From: "Bart Van Assche" <bart.vanassche@gmail.com>
To: "Vegard Nossum" <vegard.nossum@gmail.com>
Cc: "John Reiser" <jreiser@bitwagon.com>,
"Pekka Enberg" <penberg@cs.helsinki.fi>,
"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
"Ingo Molnar" <mingo@elte.hu>,
"Peter Zijlstra" <a.p.zijlstra@chello.nl>,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
"Christoph Lameter" <clameter@sgi.com>,
"Daniel Walker" <dwalker@mvista.com>,
"Andi Kleen" <andi@firstfloor.org>,
"Randy Dunlap" <randy.dunlap@oracle.com>,
"Josh Aune" <luken@omner.org>, "Pekka Paalanen" <pq@iki.fi>
Subject: Re: [ANNOUNCE] kmemcheck v7
Date: Sat, 10 May 2008 15:29:33 +0200 [thread overview]
Message-ID: <e2e108260805100629q2cd2aa12w3a7388a34815425c@mail.gmail.com> (raw)
In-Reply-To: <19f34abd0805100502k150e3636x33831230d688dd92@mail.gmail.com>
On Sat, May 10, 2008 at 2:02 PM, Vegard Nossum <vegard.nossum@gmail.com> wrote:
> However, memory usage doesn't seem to be much of a problem. I actually
> think it might be worth saving the CPU cycles that are needed for the
> lookups/bit operations (memory is cheap, cycles aren't).
Keep in mind that a reduction in memory usage may reduce the number of
cache misses, and that the improved caching behavior may outweigh the
extra CPU cycles needed for the bit operations.
Bart.
next prev parent reply other threads:[~2008-05-10 13:29 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-04 13:44 Vegard Nossum
2008-04-04 13:45 ` [PATCH 1/3] kmemcheck: add the kmemcheck core Vegard Nossum
2008-04-04 13:46 ` [PATCH 2/3] x86: add hooks for kmemcheck Vegard Nossum
2008-04-04 13:47 ` [PATCH 3/3] slub: " Vegard Nossum
2008-05-10 9:07 ` [ANNOUNCE] kmemcheck v7 Bart Van Assche
2008-05-10 9:06 ` Pekka Enberg
2008-05-10 11:04 ` Bart Van Assche
2008-05-10 12:02 ` Vegard Nossum
2008-05-10 12:37 ` Andi Kleen
2008-05-10 13:22 ` Bart Van Assche
2008-05-10 17:17 ` Jeremy Fitzhardinge
2008-05-10 17:48 ` Andi Kleen
2008-05-10 20:45 ` Jeremy Fitzhardinge
2008-05-10 21:29 ` John Reiser
2008-05-10 23:05 ` Jeremy Fitzhardinge
2008-05-10 21:31 ` Andi Kleen
2008-05-10 22:59 ` Jeremy Fitzhardinge
2008-05-10 13:29 ` Bart Van Assche [this message]
2008-05-10 17:17 ` Jeremy Fitzhardinge
2008-05-10 20:35 ` Jeff Dike
2008-05-11 11:23 ` John Reiser
2008-05-11 12:08 ` John Reiser
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