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    SubjectRe: volano ~30% regression with 2.6.33-rc1 & -rc2
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    On Mon, 2010-01-04 at 20:40 +0800, Arjan van de Ven wrote:
    > On Mon, 04 Jan 2010 16:15:58 +0800
    > Lin Ming <ming.m.lin@intel.com> wrote:
    >
    > > Mike & Peter,
    > >
    > > Compared with 2.6.32, volano has ~30% regression with 2.6.33-rc1 &
    > > -rc2. Testing machine: Tigerton Xeon, 16cpus(4P/4Core), 16G memory
    >
    > did this show up only on this cpu?
    > (since this is a multi-core-without-shared-cache cpu, it could be that
    > we get the topology wrong and think cores share cache where they don't)

    Tulsa machine(16cpus, 4P/2Core/HT) also has ~8% regression
    and it's now fixed by Mike's patch.

    Lin Ming



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