From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1GvFgs-0004bT-Ot for qemu-devel@nongnu.org; Fri, 15 Dec 2006 11:13:42 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1GvFgp-0004Zl-GR for qemu-devel@nongnu.org; Fri, 15 Dec 2006 11:13:42 -0500 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1GvFgp-0004Zg-DV for qemu-devel@nongnu.org; Fri, 15 Dec 2006 11:13:39 -0500 Received: from [65.74.133.4] (helo=mail.codesourcery.com) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA:32) (Exim 4.52) id 1GvFgp-0001wZ-5r for qemu-devel@nongnu.org; Fri, 15 Dec 2006 11:13:39 -0500 From: Paul Brook Subject: Re: [Qemu-devel] Qemu speed vs vmplayer? Date: Fri, 15 Dec 2006 16:13:34 +0000 References: <10541fa50612130009s798a1587n4a3d2b8b51baa334@mail.gmail.com> <200612141645.40403.paul@codesourcery.com> <4582CBA6.6000809@tidetamerboatlifts.com> In-Reply-To: <4582CBA6.6000809@tidetamerboatlifts.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200612151613.35422.paul@codesourcery.com> 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 > > If you're using an accelerator (eg. kqemu or kvm) this is all irelevant > > as most code isn't run by qemu, it's virtualized by the accelerator. qemu > > just does the IO emulation. > > > > Paul > > OK, so mmap is not the way to increase some speed. What needs to be > done to provide a higher Qemu+KQEMU performance, comparable to > VMPlayer? How does VMPlayer manage to be so much faster than Qemu? Is > this simply an I/O bottleneck? How would I go about finding out what > the differences are and how we can improve Qemu+KQEMU performance? A copy of the kqemu source would be a good start. Paul