From owner-freebsd-questions@FreeBSD.ORG Fri May 9 22:23:47 2008 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id F0FB5106564A for ; Fri, 9 May 2008 22:23:47 +0000 (UTC) (envelope-from m.seaman@infracaninophile.co.uk) Received: from smtp.infracaninophile.co.uk (gate6.infracaninophile.co.uk [IPv6:2001:8b0:151:1::1]) by mx1.freebsd.org (Postfix) with ESMTP id 65D8A8FC26 for ; Fri, 9 May 2008 22:23:47 +0000 (UTC) (envelope-from m.seaman@infracaninophile.co.uk) Received: from happy-idiot-talk.infracaninophile.co.uk (localhost [IPv6:::1]) (authenticated bits=0) by smtp.infracaninophile.co.uk (8.14.2/8.14.2) with ESMTP id m49MNfL5044491; Fri, 9 May 2008 23:23:42 +0100 (BST) (envelope-from m.seaman@infracaninophile.co.uk) X-DKIM: Sendmail DKIM Filter v2.5.5 smtp.infracaninophile.co.uk m49MNfL5044491 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=infracaninophile.co.uk; s=200708; t=1210371822; bh=Ha6GuRwD7J1HBc dBLLxUSDGLiPHT+C4o8v9MgTP9yzE=; h=Message-ID:Date:From:MIME-Version: To:CC:Subject:References:In-Reply-To:Content-Type:Cc:Content-Type: Date:From:In-Reply-To:Message-ID:Mime-Version:References:To; z=Mes sage-ID:=20<4824CEE7.6070605@infracaninophile.co.uk>|Date:=20Fri,=2 009=20May=202008=2023:23:35=20+0100|From:=20Matthew=20Seaman=20|Organization:=20Infracaninophile|User -Agent:=20Thunderbird=202.0.0.14=20(X11/20080503)|MIME-Version:=201 .0|To:=20Wojciech=20Puchar=20|CC:=2 0DAve=20,=20=0D=0A=20'User=20Questions'= 20|Subject:=20Re:=20FBSD=206.2=20Xeo n=202.4ghz=20CPU=20and=20high=20load|References:=20<482473B7.707070 7@pixelhammer.com>=20<48248AC9.5060507@infracaninophile.co.uk>=20<2 0080509202941.J53368@wojtek.tensor.gdynia.pl>|In-Reply-To:=20<20080 509202941.J53368@wojtek.tensor.gdynia.pl>|X-Enigmail-Version:=200.9 5.6|Content-Type:=20multipart/signed=3B=20micalg=3Dpgp-sha256=3B=0D =0A=20protocol=3D"application/pgp-signature"=3B=0D=0A=20boundary=3D "------------enig9EFE26A09F799EB2B35C7C2A"; b=blwLcd2oFQyblP2sXbMUa Q+TISPiazCaF+IzjBjgGx7iaXmNUBtmfCJn0udAnuQFGpNZuFunnFYkCjmMsglX9wPg zuT6m4Ofe6xfThZu6CykwIdy1iB1dxxb83rTTfFgAXvwhun6eHW75nEfsv5QpVR0cWo 9duKfFtegZOos5hA= Message-ID: <4824CEE7.6070605@infracaninophile.co.uk> Date: Fri, 09 May 2008 23:23:35 +0100 From: Matthew Seaman Organization: Infracaninophile User-Agent: Thunderbird 2.0.0.14 (X11/20080503) MIME-Version: 1.0 To: Wojciech Puchar References: <482473B7.7070707@pixelhammer.com> <48248AC9.5060507@infracaninophile.co.uk> <20080509202941.J53368@wojtek.tensor.gdynia.pl> In-Reply-To: <20080509202941.J53368@wojtek.tensor.gdynia.pl> X-Enigmail-Version: 0.95.6 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="------------enig9EFE26A09F799EB2B35C7C2A" X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.0 (smtp.infracaninophile.co.uk [IPv6:::1]); Fri, 09 May 2008 23:23:42 +0100 (BST) X-Virus-Scanned: ClamAV version 0.93, clamav-milter version 0.93 on happy-idiot-talk.infracaninophile.co.uk X-Virus-Status: Clean X-Spam-Status: No, score=-3.0 required=5.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VERIFIED,NO_RELAYS autolearn=ham version=3.2.4 X-Spam-Checker-Version: SpamAssassin 3.2.4 (2008-01-01) on happy-idiot-talk.infracaninophile.co.uk Cc: DAve , 'User Questions' Subject: Re: FBSD 6.2 Xeon 2.4ghz CPU and high load X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 09 May 2008 22:23:48 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig9EFE26A09F799EB2B35C7C2A Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: quoted-printable Wojciech Puchar wrote: >> FreeBSD 6.2 is I believe slower than 4.11 for single processor systems= >> and processes which pretty much run single threaded -- ie. exactly wha= t >> you're trying to run. This would cause exactly the sort of symptoms=20 >> you're >> seeing. Actually I was mistaken: I saw 4.11 and 2.4GHz Xeon and assumed the OP wa= s using 2004-era hardware. The whole "Quad Core" thing just didn't register. > and what most unix users do. It is what a lot of unix users have done historically, but now that there= is good support coming through for highly threaded, parallelized applications, de= velopers are going to write more and users are going to run more applications that= exploit that. It's not a "Unix way" versus "Other OS Way" thing -- its a response to th= e change in direction hardware development has taken over the past several years. = Chip manufacturers have all but given up on the race to outdo each other on th= e MHz or GHz rating of their products. Nowadays it's all about how many CPU co= res and how much cache RAM there is on each chip. 4 cores and 8MB is just the la= test step in that evolutionary arms race. =20 >> Try 7.0 instead -- it has all of the speed at multi-threaded, multi-co= re >> type stuff but has also regained the sort of performance levels you co= uld >=20 > so 4.11 is fastest? It depends very much on the application load you have to support and the = sort of hardware you have available. For the sort of multicore chips that are= all the rage nowadays, I'd go with 7.0 every time, even running single threaded applications. Cheers, Matthew --=20 Dr Matthew J Seaman MA, D.Phil. 7 Priory Courtyard Flat 3 PGP: http://www.infracaninophile.co.uk/pgpkey Ramsgate Kent, CT11 9PW --------------enig9EFE26A09F799EB2B35C7C2A Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (FreeBSD) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEAREIAAYFAkgkzu0ACgkQ8Mjk52CukIxAEgCfWVCJWL9Hg9Ci9XTrcPZ4rMo0 siAAoJLxdGTQqOSSjt8UflV6Bys7PnwW =RGMZ -----END PGP SIGNATURE----- --------------enig9EFE26A09F799EB2B35C7C2A--