From owner-freebsd-performance@FreeBSD.ORG  Fri Dec 16 20:18:54 2005
Return-Path: <owner-freebsd-performance@FreeBSD.ORG>
X-Original-To: freebsd-performance@freebsd.org
Delivered-To: freebsd-performance@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id ADB8416A41F
	for <freebsd-performance@freebsd.org>;
	Fri, 16 Dec 2005 20:18:54 +0000 (GMT)
	(envelope-from gbaratto@superb.net)
Received: from smail2.superb.net (smail2.superb.net [64.251.80.10])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 4C27D43D4C
	for <freebsd-performance@freebsd.org>;
	Fri, 16 Dec 2005 20:18:54 +0000 (GMT)
	(envelope-from gbaratto@superb.net)
Received: from [64.251.80.100] (100.80.251.64.yvr1.superb.net [64.251.80.100])
	by smail2.superb.net (Postfix) with ESMTP id 898E91F2CFF;
	Fri, 16 Dec 2005 12:18:53 -0800 (PST)
Message-ID: <43A3219E.7080808@superb.net>
Date: Fri, 16 Dec 2005 12:20:46 -0800
From: "Gustavo A. Baratto" <gbaratto@superb.net>
User-Agent: Mozilla Thunderbird 1.0.7 (Windows/20050923)
X-Accept-Language: en-us, en
MIME-Version: 1.0
To: Gea-Suan Lin <gslin@gslin.org>
References: <20051216064615.GA41775@gslin.org>
In-Reply-To: <20051216064615.GA41775@gslin.org>
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
Cc: freebsd-performance@freebsd.org, leo.huang.gd@gmail.com
Subject: Re: Benchmark MySQL Performance On FreeBSD And Linux
X-BeenThere: freebsd-performance@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Performance/tuning <freebsd-performance.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-performance>,
	<mailto:freebsd-performance-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-performance>
List-Post: <mailto:freebsd-performance@freebsd.org>
List-Help: <mailto:freebsd-performance-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-performance>,
	<mailto:freebsd-performance-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 16 Dec 2005 20:18:54 -0000

So, is ULE ready for production on 6.0-RELEASE?
Can we use it without fear?

Cheers

Gea-Suan Lin wrote:
> Hi,
> 
> In http://blog.gslin.org/archives/2005/12/12/252/ we test more cases,
> and summary some important conclusions:
> 
> * SCHED_ULE (kernel options) is faster than SCHED_4BSD.
> 
> * Use kern.timecounter.choice=TSC (sysctl) will be faster than ACPI-fast
>   or ACPI-safe. (about 10% again)
> 
> And I notice you use kernel-image-2.6.8-2-686-smp in Debian, but not use
> "CPUTYPE?= p3" in /etc/make.conf to compile kernel.
> 
> And you should disable these options, it may increase ~10% again:
> 
> -cpu             I486_CPU
> -cpu             I586_CPU
>  cpu             I686_CPU
>