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On 08/01/2014 05:30 PM, Jirka Hladky wrote:

> I see the regression only on this box. It has 4 "Ivy Bridge-EX"
> Xeon E7-4890 v2 CPUs.
> 
> http://ark.intel.com/products/75251 
> http://en.wikipedia.org/wiki/List_of_Intel_Xeon_microprocessors#.22Ivy_Bridge-EX.22_.2822_nm.29_Expandable_2
>
> 
> 
> Please rerun the test on box with Ivy Bridge CPUs. It seems that
> older CPU generations are not affected.

That would have been good info to know :)

I've been spending about a month trying to reproduce your issue on a
Westmere E7-4860.

Good thing I found all kinds of other scheduler issues along the way...

- -- 
All rights reversed
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