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    SubjectRe: [PATCH] reduce inter-node balancing frequency
    On Thursday, July 15, 2004 8:14 pm, Martin J. Bligh wrote:
    > > Nick, we've had this patch floating around for awhile now and I'm
    > > wondering what you think. It's needed to boot systems with lots (e.g.
    > > 256) nodes, but could probably be done another way. Do you think we
    > > should create a scheduler domain for every 64 nodes or something?
    > I think that'd make a lot of sense ...

    Yeah, though a smaller number of nodes would probably make more sense :)

    > > Any other NUMA folks have thoughts about these values?
    > Yeah, change them in arch specific code, not in the global stuff ;-)

    What, you mean we're the only ones with 256 nodes?

    > But seeing as they're dependant (for you) on machine size, as well as
    > arch type, you probably need to do something cleverer in
    > arch_init_sched_domain

    Ok, I'll check that out.

    > But the big bugaboo is arch-specific vs general ... we need to break
    > opteron vs i386 vs ia64 out from each other ... they all need different
    > coefficients.
    > If you were going to be really fancy, we could do it in common code off
    > the topology stuff ... but for now, I think it's easier to just set 'em
    > per arch ...

    We may have enough information to do that already... I'll look.

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