linux-kernel - RE: Regression with SLUB on Netperf and Volanomark

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Date:	Thu, 3 May 2007 19:42:03 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	"Chen, Tim C" <tim.c.chen@...el.com>
cc:	Tim Chen <tim.c.chen@...ux.intel.com>,
	"Siddha, Suresh B" <suresh.b.siddha@...el.com>,
	"Zhang, Yanmin" <yanmin.zhang@...el.com>,
	"Wang, Peter Xihong" <peter.xihong.wang@...el.com>,
	Arjan van de Ven <arjan@...radead.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: RE: Regression with SLUB on Netperf and Volanomark

Hmmmm... I do not see a regression (up to date slub with all outstanding 
patches applied). This is without any options enabled (but antifrag 
patches are present so slub_max_order=4 slub_min_objects=16) Could you 
post a .config? Missing patches against 2.6.21-rc7-mm2 can be found at 
http://ftp.kernel.org/pub/linux/kernel/peopl/christoph/slub-patches

slab

TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to localhost 
(127.0.0.1) port 0 AF_INET
Recv   Send    Send
Socket Socket  Message  Elapsed
Size   Size    Size     Time     Throughput
bytes  bytes   bytes    secs.    10^6bits/sec

 87380  16384  16384    10.01    6068.61
 87380  16384  16384    10.01    5877.91
 87380  16384  16384    10.01    5835.68
 87380  16384  16384    10.01    5840.58

slub

TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to localhost (127.0.0.1) port 0 AF_INET
Recv   Send    Send
Socket Socket  Message  Elapsed
Size   Size    Size     Time     Throughput
bytes  bytes   bytes    secs.    10^6bits/sec

 87380  16384  16384    10.53    5646.53
 87380  16384  16384    10.01    6073.09
 87380  16384  16384    10.01    6094.68
 87380  16384  16384    10.01    6088.50

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