On Sun, 26 Nov 2017, Andi Kleen wrote:
>> Applies on today's -tip tree. Please consider for v4.16.
>
>No numbers on the improvements?
I have not done performance tests perse for perf, but ultimately
it will depend a lot on the workload and size of the tree. I had
previously measured, on a Xeon E5-2450 @ 2.10GHz, the cost of
an rb_first() was ~60 cycles for 100 nodes, and ~75 cycles with
1000 nodes. fwiw.
Thanks,
Davidlohr
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