This is probably related to how the Update routine handles sending updates to clients.
Adam > -----Original Message----- > From: [email protected] [mailto:opensim-users- > [email protected]] On Behalf Of John Sheridan > Sent: Saturday, 16 May 2009 6:22 AM > To: [email protected] > Subject: [Opensim-users] Prims and CPU usage? > > Gang, > After trying a few of the higher prim oar files I've seen fly > through here I've begun to notice a rather curious trend, although I'm > unsure if its to do with my configuration or if others have seen this > as > well. After trying Nebadon's Art City oar on a local standalone (Mono > 2.0.1 / SQLite, Basic Physics on Linux Ubuntu) I found that after > everything loaded and committed to the database (which on its own took > a > good hour and a half probably due to SQLite) upon restarting OpenSim > cpu > use for the OpenSim process was pinned at 30% when idle. > > Oddly enough, since I started building my Ravenport sims (Mono 2.0.1 > / > MySql, ODE / ZeroMesh on Ubuntu) I've as well noticed a steady increase > in cpu use as the build progressed, however until now I thought this > was > due to scripts or possibly a few rogue physical prims that may have > sunk > under ground or flown off the sim edge. Currently when idle the > Ravenport server is using 25% of the cpu at ~13,000 prims where a month > ago it bordered around 10 to 15% at roughly 7,000 prims. Out of > curiosity I saved the sims out to an oar and began dissecting them on > the same local configuration I tested the Art City oar on. > Surprisingly after removing all scripted objects there was no change in > cpu use - it was still at 25%. It wasn't until I began deleting the > buildings that I began to notice a change where as the sims emptied out > the cpu use decreased down to between 1 and 2% once all prims were > deleted. > > To verify, I decided to try again this time with a clean OpenSim > instance of the same config where I had set a scripted prim to create a > grid of default .5x.5x.5 cubes. The first round was with a grid of > 13,000 prims which upon persisting and rebooting pinned the cpu at 30%, > the second test I added another 13,000 which brought it up to 40%. > After adding another 13,000 (39,000 total) the cpu was pinned at a > solid > 100% after a fresh restart. > > I have to admit, I do find this to be quite baffling. In all I'd > expect the sim to use more memory with a higher prim count but the cpu > should remain about the same, especially given that my test environment > was using basic physics where all prims were rendered as phantom. > > The oar for the 39,000 prim sim is located at > http://www.pseudospace.net/primzilla.oar if anyone else would like to > test it on their own configuration. > > Thanks, :) > > - John / Orion Pseudo > _______________________________________________ > Opensim-users mailing list > [email protected] > https://lists.berlios.de/mailman/listinfo/opensim-users _______________________________________________ Opensim-users mailing list [email protected] https://lists.berlios.de/mailman/listinfo/opensim-users
