[Bug nptl/23962] Very high overhead of pthread_spin_lock on multi-node NUMA systems

[carlos at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=23962

Carlos O'Donell <carlos at redhat dot com> changed:

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                 CC|                            |carlos at redhat dot com

--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to H.J. Lu from comment #0)
> Created attachment 11437 [details]
> A workload with pthread_spin_lock
> 
> This workload with pthread_spin_lock shows that:

... what is the solution? Implement MCS locks in userspace using per-cpu data?

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