linux-kernel - Re: RFC: Micro-optimize direct IO submission path

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] [day] [month] [year] [list]

Message-ID: <20110727213548.GD8006@one.firstfloor.org>
Date:	Wed, 27 Jul 2011 23:35:48 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	Andi Kleen <andi@...stfloor.org>, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org, dehrenberg@...gle.com
Subject: Re: RFC: Micro-optimize direct IO submission path

On Wed, Jul 27, 2011 at 05:06:06PM -0400, Christoph Hellwig wrote:
> Any chance you could resend these against current mainline?  It would
> be sad to miss these easy optimizations.

I was waiting for the benchmarkers to rerun them.

I had done an additional prefetch optimization that seemed to give
1% more on a big benchmark for one result, but there was another
suspicious one.

Hopefully soon.

-Andi
-- 
ak@...ux.intel.com -- Speaking for myself only.
--
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/