| Date | Mon, 31 Aug 2015 11:24:49 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH 0/6] sched/fair: Compute capacity invariant load/utilization tracking |
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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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