From owner-freebsd-questions@FreeBSD.ORG Fri Dec 10 23:21:41 2004 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 2DA8216A4CE for ; Fri, 10 Dec 2004 23:21:41 +0000 (GMT) Received: from kenmore.kozy-kabin.nl (fia148-72.dsl.hccnet.nl [62.251.72.148]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1B20F43D62 for ; Fri, 10 Dec 2004 23:21:40 +0000 (GMT) (envelope-from colin@kozy-kabin.nl) Received: from localhost (colin@localhost) by kenmore.kozy-kabin.nl (8.11.6p2/8.11.6) with ESMTP id iBB0I6T05269; Sat, 11 Dec 2004 00:18:07 GMT X-Authentication-Warning: kenmore.kozy-kabin.nl: colin owned process doing -bs Date: Sat, 11 Dec 2004 00:18:06 +0000 From: "Colin J. Raven" To: Lucas Holt In-Reply-To: <143963B7-4AFE-11D9-B1B3-000A95EFF4CA@foolishgames.com> Message-ID: References: <36661.194.210.13.66.1102680032.squirrel@194.210.13.66> <41B9F042.4040700@raad.tartu.ee> <143963B7-4AFE-11D9-B1B3-000A95EFF4CA@foolishgames.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed cc: FreeBSD Questions Subject: Re: [Fwd: HTT/SMP servers instability on 5.3-STABLE] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 10 Dec 2004 23:21:41 -0000 On Dec 10, Lucas Holt launched this into the bitstream: > >>> >> >> Well thanks for sharing those observations. Until I read what you said I >> *assumed* that there was a performance difference with HTT enabled. The >> specs seem to show that there *is* a theoretical difference, yet clearly >> according to your observations there just isn't any difference of earth >> shaking proportions. >> >> > > > I've got a dual xeon 2.0 ghz workstation. I've tried running with and > without HTT enabled on it. My observations were that it seemed to help > slightly with certain tasks but in general degraded system performance. For > example, if i build a world to upgrade the OS it takes at least 30 seconds > longer with HTT enabled. I tried it multiple times to verify it. I even > tried it with different values for the j flag. (3 4 5 and 6) > > Similarly, if i run it in windows with HTT enabled I noticed that windows was > peppy but it was a disaster during gaming. Of course that makes sense as > most of my games are not designed for multiple cpus. (enemy territory, quake > 3, Doom 3, etc) I also realize i could play some of them in fbsd, except my > radeon 9600 xt isn't supported for 3d acceleration! > > > This is *most* surprising but extremely useful information, many thanks for taking the time to impart first hand experiences.