From: Arjan van de Ven <arjan@fenrus.demon.nl>
To: Andrea Arcangeli <andrea@suse.de>
Cc: Ingo Molnar <mingo@elte.hu>, Eric Whiting <ewhiting@amis.com>,
akpm@osdl.org, linux-kernel@vger.kernel.org,
Pete Zaitcev <zaitcev@redhat.com>
Subject: Re: -mmX 4G patches feedback [numbers: how much performance impact]
Date: Tue, 06 Apr 2004 18:13:39 +0200 [thread overview]
Message-ID: <1081268018.4680.6.camel@laptop.fenrus.com> (raw)
In-Reply-To: <20040406155925.GW2234@dualathlon.random>
On Tue, 2004-04-06 at 17:59, Andrea Arcangeli wrote:
> You should also use a bleeding edge cpu for you measurements with large
> tlb caches, which cpu did you use for your measurements?
afaics all Intel and AMD cpus with more than say 32 or 64 TLB's are
actually 64 bit capable.... so obviously you run a 64 bit kernel there.
(and amd64 even has that sweet CAM filter on the tlbs to mitigate the
effect even if you run a 32 bit kernel)
next prev parent reply other threads:[~2004-04-06 16:14 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-05 16:36 -mmX 4G patches feedback Eric Whiting
2004-04-05 17:46 ` Andrea Arcangeli
2004-04-05 21:35 ` Eric Whiting
2004-04-05 22:16 ` Andrea Arcangeli
2004-04-06 11:55 ` -mmX 4G patches feedback [numbers: how much performance impact] Ingo Molnar
2004-04-06 14:49 ` Eric Whiting
2004-04-06 15:59 ` Andrea Arcangeli
2004-04-06 16:13 ` Arjan van de Ven [this message]
2004-04-06 16:39 ` Andrea Arcangeli
2004-04-06 17:24 ` Ingo Molnar
2004-04-06 17:57 ` Andrea Arcangeli
2004-04-07 22:54 ` Martin J. Bligh
2004-04-07 22:50 ` Andrea Arcangeli
2004-04-06 19:25 ` Ingo Molnar
2004-04-06 20:25 ` Andrea Arcangeli
2004-04-07 6:03 ` Andrea Arcangeli
2004-04-07 6:46 ` Ingo Molnar
2004-04-07 7:23 ` Andrea Arcangeli
2004-04-07 8:23 ` Ingo Molnar
2004-04-07 21:35 ` Andrea Arcangeli
2004-04-07 17:27 ` Andrea Arcangeli
2004-04-07 7:25 ` Ingo Molnar
2004-04-07 21:39 ` Andrea Arcangeli
2004-04-07 22:58 ` Martin J. Bligh
2004-04-07 23:01 ` Andrea Arcangeli
2004-04-07 23:21 ` Martin J. Bligh
2004-04-07 23:18 ` Andrea Arcangeli
2004-04-07 23:34 ` Martin J. Bligh
2004-04-08 0:18 ` Andrea Arcangeli
2004-04-08 6:24 ` Martin J. Bligh
2004-04-08 21:59 ` Andrea Arcangeli
2004-04-08 22:19 ` Martin J. Bligh
2004-04-08 22:19 ` Andrea Arcangeli
2004-04-08 23:14 ` Martin J. Bligh
2004-04-08 23:22 ` Andrea Arcangeli
2004-04-08 23:42 ` Martin J. Bligh
2004-04-08 23:49 ` Andrea Arcangeli
2004-04-07 21:19 ` -mmX 4G patches feedback Martin J. Bligh
2004-04-07 21:49 ` Andrea Arcangeli
2004-04-06 17:59 -mmX 4G patches feedback [numbers: how much performance impact] Manfred Spraul
2004-04-06 18:41 ` Andrea Arcangeli
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