Hi Pablo, I suppose your cluster server machine has no OpenGL hardware acceleration.
Andreas > Well, I haven´t tested that yet (adding the glut idle func to refresh > the render), but the problem, AFAICT is something related to the > transmitted data ratio over the networkt or something related to network > handling.. because the scene gets rendered every time something changes > is the client... so, if a mouse move occurs and, for example, it moves > 10 coordinates, the scene will change 10 times and there will be 10 > matrices sent over the network to the servers and the scene will be > rendered 10 times at servers. The Idle func will not yield any visual > result if there is no change in the scene. > > Another important info is that if I run the SAME client and server at > the same machine using only this one machine and the same network > settings (connection type), the refresh ratio gets high because the data > is sent over the loopback interface.... So, why the delay is so high > over a local area network that used gigabyte bw? Do I need to use any > advance class/ technic rather than the simples one of the tutorial? Thanks! > > > Pablo > > > On Fri, Jan 9, 2009 at 9:17 PM, Garry Hoberg <[email protected] > <mailto:[email protected]>> wrote: > > Hi, Pablo! > > Did you add "glutIdleFunc(display);" to the setupGlut() ? I think > without that line the scene ist only drawn when you move the mouse > over the Client window. > > Regards, > Garry > > > -----Ursprüngliche Nachricht----- > > Von: "Pablo Carneiro Elias" <[email protected] > <mailto:[email protected]>> > > Gesendet: 09.01.09 20:37:03 > > An: [email protected] > <mailto:[email protected]> > > Betreff: [Opensg-users] Question about Simple OpenSG Clustering > > Hi all, > > > > I've been testing the basics of OpenSG clustering using the basic > > OpenSG tutorial examples provided with OpenSG lib (12ClusterServer > > and 13ClusterClient). The example uses a very simple scene that > > contains only a torus but for some reason the FPS gets no more > than 5. > > Im using 2 machines in local network (Gigabyte network bandwith), one > > for the two servers and other for the client. When I move the mouse > > at clients black navigation window, the scene gets updated at servers > > but the refresh rate is low. The tutorial uses simpleSceneManager at > > client side to handle the simple scene. AFAIK, the only thing that is > > being changed at every mouse move is the scene transformation that is > > than sent over the servers to update the rendering. So, if > SimpleSceneM > > anager does it right, the change list of the scene at clients side is > > fine and the only thing that needs to be sent is really a > transformatio > > n matrix. > > > > I've also tested the program using two connected p2p machines using a > > cross-over cable to discard any network problem, but I've got the > > same results. > > > > The question is, why the framerate is so slow? The're is anything I > > can do to improve the performance? Is there any advanced classes/ > > techincs of OpenSG to implement this kind of test? Is that something > > intrinsic of the distribution problem/implementation/architecture? > > > > Thank's > > > > Pablo > > > ---------------------------------------------------------------------- > > -------- Check out the new SourceForge.net Marketplace. 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