From mboxrd@z Thu Jan 1 00:00:00 1970 From: lolkaantimat@gmail.com (Evgeniy Ivanov) Date: Fri, 1 Nov 2013 12:13:06 +0400 Subject: [lttng-dev] Userspace RCU VS spin locks In-Reply-To: <990689914.54025.1383219361284.JavaMail.zimbra@efficios.com> References: <990689914.54025.1383219361284.JavaMail.zimbra@efficios.com> Message-ID: Thanks a lot, Mathieu! On Thu, Oct 31, 2013 at 3:36 PM, Mathieu Desnoyers wrote: > ----- Original Message ----- >> From: "Evgeniy Ivanov" >> 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 >> >> _______________________________________________ >> lttng-dev mailing list >> lttng-dev at lists.lttng.org >> http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev >> > > -- > Mathieu Desnoyers > EfficiOS Inc. > http://www.efficios.com -- Cheers, Evgeniy