On Wed, 6 Nov 2002, Robert Olsson wrote:
>
> Well skb recycling is "research" and should be used to challange to vm/slab
> people to start with... And I guess you will get objections about the extra
> stats as well.
It's ok for syncing with current kernel driver i suppose.
The patch that should be considered for merging really is:
http://www.cyberus.ca/~hadi/patches/tulip-2419-napi-nifd.gz
which looks suspiciouly similar to his patch if you remove the
experimental stuff.
>
> I see you increased the RX-ring to 1024 pkts.
> Did you really see any improvement with this?
>
> Also I would be interested if you have any numbers for recycling patch?
>
> Jamal and I spent some days after OLS to test and tune but it wasn't to
> promising at that time but it's reworked now.
>
I think the numbers we saw were upto 20% increase with uniprocessor (AMD
1Gig) and about 5% increase with dual SMP(PII-450s). In the case of SMP,
we concluded that the slab was screwing us.
In any case, this WIP ...
cheers,
jamal
|