Re: [PATCH 00/27] Latest numa/core release, v16

[Ingo Molnar]

* David Rientjes <rientjes@xxxxxxxxxx> wrote:

> I confirm that numa/core regresses significantly more without 
> thp than the 6.3% regression I reported with thp in terms of 
> throughput on the same system.  numa/core at 01aa90068b12 
> ("sched: Use the best-buddy 'ideal cpu' in balancing 
> decisions") had 99389.49 SPECjbb2005 bops whereas ec05a2311c35 
> ("Merge branch 'sched/urgent' into sched/core") had 122246.90 
> SPECjbb2005 bops, a 23.0% regression.

What is the base performance figure with THP disabled? Your 
baseline was:

   sched/core at ec05a2311c35:    136918.34 SPECjbb2005 

Would be interesting to see how that kernel reacts to THP off.

Thanks,

	Ingo
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