Date: Wed, 9 Jan 2002 23:33:40 -0800 (PST) From: Julian Elischer <julian@elischer.org> To: Garance A Drosihn <drosih@rpi.edu> Cc: Terry Lambert <tlambert2@mindspring.com>, smp@FreeBSD.ORG Subject: Re: Linux moves to per CPU run queues Message-ID: <Pine.BSF.4.21.0201092332090.56041-100000@InterJet.elischer.org> In-Reply-To: <p05101007b862dc9d2809@[128.113.24.47]>
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I have doubts that it will make a big differnce on busy systems with real world applications. Maybe it may help a bit with machines with many many processors. On Thu, 10 Jan 2002, Garance A Drosihn wrote: > At 6:01 PM -0800 1/9/02, Terry Lambert wrote: > >As I have been suggesting for FreeBSD for some time, Linux has > >just moved to per CPU run queues to reduce scheduler contention > >and to improve affinity. > > > >http://www.uwsg.iu.edu/hypermail/linux/kernel/0201.0/0810.html > > > >-- Terry > > Well, it's still in the testing stage, it's not like the switch > has "gone production" yet. > > It does look very interesting, and it will be good to keep track > of how well it performs as more people beat on it. There clearly > seemed to be a lot of interest for this change in the above > mailing list. There seem to be several "doubters" in the list, > so I'm sure they'll come up with several different ways to > benchmark the results. > > Always good to have a little competition in the world of ideas... > > -- > Garance Alistair Drosehn = gad@eclipse.acs.rpi.edu > Senior Systems Programmer or gad@freebsd.org > Rensselaer Polytechnic Institute or drosih@rpi.edu > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-smp" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message
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