At 11:25 AM 6/21/2002 -0500, you wrote: >I'm basically having a behavior wake up on every frame and marking the >time and comparing. I randomly choose frames and average the times and do >1/time = fps. > Thanks!
Be careful with what you do in the behavior. That might be the reason to slow down the application. I don't think that calculating frame rate will do that though. > >>> Lan Wu-Cavener <[EMAIL PROTECTED]> 06/21 11:01 AM >>> >your note reminded me of a question I had related to the performance. I was >running my j3d program on w2k. I found that adjusting the processes >priority through task management tool can change the j3d program >performance although it is not recommended to change the process priority. >I wondered if there is similar problem with XP OS (which I don't have any >experience). Just a thought for you to check out. > >Using geometry byRef will improve the performance in terms of changing >Shape3d's geometry. But it will not have big impact on the scene rendering. >The latter can be improved by occlusion culling. >Oh, how do you test the number of frame per second? > > >At 05:21 PM 6/21/2002 +0200, you wrote: > >Hi, > > > >will using the same geometry object along several shape3d nodes > >reduce the memory usage IN THE VIDEO CARD memory > >or only the SYSTEM memory used by J3D for java objects ? > > > > > > >-----Original Message----- > > >From: Discussion list for Java 3D API > > >[mailto:[EMAIL PROTECTED]] On Behalf Of Shawn Kendall > > >Sent: Freitag, 21. Juni 2002 06:14 > > >To: [EMAIL PROTECTED] > > >Subject: Re: [JAVA3D] Performance Experience > > > > > > > > >Chad Zalkin wrote: > > > > > >> My application runs really slow with my current scene. When > > >I removed > > >> textures, I went from < 10 fps to ~30 fps. When I killed a lot of > > >> geometery but added some textures, I went to ~60 fps. > > >That's with no > > >> atmospherics and no lights and no sound. > > >> > > >> My system sure should be able to handle this: > > >> > > >> Dual Athlon MP 1700+ > > >> 512 MB Ram > > >> ATI Radeon 7000 (64 mb vid ram) > > >> JDK 1.4 > > >> Java3d 1.3 beta 2 > > >> WindowsXP Pro > > >> > > >> Any Ideas why this would run so slow? I don't think I have > > >any thread > > >> blocking/locking or otherwise obviously bad code. > > >> > > >> Thanks > > >> Chad Zalkin > > > > > >Not knowing anything else about the size of your apps textures > > >and amount of geometry, one possiblity is that you are going > > >over your video card memory limit. The behavior you describe > > >is typical of that. Whenever you go over the amount of > > >available memory, the render system will have to page in and > > >out the geometry and textures in your scene. That paging > > >across the AGP port will dramatically reduce render > > >performance the moment it happens. > > > > > >Remember, a large part of your video memory is use for frame > > >buffer, then the rest can be used for geometrry and textures. > > >Also, any other applications can be holding on to video memory > > >as well, making it less for your J3D app. > > > > > >Shawn Kendall > > >Java3D Game Tech Developer > > > > > >=============================================================== > > >============ > > >To unsubscribe, send email to [EMAIL PROTECTED] and > > >include in the body of the message "signoff JAVA3D-INTEREST". > > >For general help, send email to [EMAIL PROTECTED] and > > >include in the body of the message "help". > > > > > > >=========================================================================== > >To unsubscribe, send email to [EMAIL PROTECTED] and include in the body > >of the message "signoff JAVA3D-INTEREST". For general help, send email to > >[EMAIL PROTECTED] and include in the body of the message "help". > >Lan Wu-Cavener >Dept. of Landscape Architecture > >=========================================================================== >To unsubscribe, send email to [EMAIL PROTECTED] and include in the body >of the message "signoff JAVA3D-INTEREST". For general help, send email to >[EMAIL PROTECTED] and include in the body of the message "help". > >ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ >To unsubscribe, send email to [EMAIL PROTECTED] and include in the body >of the message "signoff JAVA3D-INTEREST". For general help, send email to >[EMAIL PROTECTED] and include in the body of the message "help". Lan Wu-Cavener Dept. of Landscape Architecture ==========================================================================To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message "signoff JAVA3D-INTEREST". For general help, send email to [EMAIL PROTECTED] and include in the body of the message "help".
