From: Ravikiran G Thirumalai <kiran@scalex86.org>
To: Laurent Vivier <Laurent.Vivier@bull.net>
Cc: Mingming Cao <cmm@us.ibm.com>, Andrew Morton <akpm@osdl.org>,
Takashi Sato <sho@tnes.nec.co.jp>,
linux-kernel@vger.kernel.org,
ext2-devel <ext2-devel@lists.sourceforge.net>,
linux-fsdevel@vger.kernel.org
Subject: Re: [Ext2-devel] Re: [RFC][PATCH 0/2]Extend ext3 filesystem limit from 8TB to 16TB
Date: Fri, 14 Apr 2006 10:23:01 -0700 [thread overview]
Message-ID: <20060414172301.GB3740@localhost.localdomain> (raw)
In-Reply-To: <1144739259.9786.5.camel@openx2.frec.bull.fr>
Hi Laurent,
On Tue, Apr 11, 2006 at 09:07:39AM +0200, Laurent Vivier wrote:
> ...
> I made some tests with iozone on 2 CPU hyperthreaded computer (= 4 CPUs,
> Bull Express 5800 120 Lh), and it seems atomic_t is faster than
> "percpu_counter". I'll try to make some tests on IBM x440 (8 CPUs, 16 if
> hyperthreaded) with iozone and sysbench.
> Moreover, I think percpu_counter uses a lot of memory...
Was this just one iozone thread doing io? What was the performance
difference? Please let me know what kind of test you are doing, and I can
run the same on an IBM x460 with 16 cores here.
Thanks,
Kiran
next prev parent reply other threads:[~2006-04-14 17:22 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-25 13:33 [Ext2-devel] [PATCH 2/2] ext2/3: Support2^32-1blocks(e2fsprogs) sho
2006-03-26 22:37 ` Badari Pulavarty
2006-03-27 4:17 ` Takashi Sato
2006-03-27 18:45 ` Mingming Cao
2006-03-27 21:10 ` Andrew Morton
2006-03-27 22:58 ` Ravikiran G Thirumalai
2006-03-28 7:15 ` Laurent Vivier
2006-03-28 8:02 ` Ravikiran G Thirumalai
2006-03-28 10:34 ` Laurent Vivier
2006-03-28 18:01 ` Mingming Cao
2006-03-29 9:13 ` Laurent Vivier
[not found] ` <1143657317.4045.12.camel@dyn9047017067.beaverton.ibm.com>
2006-03-29 20:00 ` Ravikiran G Thirumalai
2006-03-29 20:38 ` Mingming Cao
2006-03-30 8:41 ` Ravikiran G Thirumalai
2006-03-30 1:38 ` [RFC][PATCH 0/2]Extend ext3 filesystem limit from 8TB to 16TB Mingming Cao
2006-03-30 1:54 ` Andrew Morton
2006-03-30 1:54 ` Andrew Morton
2006-03-31 22:42 ` Mingming Cao
2006-04-02 20:13 ` Mingming Cao
2006-04-10 9:11 ` [Ext2-devel] " Laurent Vivier
2006-04-10 8:24 ` Andrew Morton
2006-04-13 15:26 ` Laurent Vivier
2006-04-17 21:07 ` Ravikiran G Thirumalai
2006-04-17 21:07 ` Ravikiran G Thirumalai
2006-04-17 21:09 ` Arjan van de Ven
2006-04-17 21:32 ` Ravikiran G Thirumalai
2006-04-18 7:14 ` Laurent Vivier
2006-04-18 7:14 ` Laurent Vivier
2006-04-18 7:30 ` [Ext2-devel] " Arjan van de Ven
2006-04-18 7:30 ` Arjan van de Ven
2006-04-18 10:57 ` Laurent Vivier
2006-04-18 19:08 ` Ravikiran G Thirumalai
2006-04-18 14:09 ` Laurent Vivier
2006-04-18 14:09 ` Laurent Vivier
2006-04-18 21:01 ` [Ext2-devel] " Mingming Cao
2006-04-18 21:01 ` Mingming Cao
2006-04-20 11:28 ` Laurent Vivier
2006-04-20 14:39 ` Laurent Vivier
2006-04-21 11:17 ` [Ext2-devel] " Laurent Vivier
2006-04-10 16:57 ` Mingming Cao
2006-04-10 16:57 ` Mingming Cao
2006-04-10 19:06 ` Mingming Cao
2006-04-10 19:06 ` Mingming Cao
2006-04-11 7:07 ` Laurent Vivier
2006-04-11 7:07 ` Laurent Vivier
2006-04-14 17:23 ` Ravikiran G Thirumalai [this message]
2006-03-30 17:36 ` Andreas Dilger
2006-03-30 19:01 ` Mingming Cao
2006-03-30 17:40 ` Andreas Dilger
2006-03-30 19:16 ` Mingming Cao
2006-03-30 19:22 ` Mingming Cao
2006-03-31 6:42 ` Andreas Dilger
2006-03-31 13:33 ` Andi Kleen
2006-04-01 6:50 ` Nathan Scott
2006-05-26 5:00 ` [PATCH 0/2]Define ext3 in-kernel filesystem block types and extend " Mingming Cao
2006-05-26 18:08 ` Andrew Morton
2006-05-30 17:55 ` Mingming Cao
2006-03-30 1:39 ` [RFC][PATCH 1/2]ext3 block allocation/reservation fixes to support 2**32 block numbers Mingming Cao
2006-03-30 1:39 ` [RFC][PATCH 2/2]Other ext3 in-kernel block number type fix " Mingming Cao
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