Date: Thu, 10 Jan 2002 11:11:35 -0800 From: Terry Lambert <tlambert2@mindspring.com> To: Garance A Drosihn <drosih@rpi.edu> Cc: smp@FreeBSD.ORG Subject: Re: Linux moves to per CPU run queues Message-ID: <3C3DE767.8A1EBD8B@mindspring.com> References: <3C3CF60B.CE5F3E6C@mindspring.com> <p05101007b862dc9d2809@[128.113.24.47]>
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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 > > 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... Or we could look at the benchmarks published about a similar approach in Dynix, back in 1991, on a 32 CPU system, and just decide that it's the right way to do things... -- Terry To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message
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