Re: [PATCH 0/6] sched/fair: Compute capacity invariant load/utilization tracking

[Peter Zijlstra]

On Fri, Aug 14, 2015 at 05:23:08PM +0100, Morten Rasmussen wrote:
> Target: ARM TC2 A7-only (x3)
> Test: hackbench -g 25 --threads -l 10000
> 
> Before	After
> 315.545	313.408	-0.68%
> 
> Target: Intel(R) Core(TM) i5 CPU M 520 @ 2.40GHz
> Test: hackbench -g 25 --threads -l 1000 (avg of 10)
> 
> Before	After
> 6.4643	6.395	-1.07%
> 

A quick run here gives:

IVB-EP (2*20*2):

perf stat --null --repeat 10 -- perf bench sched messaging -g 50 -l 5000

Before:				After:
5.484170711 ( +-  0.74% )	5.590001145 ( +-  0.45% )

Which is an almost 2% slowdown :/

I've yet to look at what happens.
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