4/20/2024 0 Comments Flightgear scenery linux mint![]() With FG 3.1.0 edge built about 48 hours ago I use to keep shader options at Maximum level with framerate not affected at all, except as usual when 3D clouds may or not cause a dramatic framerate drop, don't know why/when yet, maybe it happens when I don't have enough free kernels in the GPU because of scenery features. but it would take profit of a PCI Express 3 connection if the motherboard featured it. ![]() (*) I am running Linux Ubuntu 14.04 "Trusty" 64 bit on a pretty old Quad 6600 2.4 GHz 8 GB DDR2 RAM, first version PCI Express BUS, Asus P5KC motherboard, Asus NVidia GTX660 2 GB DDR5 RAM not top of the line admittedly. but I could recently do something I couldn't before, that is practicing touch and go (with the Tiffy from Dave's Hangar not the UK hangar one which might be a little more demanding for the hardware, not sure yet though) in KSFO with strong cross wind and various planes around, without downconfiguring anything or cutting the MP connection. I am not experimenting problems with the built-in Terrasync (a separated Terrasync process would be affected I imagine, but bandwidth is the bottle neck there so it could maybe still function decently, or you could renice fgfs after syncing scenaries with FG or Terramaster, or renice Terrasync too). I don't use the fan with FG but you might need to use one. I keep a fan blowing into the totally open PC when using BOINC (giving spare CPU and GPU cycles to scientific investigation, through World Community Grid or not, investigation about Aids, Cancer, Dengue, or whatever you give priority to) even if I keep BOINC controlled by TThrottle not to pass certain temperature limits. I am not experimenting especial heating of the CPU or GPU but be careful about that especially if you have an old graphics card (my previous card, NVidia 8800 Gt, was easily reaching 80º C), because the reniced process might be able to ask more from it. You might start testing with -5 or -10 as I put in the example line above, or -15. In FG running: main menu, View, Rendering Options. 10 or some other value between -1 and -20Ġ is default priority, -20 is top priority, which I'm using sometimes, but be warned, that might have side effects: Bombable projectiles motion and detonation noise affected, and in "heavy situations" lags or audio drops, to avoid which you might need in FG to establish a framerate throttle value, I set 25 or 24 fps (PAL or movies framerate). Let's say you read that /usr/games/fgfs is process number 3109, then you type the command: ![]() ![]() You might want to read the second footnote (**). This can be done by locating the fgfs process and its numeric id, and then issueing a renice command on it.Ĭode: Select all ps -ax | grep /usr/games/fgfs | grep -v grepĬode: Select all ps -ax | grep fgfs and you look for the fgfs process (NOT the grep command we just issued). I've also found out that I can increase the priority the Linux kernel gives to the fgfs process and gain some frames per second in difficult situations (typically crosswind with other planes around in MP with complex sceneries). I recently discovered that with my hardware FG runs faster in Linux than in Windows 7 Ultimate 64 bit (*). This might be interesting for FG pilots with not high end hardware. ![]()
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