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* Andi Kleen <ak@suse.de> wrote: > > Andi, could you please try the patch below - this will test whether this > > has to do with the rate of balancing between NUMA nodes. The patch > > itself is not correct (it way overbalances on NUMA), but it tests the > > theory. > > This works much better, but wildly varying (my tests go from 2.8xCPU > to ~3.8x CPU for 4 CPUs. 2,3 CPU cases are ok). A bit more consistent > results would be better though. ok, could you try min_interval,max_interval and busy_factor all with a value as 4, in sched.h's SD_NODE_INIT template? (again, only for testing purposes.) Ingo - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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