On Sun, Aug 16, 2015 at 10:46:05PM +0200, Peter Zijlstra wrote: > 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% > > Yeah, so that is a problem.
Maybe I'm totally wrong, but doesn't hackbench report execution so less is better? In that case -1.07% means we are doing better with the patches applied (after time < before time). In any case, I should have indicated whether the change is good or bad for performance. > I'm taking it some of the new scaling stuff doesn't compile away, can we > look at fixing that? I will double-check that the stuff goes away as expected. I'm pretty sure it does on ARM. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
