linux-kernel - Re: HPL Benchmark performance degradation of kernel 2.6.24.3 vs 2.6.23.14

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: <1204484576.6240.53.camel@lappy>
Date:	Sun, 02 Mar 2008 20:02:56 +0100
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Eric Dumazet <dada1@...mosbay.com>
Cc:	Allan Menezes <amenezes007@...patico.ca>,
	linux-kernel@...r.kernel.org
Subject: Re: HPL Benchmark performance degradation of kernel 2.6.24.3 vs
	2.6.23.14


On Sun, 2008-03-02 at 19:48 +0100, Eric Dumazet wrote:

> Examining your .config, I would point out CONFIG_SLUB_DEBUG=y
> You really should disable this expensive option.

CONFIG_SLUB_DEBUG_ON is the expensive one.

> (and possibly use CONFIG_SLAB instead of CONFIG_SLUB)

That is a good thing to test indeed.

--
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/