On Thu, 16 Sep 1999, Keith Stevenson wrote: > On Thu, Sep 16, 1999 at 12:25:52PM +0000, greg wrote: > > I'm trying to run 1-2 processes with very large memory footprints on my P2 > > SMP > > machine. I'm finding that the process switches cpu's quite often, which > > obviously isn't good for the caches on the CPU. > > > > Can anybody point me to a paper, mailing list discussion, etc. that > > discusses > > scheduling processes to not thrash the cpu caches? Or if there's anything > > in > > place, how I can take advantage of it, etc. I got stumped on the idea a > > while > > ago, so I'm really curious... > > <Disclaimer> > All I've heard is a marketing presentation. I haven't seen this is the real > world yet. > </Disclaimer> > > IBM just released a new version of AIX (4.3.3). One of the big features is > CPU affinity in order to made better use of the CPU caches. They claim to > have done this be having a separate run queue for each CPU.
Someone posted some stuff about this to -SMP a bit ago. They had produced a cheduler that prefereed to run a process on the cpu it last ran on. Go check the archives. Would have been 6 or 8 weeks ago, I think David To Unsubscribe: send mail to majord...@freebsd.org with "unsubscribe freebsd-hackers" in the body of the message
