On Wed April 4 2007, John Horne wrote: > So long as glxinfo says you are using direct rendering, then you are > okay. > Yes, it does say that > No, you are getting better performance than I am :-) I get 9,000 frames > per 5 seconds, whereas you get 26,000. I'm not sure why, but would not > be surprised if the cards are slightly different - a '9600' against a > '9600 Pro' perhaps. > I caught that discrepancy on a re-read after my post came back from the list. My card is housed in an HP Pavilion laptop model ZX5000 - fairly high end for its time > > > As you can see, you're running composite enable and mine is disabled > > Yes, I seem to remember that I had to enable 'composite' to get beryl to > work. > Disabling composite was a 'fix' suggested by many sites for getting the ATI driver going, which is why I set that - still haven't tried enabling it, yet > However, I see that you are still using the fglrx driver. It is > difficult for me to do a direct comparison because I would have to > re-install the ati driver stuff, the start up script, the > 'enable-fglrx-display' command or whatever it was! :-) I found it much > easier to just use the radeon driver. Having said that though, I do not > use 3D for much at all, so it may be that you do get better performance > with fglrx rather than radeon. I have an opengl 3d screen-saver, a 3D > game and, as mentioned, have used beryl - although I tend not to use it > now, a bit too much eye-candy! The point is that they all work fine > though. > Personally, I don't care for Beryl - don't use it after giving it a try. I'm in television production, and I use this box as an experimental platform for trying the various LInux programs for content creation - so, that's my interest > Final point is that you may want to look through the 'radeon' man page. > There are several options in there that relate to performance. I have > tried some, but can't say I have noticed any great improvement. The > 'AGPFastWrite' tends to hang my system, so I don't use that one :-) > The GARTSize option can improve performance but doesn't seem to be > mentioned in the man page. It defaults to 8Mb, but can be increased to > 64. Having realized that I'm getting much better performance than I thought, I'll probably just stick with fglrx for now, but I'll track the progress of the radeon driver project, and give it another shot down the road Thanks again for your input... -- Claude Jones Brunswick, MD, USA
