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Really problematic stutters with FSLTL

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  • Commercial Member

I'm so tired of MSFS2024 mega stuttering on and around airports with FSLTL active, especially when I pan the view. My sim works fine at 50-60fps in dense areas (addon airport + FSLTL), but for example when I pan the view and look down at the pedestal, then after few seconds pan the view back up to look at the gates with all the AI, I can characterize it as frame freezes, not stuttering. FPS literally goes from 60 to 1-2 fps for couple of seconds, so I end panning the view 180 degrees instead just tiny bit. It happens every time I pan the view, and then pan the view back to look at the gates where the AI is, but it happens also without AI I think. Video uploaded to show it better.

Maybe I should test it with FSTraffic, to make sure it's an FSLTL issue only....

Those frame freezes don't happen during flight, at all, it's super smooth.

Any fixes for that? I'm aware that 32gb of RAM could be the issue (it shows 26gb used in overall), but the sim certainly loads something when those frame freezes happen, and I'm not sure why it happens every time I pan the view.

12900k + 3090 + 32gb RAM, sim on M2.


EDIT:
I now tested it without FSLTL, and it behaves the same, strange. So at the end it's not connected with FSLTL or AI, at all.
 

 

Edited by Pe11e

Current system: ASUS PRIME Z690-P D4, Intel 12900k, 32GB RAM @ 3600mhz, Zotac RTX 3090 Trinity, M2 SSD, Oculus Quest 2.

I'm using FSLTL without the injector (using msfs 2024 itself) and do not notice this this problem. We have very close to the same hardware.

i7-13700KF @ 5.3GHz    32.0GB DDR5 @ 5600    RTX 3080    65" LG OLED @ 4k

  • Author
  • Commercial Member
3 minutes ago, 0stones0 said:

I'm using FSLTL without the injector (using msfs 2024 itself) and do not notice this this problem. We have very close to the same hardware.

How do you setup 2024 to use FSLTL models? You are using internal online traffic built into the sim, yes?

Current system: ASUS PRIME Z690-P D4, Intel 12900k, 32GB RAM @ 3600mhz, Zotac RTX 3090 Trinity, M2 SSD, Oculus Quest 2.

A couple of possible solutions:

1.  Lower your FSLTL traffic settings

2. Reduce the texture size of the FSLTL aircraft (which is a bit of a ballache and I have no idea why FSLTL will not offer us the option to download 2k rather than 4k textures)

Ryzen 5800X3D, Nvidia RTX5080 - 32 Gig DDR4 RAM, 1TB & 2 TB NVME drives - Windows 11 64 bit MSFS 2024 Premium Deluxe Edition Resolution 2560 x 1440 (32 inch curved monitor)

  • Author
  • Commercial Member
3 minutes ago, cianpars said:

A couple of possible solutions:

1.  Lower your FSLTL traffic settings

2. Reduce the texture size of the FSLTL aircraft (which is a bit of a ballache and I have no idea why FSLTL will not offer us the option to download 2k rather than 4k textures)

Oh well, I misjudged it. Now I'm testing the sim without FSLTL at addon LYBE, and it does the same without any AI. I should change the topic title lol.

Current system: ASUS PRIME Z690-P D4, Intel 12900k, 32GB RAM @ 3600mhz, Zotac RTX 3090 Trinity, M2 SSD, Oculus Quest 2.

19 minutes ago, Pe11e said:

How do you setup 2024 to use FSLTL models? You are using internal online traffic built into the sim, yes?

Correct

i7-13700KF @ 5.3GHz    32.0GB DDR5 @ 5600    RTX 3080    65" LG OLED @ 4k

19 minutes ago, cianpars said:

A couple of possible solutions:

1.  Lower your FSLTL traffic settings

2. Reduce the texture size of the FSLTL aircraft (which is a bit of a ballache and I have no idea why FSLTL will not offer us the option to download 2k rather than 4k textures)

I tried this and for whatever reason, it didn't work for me. I'm using stock FSLTL settings.

i7-13700KF @ 5.3GHz    32.0GB DDR5 @ 5600    RTX 3080    65" LG OLED @ 4k

  • Author
  • Commercial Member
Just now, Adamski_NZ said:

Give the free AutoFPS a whirl. It's a game-changer.

Yes, using it always. TLOD is 50 on ground.

Current system: ASUS PRIME Z690-P D4, Intel 12900k, 32GB RAM @ 3600mhz, Zotac RTX 3090 Trinity, M2 SSD, Oculus Quest 2.

1 minute ago, Adamski_NZ said:

Give the free AutoFPS a whirl. It's a game-changer.

Totally agree on this! That could be the reason I don't have the issue you have.

i7-13700KF @ 5.3GHz    32.0GB DDR5 @ 5600    RTX 3080    65" LG OLED @ 4k

3 minutes ago, Pe11e said:

Yes, using it always. TLOD is 50 on ground.

You posted just as I hit send. 

i7-13700KF @ 5.3GHz    32.0GB DDR5 @ 5600    RTX 3080    65" LG OLED @ 4k

I would try using live online traffic in sim and see how that shakes out.

i7-13700KF @ 5.3GHz    32.0GB DDR5 @ 5600    RTX 3080    65" LG OLED @ 4k

  • Author
  • Commercial Member
2 minutes ago, 0stones0 said:

I would try using live online traffic in sim and see how that shakes out.

I wrote it few posts above, it seems it does happen also without any traffic, FSLTL or default. On all addon airports too. Now I'm testing on default airports, and it doesn't happen. So, the issue seems to appear when I'm on addon airports, with a lot of details and high textures, etc.

Current system: ASUS PRIME Z690-P D4, Intel 12900k, 32GB RAM @ 3600mhz, Zotac RTX 3090 Trinity, M2 SSD, Oculus Quest 2.

  • Author
  • Commercial Member

Hm, it seems that I solved it, at least mostly.

Set power mode in nvidia CP to max performance. I didn't touched nvidia CP settings after updating drivers couple of weeks ago.

And last but not least, have set texture resolution in 2024 options to High (was Ultra). Now it stutters only a bit when I pan, but it doesn't' freeze the sim as before, it's much much better.

Current system: ASUS PRIME Z690-P D4, Intel 12900k, 32GB RAM @ 3600mhz, Zotac RTX 3090 Trinity, M2 SSD, Oculus Quest 2.

54 minutes ago, Pe11e said:

I didn't touch nvidia CP settings after updating drivers couple of weeks ago.

That's a bit of a "gotcha". I've created screenshots of all my nVidia CP settings so I can easily re-apply them after updating the drivers.

NZFSIM_Signature_257_60.png

 

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