On Wed, 16 Aug 2006, Andi Kleen wrote:
> What other ones do we have?
vmalloc and the page allocators you derive from others using the
framework.
> > 1. shrink_slab takes a function to move object. Using that
> > function slabs can be defragmented to ease slab reclaim.
>
> Does that help with the inefficient dcache/icache pruning?
It will fix that if the dcache/icache would provide a move object
function.
>
> > - No support for pagese
>
> What does that mean?
That was just clutter. Sorry.
>
> > Performance tests with AIM7 on an 8p Itanium machine (4 NUMA nodes)
> > (Memory spreading active which means that we do not take advantage of NUMA locality
> > in favor of load balancing)
>
> Hmm, i'm not sure how allocator intensive AIM7 is. I guess networking
> would be a good test because it is very sensitive to allocator performance.
> Perhaps also check with the routing people on netdev -- they seem to be able
> to stress the allocator very much.
Yeah, well I think the implementations could be much more sophisticated
and one should do better tests but I am not sure how much time I can spend
on them.
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