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    SubjectRe: 2.5.36-mm1 dbench 512 profiles
    On Fri, 20 Sep 2002 05:48:38 +0530, William Lee Irwin III wrote:
    >> As far as the dcache goes, I'll stick to observing and reporting. I'll
    >> rerun with dcache patches applied, though.

    On Fri, Sep 20, 2002 at 01:29:28PM +0530, Maneesh Soni wrote:
    > For a 32-way system fastwalk will perform badly from dcache_lock
    > point of view, basically due to increased lock hold time.
    > dcache_rcu-12 should reduce dcache_lock contention and hold time. The
    > patch uses RCU infrastructer patch and read_barrier_depends patch.
    > The patches are available in Read-Copy-Update section on lse site at
    > http://sourceforge.net/projects/lse

    ISTR Hubertus mentioning this at OLS, and it sounded like a problem to
    me. I'm doing some runs with this to see if it fixes the problem.


    Cheers,
    Bill
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