From owner-freebsd-current@FreeBSD.ORG Wed Feb 15 10:00:31 2012 Return-Path: Delivered-To: current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id A1EF4106567D for ; Wed, 15 Feb 2012 10:00:31 +0000 (UTC) (envelope-from h.schmalzbauer@omnilan.de) Received: from host.omnilan.net (s1.omnilan.net [62.245.232.135]) by mx1.freebsd.org (Postfix) with ESMTP id 1DB398FC17 for ; Wed, 15 Feb 2012 10:00:30 +0000 (UTC) Received: from titan.wdn.omnilan.net (titan.lo4.wdn.omnilan.net [172.21.1.150]) (authenticated bits=0) by host.omnilan.net (8.13.8/8.13.8) with ESMTP id q1F9l2GW045210 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 15 Feb 2012 10:47:02 +0100 (CET) (envelope-from h.schmalzbauer@omnilan.de) X-Authentication-Warning: smtp.dmz.omnisec.de: Host titan.lo4.wdn.omnilan.net [172.21.1.150] claimed to be titan.wdn.omnilan.net Message-ID: <4F3B7F16.4090401@omnilan.de> Date: Wed, 15 Feb 2012 10:47:02 +0100 From: Harald Schmalzbauer Organization: OmniLAN User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; de-DE; rv:1.9.2.8) Gecko/20100906 Lightning/1.0b2 Thunderbird/3.1.2 MIME-Version: 1.0 To: Mehmet Erol Sanliturk References: In-Reply-To: X-Enigmail-Version: 1.1.2 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig9AAB3707A0174B5BE25A9954" Cc: FreeBSD Current Subject: Re: Effect of Processor and Memory on KDE4 execution speed X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 15 Feb 2012 10:00:31 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig9AAB3707A0174B5BE25A9954 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable schrieb Mehmet Erol Sanliturk am 14.02.2012 15:39 (localtime): > Dear All , > > Today I have encountered a case which I think informing you about it ma= y be > useful . > > In my previous messages , I have mentioned very slowness of KDE4 . > > > Onto another computer I have installed DruidBSD 9.0 b56 amd64 , and KDE= 4 . > In that installation KDE4 worked surprisingly fast . > > To understand whether difference is among FreeBSD or DruidBSD , I have > installed > FreeBSD 9.0 Release amd64 and KDE4 on the same computer instead of Drui= dBSD > . > > The KDE4 has worked flawlesly i.e. , means very fast . > > To make equivalent the installations on both computers , I have install= ed > FreeBSD 9.0 Release amd64 and KDE4 on the slow computer exactly as in f= ast > computer . > > > Starting times after first boot ( to eliminate initialization effects )= are > the following > ( All timings are from "root" ) : > > > >From "startx" ( which contains "exec ... kde4 ..." ) > to appearance of KDE menu symbol at the bottom left corner : > > > Fast computer : 8 GB : 0+ ( < 1 ) minute ( 4 x 2 GB ) > Slow computer : 4 GB : 2+ ( < 3 ) minutes ( 2 x 2 GB ) ( 2 x ! GB chips= > removed ) , > 6 GB : 8+ ( < 9 ) minutes ( 2 x ( 2 , 1 ) GB ) . > ( Memory chip installation conforms to main board manua= l . ) > ( The clock does not have second counter . ) > > Fast Computer > CPU : Intel Pentium Dual CPU E2220 @ 2.40 GHz ( 2397.65-MHz K-8class = CPU ) > ACPI APIC Table : < INTEL DG965WH > > > Slow Computer > CPU : Intel Core 2 QUAD CPU Q6600 @ 2.40 GHz ( 2397.65-MHz K-8class C= PU ) > ACPI APIC Table : < INTEL DG965WH > > > ( The main boards are the same ) . > ( All of the memory chips are the same : Kingston HyperX 800 MHz ) > > > > I could not understand the reason(s) of the differences . > > > Boot DMESG outputs are attached . > Compare 'sysctl kern.timecounter'. That's the only difference I could see. Also, I'd try to disable two cores in the bios of the quad-core machine and see if it changes anything. Just to rule out scheduler issues. Have you tried memtest86 to see if RAM throughput and CPU-cache rates are comparable? -Harry --------------enig9AAB3707A0174B5BE25A9954 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.18 (FreeBSD) iEYEARECAAYFAk87fxYACgkQLDqVQ9VXb8gVmACfbm2U6f9+n3XmU2n7iAyS7q1Z W6YAn1LFD/YifvrPTbmGOY94hS/kcbm5 =UQ8S -----END PGP SIGNATURE----- --------------enig9AAB3707A0174B5BE25A9954--