I’m seeing odd spikes and periods of slowdown from Coherent GTUI Thread in the default 172 with no addons at all.
Game runs superbly for about 15 to 20 minutes, solid 70FPS (on a 14700k / 7900GRE) but suddenly, with no warning my framerate will half to 35FPS, Debug display shows that it’s Coherant GTUI Thread has gone from 7.2ms to 30+ms a frame, this is with no changes to camera or aircraft settings (i.e straight level flight on AP, camera forward default, no control input).
If I wait 5 minutes or so it clears up to all green in debug again for another 10 mins or so followed by another Coherant GTUI Thread spike.
It’s not ingame setting, I’ve tried every single possible setting on it’s lowest, even cockpit refresh and this performace drop is the same each time regardless of configuration.
[PC Only] Did you remove all your community mods/add-ons? If yes, are you still experiencing the issue?
No Addons at all, vanilla install.
FREQUENCY OF ISSUE
Every flight, starting about 15 minutes into flight, clearing up after a few minutes and then re-occuring after a period of about 10-15 minutes.
REPRODUCTION STEPS
Please list clear steps you took in order to help our test team reproduce the same issue:
- Take off from EGBG (Leicester) in the default Asobo Cessna, 172 Set a height of 3000 ft and a Heading of 335deg and engage autopilot
- Turn on Display FPS from Debug, set camera view to default forward.
- Monitor Coherant GT UI Thread
YOUR SETTINGS
All setting tried from Low to Ultra, same behaviour exhibited
If the issue still occurs with no mods and add-ons, please continue to report your issue. If not, please move this post to the User Support Hub.
What peripherals are you using, if relevant:
[PC Only] Are you using Developer Mode or have you made any changes to it?
No.
[PC, MSFS 2020 Only] Are you using DX11 or DX12?
[PC Only] Many issues may be due to an outdated graphics card. Please state your Graphics Card Driver Manufacturer (NVIDIA, Intel, AMD) and Version:
AMD - 24.12.1
[PC Only] What other relevant PC specs can you share?
Intel 14700K, 64GB Ram (DDR4) running off NVME Drive.
MEDIA
Please add a screenshot or video of the issue occurring.
[END OF FIRST USER REPORT]
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