[lttng-dev] Userspace RCU VS spin locks

[lttng-dev] Userspace RCU VS spin locks

[Evgeniy Ivanov]

Thanks a lot, Mathieu!

On Thu, Oct 31, 2013 at 3:36 PM, Mathieu Desnoyers
<mathieu.desnoyers at efficios.com> wrote:
> ----- Original Message -----
>> From: "Evgeniy Ivanov" <lolkaantimat@gmail.com>
>> To: lttng-dev at lists.lttng.org
>> Sent: Wednesday, October 30, 2013 9:11:47 AM
>> Subject: [lttng-dev] Userspace RCU VS spin locks
>>
>> Hi,
>>
>> I'm very interested in RCU performance, especially applied to hash
>> tables (rculfhash in particular). Did any body compare performance of
>> QSBR or signal RCU VS scalable and non-scalable spin locks?
>>
>
> Hi Evgeniy,
>
> You'll probably want to start by looking at my Linux Plumbers slides presenting rculfhash:
>
> https://www.efficios.com/lpc2011-urcu
>
> Also, Paul McKenney's slides of the Userspace RCU tutorial here present other numbers of a hash table example (including bucket-locks), AFAIK using his own statically sized hash table implementation (not rculfhash):
>
> https://events.linuxfoundation.org/sites/events/files/slides/userspace-rcu-tutorial-linuxcon-2013.pdf
>
> Thanks,
>
> Mathieu
>
>
>
>> --
>> Cheers,
>> Evgeniy
>>
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>>
>
> --
> Mathieu Desnoyers
> EfficiOS Inc.
> http://www.efficios.com



-- 
Cheers,
Evgeniy