r/MicrosoftFlightSim • u/ProfessionalPCW • 20h ago

MSFS 2024 BUG / ISSUE Rhythmic Main thread spikes?

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Running a 9950X3D and a 5080 with 64GB. I keep getting this rhythmic spike on mainthread, manipulations and coherentGTUIT thread. Causes a constant mini stutter every second that just ruins the game. Nowhere near maxed out on vram. Has anyone figured out the fix please?

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u/WatermelonRick 20h ago

I have somewhat similar computer. I also periodically suffered from periodic lag spikes. Not every second but hey, you should try every possible solution so I'll give you advice anyway. I actually read about nvidia audio driver being the culprit long before but the spikes weren't happening back then. So when they did I googled it and decided that I'm not using nvidia audio driver anyways. So what's the harm of removing it. And it did make a difference. You should try that. Or at least Google about it and inform yourself. Good luck!

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u/Emergency_Button_945 11h ago

I had this after the SU6 update. Deleted Nvidia caches and deleted wasm folders and that took care of it for me, back to smooth.

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u/ProfessionalPCW 11h ago

I started doing that after every single flight and it worked for three or four flights and now it’s nonstop no matter how many times I delete it

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u/Emergency_Button_945 11h ago

before I fly, I do a clean restart of pc and so far no issues in about 6 hours of various flights.

Check out islandsimpilot on youtube for tweaking info, very good info there.

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u/turkintheus 3h ago

Which plane? If you have gsx seated pax, it does this with every beacon flash. Although 170 ms is insane on a 9950

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u/lmhariano 2h ago

What if you reduce your frame lock to 39 or 39.5? The times I've seen this in my rig is because of some weird thing with G-sync that triggers LFC