Re: [PATCH v2 0/5] Add NUMA-awareness to qspinlock

From: Alex Kogan
Date: Wed Apr 03 2019 - 13:14:12 EST



> On Apr 1, 2019, at 5:09 AM, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
>
> On Fri, Mar 29, 2019 at 11:20:01AM -0400, Alex Kogan wrote:
>> The following locktorture results are from an Oracle X5-4 server
>> (four Intel Xeon E7-8895 v3 @ 2.60GHz sockets with 18 hyperthreaded
>> cores each).
>
> The other interesting number is on a !NUMA machine. What do these
> patches do there? Remember, most people do not in fact have numa.
I will make sure to include numbers from a !NUMA machine in the next revision of the patch.

Regards,
â Alex