Re: [PATCH -v4 0/5] x86,smp: make ticket spinlock proportionalbackoff w/ auto tuning

[Ingo Molnar]

* Mike Galbraith <bitbucket@xxxxxxxxx> wrote:

> On Fri, 2013-01-25 at 14:05 -0500, Rik van Riel wrote:
> 
> > The performance issue observed with AIM7 is still a mystery.
> 
> Hm.  AIM7 mystery _may_ be the same crud I see on a 4 node 40 
> core box. Stock scheduler knobs are too preempt happy, produce 
> unstable results. I twiddle them as below to stabilize 
> results.
> 
> I'm testing a load balancing series from Alex Shi with AIM7 
> and whatnot, added your series on top of it and retested.  
> What I see is improvement.

Since we want both series that's good news, agreed?

Thanks,

	Ingo
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