This is a post from the Cairo list. It benchmarks a Cairo program against image, xrender, glx implementations of Cario. You can see that 2D drawing is a the minimum 10x faster and sometimes 200x or more when using the 3D hardware. Data like this is the driving force for bring up xserver on a standalone OpenGL/mesa platform.
--- David Reveman <[EMAIL PROTECTED]> wrote: > From: David Reveman <[EMAIL PROTECTED]> > To: [EMAIL PROTECTED] > Date: Tue, 20 Apr 2004 17:02:59 +0200 > CC: Cairo List <[EMAIL PROTECTED]> > Subject: [cairo] Re: Cairo gears performance benchmarks > > On Mon, 2004-04-19 at 13:38 -0600, Soorya Kuloor wrote: > > Hi, > > > > I compiled the latest cairo CVS. I then ran the cairogears program > > from David's download site (http://www.cs.umu.se/~c99drn/). Here are > > some results I thought people would be interested in. > > > > Hardware: > > --------- > > AMD Athlon64 3200 > > 1.5GB RAM > > Graphics Chipset: ATI R350 NH (R9800) > > > > Software: > > --------- > > Fedora Core 1 (32 bit version) > > XFree: ATI's proprietary drivers downloaded from their website > > Display resolution: 1280x1024 > > > > The numbers below are in frames per second as reported by the > > test. For full-screen numbers I just maximized the demo window. > > > > Test backend normal-size full-screen > > ---- ------- ----------- ----------- > > > > TRAP image 9.2 2.2 > > xrender 11.8 2.9 > > glx 150.2 135.2 > > > > GRAD image 8.4 2.0 > > xrender 9.2 2.4 > > glx 125.4 103.0 > > > > COMP image 5.0 1.1 > > xrender 6.4 1.4 > > glx 2087.0 686.8 > > > > TEXT image 18.4 1.4 > > xrender 22.6 1.9 > > glx 61.8 49.4 > > > > SHADOW image 2.1 0.35 > > xrender 2.62 0.5 > > glx 133.0 130.0 > > > > The performance of the OpenGL back-end is really impressive. Obviously, > > the text caching problem that David mentioned slows down the OpenGL > > back-end considerably. > > Hi Soorya > > I haven't been able to run any tests on radeon 9800 cards, so these > results are very interesting, thanks! > > The results are similar to those that we've been getting with nvidia's > geforce FX cards. > > The text caching problem isn't actually present in the above TEXT test. > This test uses cairo_text_path, which works very well. However, > decomposing and tessellating text seems to be very CPU intensive and > that's why the OpenGL backend is not as superior in this test. > > The SHADOW test is actually not really fare to the OpenGL backend. The > OpenGL backend support CAIRO_FILTER_GAUSSIAN with your radeon card. > Hence, filter each shadow through a 3x3 convolution filter for every > frame. Without convolution filtering the OpenGL backend would probably > perform about 4 times faster. > > If you like to, you could get my updated cairogears program with the > bitmap text test and also present results from this test. Both with and > without my new glyph cache patch. That would be interesting. > > - David > > -- > David Reveman <[EMAIL PROTECTED]> > > > > _______________________________________________ > cairo mailing list > [EMAIL PROTECTED] > http://cairographics.org/cgi-bin/mailman/listinfo/cairo ===== Jon Smirl [EMAIL PROTECTED] __________________________________ Do you Yahoo!? Yahoo! Photos: High-quality 4x6 digital prints for 25¢ http://photos.yahoo.com/ph/print_splash ------------------------------------------------------- This SF.Net email is sponsored by: IBM Linux Tutorials Free Linux tutorial presented by Daniel Robbins, President and CEO of GenToo technologies. Learn everything from fundamentals to system administration.http://ads.osdn.com/?ad_id=1470&alloc_id=3638&op=click -- _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel
