I haven't taken that trip today, been playing around a little with my settings, but I might try it again later on, because it only seems to happen on medium/long hauls.īut regarding the affinitymask, my CPU has 4 cores and 8 logical once, so I don't know if affinitymask 116 is right for that, I'll try it of course, but everywhere else Iæve looked, I've only read that 84, 254 or 255 is the right one for my CPU. I'll try that affinitymask 116, but my problem is that, on short flights my FPS is steady, but when I try to take a longer flight, example Oslo, Norway to Madrid in Spain, i flew that trip three times yesterday, never did I get the chance to land, since the flight takes over four hours, but each time, between two and three hours into the flight, my FPS went berserk, and I didn't use my computer to anything else then P3D when I tested it out. I only monitor my computer with task mananger, but that is just the CPU, not the GPU (never figured out which program I can use to monitor my GPU). I don't use any MSAA or SGSS, at least I don't think so, I don't use Nvidia Inspector, only Nvidia Control Panel, and the only settings Ive changed there is from multi-monitor performance till single monitor-performance, and maximum performance for power. Do you monitor your VAS usage? Last thing is GPU related settings, you may want to try with reduced MSAA or SGSS if you use that. Also the problem you depicted seems to be memory related. It's not a must but generally results in smoother performance. Nvidia GeForce GTX 770, 2GB memory (Driver 364.51, haven't installed the latest driver yet, 364.72). Intel Core i7-4790 CPU 3.60GHz (non-k, so overclocking is out of the picture, but with turbo-boost on 4.0GHz) ORBX Open LC, ORBX Europe and ORBX Global Vector. Btw, it's sad that flight sims are so addictive, since I use to much time with the settings, rather then fly a stutterfree trip. PS: I really don't know if I publish this at the right place, but keep in mind, this is my first post here, and I hope I've described my problem as best as possible. Tessellation is turned of, as I didn't see any terrain-improvements with it turned on, and I've put my monitor refresh rate to 30Mhz, via Nvidia Control Panel, and Vsync and triple buffering turned on in P3D-settings. Addons I use, and system specs is listed down below. I also have one other problem, at the start of a flightplan, taxiing and takeoff, I usually don't get any stutters, with FPS steady at 30 FPS, but after between one and three hours of flight, when I come back after eating dinner or watching a movie or something, P3D stutters like crazy, with FPS fluctating between 1 and 20, and when I click on the setting-button, P3D just close down, and I end up back at my desktop. Even though I thought my computer would be good enough for FSX or P3D when I bought it a year ago. The reason I wonder, is because of my FPS, the airport-buildings have no impact what so ever on my fps, but as soon as I takeoff, as an example, from KJFK, flying over New York, or other big cities for that matter, my FPS drops way low, and major stutters occur, but I don't experience any of that with the scenery density turned off. So I wonder if there is a possibility to have the airport-buildings visible, without getting all the other buildings (city skyscrapers, etc)? By turning of Scenery density, I also lose all of the airports-buildings on the default airports, and that takes away the realisme while on ground taxiing before takeoff or approaching the airport for landing. I use ORBX Europe and Global Vector, so I can't really complain regarding my high-altitude flying, but to come to my question. But after spending hours, days, weeks and months on tweaking, and testing the settings to get the smoothest simulator possible regarding my computer specs, I've decided to turn of all autogen (vegetation and buildings), and also turn Scenery Density to the lowest, because I don't really need that eye-candy flying at 33 000 feet. After swearing allegiance to Microsoft and their flight simulators since Microsoft Flight Simulator 2000, I've last year took a jump over to Prepar3D, after reading a lot of positive feedbacks and reviews of that simulator. This is actually my first ever post here in this forum, because usually I've got all the help I've needed the last couple of years by googling my problems, and I always end up in this forum, so I've decided that it's time for me to step out of the dark, and ask a question my self.
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