RE: Regression with SLUB on Netperf and Volanomark

From: Christoph Lameter
Date: Fri May 04 2007 - 21:03:06 EST


On Fri, 4 May 2007, Tim Chen wrote:

> On Thu, 2007-05-03 at 18:45 -0700, Christoph Lameter wrote:
> > Hmmmm.. One potential issues are the complicated way the slab is
> > handled. Could you try this patch and see what impact it has?
> >
> The patch boost the throughput of TCP_STREAM test by 5%, for both slab
> and slub. But slab is still 5% better in my tests.

Really? buffer head handling improves TCP performance? I think you have
run to run variances. I need to look at this myself.


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