From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Cs7J8-0004b5-NH for qemu-devel@nongnu.org; Fri, 21 Jan 2005 17:31:10 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1Cs7Iz-0004Xp-02 for qemu-devel@nongnu.org; Fri, 21 Jan 2005 17:31:01 -0500 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Cs7Iy-0004Q4-3z for qemu-devel@nongnu.org; Fri, 21 Jan 2005 17:31:00 -0500 Received: from [38.113.3.71] (helo=smtp-out.hotpop.com) by monty-python.gnu.org with esmtp (Exim 4.34) id 1Cs6pD-0004fc-CL for qemu-devel@nongnu.org; Fri, 21 Jan 2005 17:00:15 -0500 Received: from phreaker.net (kubrick.hotpop.com [38.113.3.103]) by smtp-out.hotpop.com (Postfix) with SMTP id 5E539135DBF4 for ; Fri, 21 Jan 2005 22:00:05 +0000 (UTC) Received: from jbrown.mylinuxbox.org (pcp03144805pcs.midval01.tn.comcast.net [68.59.228.236]) by smtp-2.hotpop.com (Postfix) with ESMTP id 39087D40C64 for ; Fri, 21 Jan 2005 22:00:04 +0000 (UTC) Date: Fri, 21 Jan 2005 16:59:55 -0500 From: "Jim C. Brown" Subject: Re: [Qemu-devel] Re: Qemu-devel Digest, Vol 22, Issue 46 Message-ID: <20050121215955.GA13757@jbrown.mylinuxbox.org> References: <200501212010.j0LKA1XT001930@jdesk.thechesterfields.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org On Fri, Jan 21, 2005 at 08:53:55PM +0000, Julian Chesterfield wrote: > > > On Fri, Jan 21, 2005 at 03:52:43PM +0000, Julian Chesterfield wrote: > > >> My understanding is that Qemu does not support hyperthreading in the > >host > >> OS. > > > > > >You mean guest OS, right? > > Actually I was thinking about the host! Why??? Hyperthreading, or even true SMP, has no effect on qemu whatsoever. > > >It shouldn't make a different if the host OS > >uses it > >or not. > > > > Excuse my ignorance but is this because there is no > potential for parallelising tasks in qemu to take advantage of idle > CPU cycles? I don't know about "potential" ... it is possible, but afaik it isn't done currently in qemu. > > - Julian > > > > _______________________________________________ > Qemu-devel mailing list > Qemu-devel@nongnu.org > http://lists.nongnu.org/mailman/listinfo/qemu-devel > -- Infinite complexity begets infinite beauty. Infinite precision begets infinite perfection.