload
did you measure and on what hardware?

Ingo


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