From owner-freebsd-performance@FreeBSD.ORG Thu Dec 13 17:55:09 2007 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id F121516A417 for ; Thu, 13 Dec 2007 17:55:09 +0000 (UTC) (envelope-from gofp-freebsd-performance@m.gmane.org) Received: from ciao.gmane.org (main.gmane.org [80.91.229.2]) by mx1.freebsd.org (Postfix) with ESMTP id 8C43613C4E1 for ; Thu, 13 Dec 2007 17:55:09 +0000 (UTC) (envelope-from gofp-freebsd-performance@m.gmane.org) Received: from list by ciao.gmane.org with local (Exim 4.43) id 1J2rrv-0002hd-6b for freebsd-performance@freebsd.org; Thu, 13 Dec 2007 17:29:07 +0000 Received: from 78-1-88-159.adsl.net.t-com.hr ([78.1.88.159]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 13 Dec 2007 17:29:07 +0000 Received: from ivoras by 78-1-88-159.adsl.net.t-com.hr with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 13 Dec 2007 17:29:07 +0000 X-Injected-Via-Gmane: http://gmane.org/ To: freebsd-performance@freebsd.org From: Ivan Voras Date: Thu, 13 Dec 2007 18:22:15 +0100 Lines: 41 Message-ID: References: <963530.77689.qm@web54505.mail.re2.yahoo.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enigB2DDB6CF8976D01247E9B5EC" X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 78-1-88-159.adsl.net.t-com.hr User-Agent: Thunderbird 2.0.0.9 (Windows/20071031) In-Reply-To: <963530.77689.qm@web54505.mail.re2.yahoo.com> X-Enigmail-Version: 0.95.5 Sender: news Subject: Re: freebsd vs linux: performance problem X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 13 Dec 2007 17:55:10 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigB2DDB6CF8976D01247E9B5EC Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Shantanu Ghosh wrote: > Hi, >=20 > I am running FreeBSD 7.0 Beta1 and Linux FC6 on two identical pieces of= > hardware - Dell poweredge with intel core2 duo. Each system has 4 CPUs.= >=20 > Now, in simple memory access operations, I see the freebsd system being= > noticably slower than the linux system. A simple C program that copies > from one memory buffer to another, when executed in a loop executes > between 10-30% slower on freebsd, as compared to linux. The assembly > code of the program used for testing is identical in both the cases. AMD64 or i386 mode? Do they also have the same amount of memory? How much? --------------enigB2DDB6CF8976D01247E9B5EC Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.5 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFHYWpHldnAQVacBcgRAvZ/AKDo4l5rJlgcFtd3P/98KURVdjtjXACg+FIi 082LwcPItgHpHKIsO65sJLM= =ZSYF -----END PGP SIGNATURE----- --------------enigB2DDB6CF8976D01247E9B5EC--