how do people get near 200fps i just got brand new acer l320 comp and my fps is normally around 25fps and at race starts around 11-12 if i am on my own online i get around 30-40 so where am i going wrong.
actually you dont on a pal (50 hz) one since it does pseudo progressive frames at 25 fps so the conversion conema => pal works by speeding up the movie just a bit
on a ntsc (never the same colour) system with 29.9whatever frames with 3:2 pulldown (one interlaced frame built out of 2 consecutive ones every 3 frames iirc ... bit unsure about the numbers but you get the idea) you do get the inverse effect of what you see on lfs in that the frame slows down several times every second (very noticeable duing slow pans)
That thread starts bad, but I think that this threads starter is referring to the same thing as that threads starter.
LFS' physics run at 100Hz and if your framerate isn't 100fps or any multiplications of that (25, 50, 200 etc) LFS will seem a bit jerky because physics are not in sync with the frames.
I think you're on to something here. I thought about this being a possibility before. Lots of things fool my eyes into thinking that the animations aren't as smooth like lack of AA and AF and now that you mention it the forces in the cockpit. Still, I think it might be something bigger than this. Thanks to the folks that suggested the 100Mhz thing. I'll try locking my frames at 100 FPS and try to ignore the tearing to see if thats it.
Unless you have a CRT monitor capable of 100Hz refresh rates, that won't do anything. Your screen will probably redraw at 60Hz anyway, negating any benefit from upping the framerate (It may get a little bit smoother, but the fundamental problem is still here).
Also, the cars vibrating wouldn't have any impact on the smoothness of the TV-camera which you said also was jerky.
Duh, you're right. Not sure what I was thinking. Anyway, I tried locking the frames to 100 and they never really lock at 100. Always something like 92FPS. I know my machine can do 100 no problem becuase with VSYNC off its in the 200's.
What do these options do in the game:
Full Screen Vertical Sync ?
When I flip on Full Screen VS, it does't really do anything. If I have vsync off in control panel and turn this on in game, the FPS stay the same. Is this supposed to be vsync in the game?
What about minimum sleep? Does this setting have anything to do with the display?
Unless you have set vsync to "always off" in the driver control panel, "Full Screen Vertical Sync" should enable vsync. Minimum sleep is the minimum time LFS will sleep between each frame when the framerate is locked to a specific frequency. This can be use to give the OS "time to breathe" if you have problems with sound stuttering or network lag or stuff like that.
I'd wager it's not a video setting causing the problem. If you're getting 60FPS but it's not fluid, it sounds very much like another process is causing issues. For example, Nero Scout will cause all kinds of problems for games like LFS. I don't know why LFS is so vulnerable to this, but it certainly is and I have had a lot of trouble in the past from invasive processes such as this. So I reccommend that you have a good look at what processes you have running and google them all.
It's not that. I have a quad core processor and the game is stable. No stuttering at all. It's just when compared to other simulations like GTR2 or rFactor, their 60FPS look a lot more fluid than LFS for some reason. Hard to explain. Not really a technical issue. Plus, if other processes were doing something on my PC, that would affect the frame rate. My FPS is at 59-60 FPS solid when I have vsync on.
Also, I tried turning vsycn off and Full Screen Vertical Sync does nothing in game. Shouldn't that force my FPS to a certain number? If I have that on and limit FPS to off, what would be the expectation from turning on FSVS?
FSVS is vsync. But with some drivers vsync doesn't get enabled if it's set to "off" in the drives. In the ATI drivers for example, you need to set it to "off, unless application specifies" for the in-game setting to work. I think Nvidia has a similar setting.
I think i have the same here. Compared to rFactor, GTR2, GTL,...LFS looks a bit less "fluid"(best example is South City,when u look at the buildings, the distance shields or any sideobjects from the track,while driving,they look like there is always a little little stuttering in it....) than these games at 60 or 75Hz with Vsync on.But as you said its not a big problem, but its not so smooth and "round" as the other Sims. It also have nothing to do with tearing,or heavy stutters.
So i run a ATi 1900XT 512MB
Core2 Duo 6750
2x 1Giga Ram
gigabyte P35 DS 4
and a NEC 19" LCD which can do max @ 75 Hz 1280x1024
Dunno about the Nvidia thing.....because i was very disappointed with the 7800 GT series in racing sims,(horrible blurry image Quality) so i changrd back to ATI....
So try to download the latest RivaTuner (www.Guru3d.com), install it, and then go to its folder for example: c\: Programs \Rivatuner\tools and you find into the tools folder the Direct3d Overrider.
This program lets you enable Triple buffering on Ati cards, which is very helpful,when Vsync is enabled, and the fps only go slightly under the 60Hz you will loose without triple buffering 15 or 30 fps...with triple buffering activated, you will loose much less fps if it comes to the same situation.
Another important point is the option minimum sleep, i set it to 1 ms, and it helped LFs to get a bit more smooth.
I run LFS now in 1280x1024 @ 75 HZ 4xAA 16 AF and direct 3d overrider is on