Re: 2.6.4-rc1-mm1

[Nick Piggin]

Nick Piggin wrote:

> Andrew Morton wrote:
>
> > One point I would make is that if a workload is only achieving 5% CPU
> > anyway, we shouldn't optimise for it.  Sure, it's nice to be able to 
> > get it
> > up to 7% but it is much more important to get the 50% CPU workload up to
> > 70%.  The 5% problem is a fiscal one, not an engineering one ;)
>
> I agree. I'm much more interested in getting light and medium swapping
> working better.

Just so I'm not misunderstood, I must add that I found Nikita's
patch to definitely help light and medium swapping kbuild runs.
The fact that it *really* helped heavy swapping is a bonus.

But I agree that we need more meaningful tests too. Maybe things
like overloading apache or a mail or database server might be
interesting.

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