Re: [PATCH 3/3] Subject: SCHED - Use a 2-d bitmap for searchinglowest-pri CPU

[Ingo Molnar]

* Gregory Haskins <ghaskins@xxxxxxxxxx> 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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