Messages in this thread | | | Date | Mon, 27 Jul 2015 13:11:23 -0400 | From | Waiman Long <> | Subject | Re: [PATCH v3 2/7] locking/pvqspinlock: Add pending bit support |
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On 07/26/2015 07:09 PM, Davidlohr Bueso wrote: > On Wed, 2015-07-22 at 16:12 -0400, Waiman Long wrote: >> Using a locking microbenchmark on the same system, the locking >> rates in (kops/s) were: >> >> Threads Rate w/o patch Rate with patch >> ------- -------------- --------------- >> 2 (same socket) 6,515,265 7,077,476 >> 2 (diff sockets) 2,967,145 4,353,851 > At this level stddev would be nice to have, as these sort of things have > a lot of variation. > > Out of general interest, are these microbenchmarks available? Would you > care to add something like that to perf-bench? I assume they would > probably be x86 specific.
Ingo has asked similar question and he suggested doing an user-space implementation in perf bench. I will take a further look at that when I have time.
Cheers, Longman
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