linux-kernel - Re: [ANNOUNCE] kmemcheck v7

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <e2e108260805100629q2cd2aa12w3a7388a34815425c@mail.gmail.com>
Date:	Sat, 10 May 2008 15:29:33 +0200
From:	"Bart Van Assche" <bart.vanassche@...il.com>
To:	"Vegard Nossum" <vegard.nossum@...il.com>
Cc:	"John Reiser" <jreiser@...wagon.com>,
	"Pekka Enberg" <penberg@...helsinki.fi>,
	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
	"Ingo Molnar" <mingo@...e.hu>,
	"Peter Zijlstra" <a.p.zijlstra@...llo.nl>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	"Christoph Lameter" <clameter@....com>,
	"Daniel Walker" <dwalker@...sta.com>,
	"Andi Kleen" <andi@...stfloor.org>,
	"Randy Dunlap" <randy.dunlap@...cle.com>,
	"Josh Aune" <luken@...er.org>, "Pekka Paalanen" <pq@....fi>
Subject: Re: [ANNOUNCE] kmemcheck v7

On Sat, May 10, 2008 at 2:02 PM, Vegard Nossum <vegard.nossum@...il.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.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/