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