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    SubjectRe: SLUB: The unqueued Slab allocator
    On Thu, 22 Feb 2007, Andi Kleen wrote:

    > > SLUB does not need a cache reaper for UP systems.
    > This means constructors/destructors are becomming worthless?
    > Can you describe your rationale why you think they don't make
    > sense on UP?

    Cache reaping has nothing to do with constructors and destructors. SLUB
    fully supports constructors and destructors.

    > > G. Slab merging
    > >
    > > We often have slab caches with similar parameters. SLUB detects those
    > > on bootup and merges them into the corresponding general caches. This
    > > leads to more effective memory use.
    > Did you do any tests on what that does to long term memory fragmentation?
    > It is against the "object of same type have similar livetime and should
    > be clustered together" theory at least.

    I have done no tests in that regard and we would have to assess the impact
    that the merging has to overall system behavior.

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      Last update: 2007-02-22 19:45    [W:0.018 / U:120.108 seconds]
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