Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933874AbWK0WBd (ORCPT ); Mon, 27 Nov 2006 17:01:33 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933875AbWK0WBd (ORCPT ); Mon, 27 Nov 2006 17:01:33 -0500 Received: from wx-out-0506.google.com ([66.249.82.233]:54390 "EHLO wx-out-0506.google.com") by vger.kernel.org with ESMTP id S933874AbWK0WBc (ORCPT ); Mon, 27 Nov 2006 17:01:32 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=okezBmI3NKu0Uuy2RkVF3IjbQdrT7VJaK9Lj7MjSz3UbZ20v1rjC1tYsVdmj7nlzNIOqrg+8rb85ZW2nCDMv0BlJjdLAPfbLw8OjqacxAz+E+o4ivLOmzaPGka/S0zSeC4f2DMcG+OAeiD8D917GRkDJ0Bi0a7jein8vx+7WV0o= Message-ID: <5c49b0ed0611271401g13ce1c33v1bcc35443dfe73ab@mail.gmail.com> Date: Mon, 27 Nov 2006 14:01:31 -0800 From: "Nate Diller" To: "Andrew Morton" , linux-kernel@vger.kernel.org, "Steven Pratt" , "Ram Pai" , "Neil Brown" , Voluspa , "Linux Portal" Subject: Re: Adaptive readahead V16 benchmarks In-Reply-To: <364437345.17522@ustc.edu.cn> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <364437345.17522@ustc.edu.cn> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 971 Lines: 26 On 11/24/06, Fengguang Wu wrote: > Andrew, > > Here are some benchmarks for the latest adaptive readahead patchset. > > Most benchmarks have 3+ runs and have the numbers averaged. > However some testing times are short and not quite stable. > > Most of them are carried out on my PC: > Seagate ST3250820A 250G/8M IDE disk, 512M Memory, AMD Sempron 2200+ > > Basic conclusions: > - equivalent performance in normal cases > - much better in: busy NFS server; sparse/backward reading > - adapts to memory size very well on randomly loading a file These results look really good, and the code seems to be at least as well-structured as the previous code. I think this argues for inclusion. NATE - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/