Lag/Stuttering while flying

[sgofferj]

I had some stuttering problems in 2.4 with multiplayer traffic but this has been greatly reduced in 2.6.
Then I had serious stuttering in complex scenery (lots of vertices) but this went considerably better when I replaced my GT520 with a GTX560 GPU.
I still experience stuttering with 3D clouds but as Thorsten explained in another thread, this is hardly avoidable. Further stuttering I experience on turns, when lots of new and rather complex objects come into sight. Think e.g. LOWI and take a helicopter and turn while hovering. I think, this is caused by the data not being pushed into the GPU fast enough. I'm not sure if and how this would be solveable - maybe by using more DDS textures but this is just a wild guess without deep knowledge of 3D graphics stuff.
There is a thread about stuttering here. Maybe it would make sense to join the threads together?

[PavlinS]

My FPS is desperately low!
I play on NVIDIA Geforce GTX430.
And without shaders, no clouds and even no ALS.
My FPS is 9! And the spacing - 200ms!
This is awful! Anyone know how to fix it?
My computer has Windows 10 Pro core. Intel core I5 with 4 GB of RAM. There is no enything that I did not try- throotle stop, Razer Cortex.......... :Lag!

[Parnikkapore]

First things to check:
-If your graphics can switch between Intel and Nvidia(such as in most current notebooks), force the driver to use Nvidia.
-Double-check your LOD distances?

[sanhozay]

-Double-check your LOD distances?

+1

30,000m bare is about the most I can get away with with 4GB RAM. The bare setting on the LOD (View - Adjust LOD Ranges) is a major factor in memory usage.

Once your system starts swapping because memory is low, everything becomes painful.

[wkitty42]

@PavlinS: also what craft are you trying to fly? i get 30-60FPS with the c172p but the 787-8 (in FGAddon) brings me down to a paltry 5+FPS with Real Weather and ALS with max shaders except for transition (50%) and urban (40%)... i also do not use any 3D clouds and leave random objects and such left to their defaults... my current LOD settings are slightly modified from the defaults, as well... 1500, 9000, 150000...

[PavlinS]

@PavlinS: also what craft are you trying to fly? i get 30-60FPS with the c172p but the 787-8 (in FGAddon) brings me down to a paltry 5+FPS with Real Weather and ALS with max shaders except for transition (50%) and urban (40%)... i also do not use any 3D clouds and leave random objects and such left to their defaults... my current LOD settings are slightly modified from the defaults, as well... 1500, 9000, 150000...

I am not touching the LOT distances. There is no Intel HD graphics on my computer - the chipset was changed to NVIDIA chip. I am talking for A320, A380- omega, B737-900 and B777 families. A380 by Omega has no proper pushback also. I asume that the only model I can freely fly on so-so good FPS is F15C. I am youtuber and this model does not compare with the rest models I use. I am trying to do real flights - for example LBSF -EDDF with A320Neo. EDDF-KSFO with A380. KSFO- PHNL with B737-900 NG. And many more with 777. I asume that 777 is heavy plane because is fully modeled. But the rest are not!

[wkitty42]

FWIW: i have NVIDIA card, too... GeForce GT 730 1Gig RAM...

if the craft listed are in FGAddon, i'll try to see what kind of FPS i get with them on the ground at some airport of your choosing so we can compare... i use only official flightgear repos, distributed craft and terrasync scenery...