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

[hjl.tools at gmail dot com]

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

--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Carlos O'Donell from comment #1)
> (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?

We are working on a solution which will use my new getcpu wrapper.

-- 
You are receiving this mail because:
You are on the CC list for the bug.