RE: Regression with SLUB on Netperf and Volanomark

From: Tim Chen
Date: Fri May 04 2007 - 20:34:05 EST


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.

> If it has any then remove the cachline alignment and see how that
> influences things.

Removing the cacheline alignment didn't change the throughput.

Tim
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