Re: [PATCH v3 2/7] locking/pvqspinlock: Add pending bit support

From: Davidlohr Bueso
Date: Sun Jul 26 2015 - 19:48:44 EST


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.

Thanks,
Davidlohr


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