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FPS going from 50+ to 10 or less for no reason


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Situation: Single player flying the Apache on the Syria map (in the vicinity of Raqqa). After about six minutes flying my frame rates decrease to a level that makes the game unplayable. 

Computer setup: 11 Gen Intel)R) Core(TM) i9-11900K @ 3.50GHz / 64.0 GB RAM / MSI RTX 3090 24G / 49 inch Samsung Neo G9 Odyssey QLED monitor / TM HOTAS and Joystick / Cougar MFDs / MS Sidewinder Steering wheel / Razer Ouroborus gaming mouse / Saitek Pro Rudder Pedals / Logitech G15 Keyboard / Logitech G35 Headset

My keyboard has inbuilt CPU and RAM monitors - during the flight the CPU did not go above 10 percent or the RAM above 45 percent.

Attached are my log files.

Neither SRS or in-game radio were active - do not know why these files were generated by the game.

I have not experienced this issue with any other module.

Yesterday to test the issue I set up a simple ME mission using the Caucasus map. I experienced no problems even though each time I flew the Caucasus mission I increased the mission complexity by adding (1) AI units (2) Moving AI units (3) Trigger Zones (4) Shelling Zones (5) Smoke effects (6) George AI (7) George via Voice Attack (3) Discord

I also tested a simple 20 minute flight in the Apache in all the other maps and experienced no issues. I did not increase the complexity in the other maps.

Any suggestions for rectifying this matter will be greatly appreciated.

dcs.log DCS-SimpleRadioStandalone.log DCS-SRS-GameGUI.log DCS-SRS-InGameRadio.log debrief.log

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  • ED Team

Please include a track replay example where the frames are bad so we can compare. 

thanks

smallCATPILOT.PNG.04bbece1b27ff1b2c193b174ec410fc0.PNG

Forum rules - DCS Crashing? Try this first - Cleanup and Repair - Discord BIGNEWY#8703 - Youtube - Patch Status

Windows 11, NVIDIA MSI RTX 3090, Intel® i9-10900K 3.70GHz, 5.30GHz Turbo, Corsair Hydro Series H150i Pro, 64GB DDR @3200, ASUS ROG Strix Z490-F Gaming, HP Reverb G2

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As it was an offline mission there was no track file in C:\users\Saved Games\......... etc

However I checked the hidden files in C:\users\.......\AppData\local\Temp\DCS.openbeta and found the attached track file. Its details suggest it is the right track - hope so as otherwise I will need to redo tomorrow. 

Interestingly, the file size shows 3,018 KB but it comes out at 2.95 MB when I uploaded it to this page.

_LastMissionTrack.trk


Edited by 450Devil
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4 hours ago, 450Devil said:

Interestingly, the file size shows 3,018 KB but it comes out at 2.95 MB when I uploaded it to this page.

3018 kB/1024 = 2,947265625 MB, so 2,95 MB is correct.

 

4 hours ago, 450Devil said:

Its details suggest it is the right track

I'm afraid that you've uploaded a wrong track: it shows the A-4E-C starting on CVN-72 @Caucasus).

You find the last autosaved track in %USERPROFILE%\AppData\Local\Temp\DCS.openbeta\, the file is named LastMissionTrack.trk (without the initial underscore).

 

 


Edited by AstonMartinDBS

[Modules] A-10C, A-10C II, AH-64D, F-14A/B, F-16C, F/A-18C, FC3, Ka-50, P-51D, UH-1H, CA, SC
[Maps] PG, NTTR, Normandy, Sinai, Syria, TC

[OS] Windows 11 Pro
[PC] MSI Pro Z790-A, i9-13900K, 64 GB DDR5-5200, RTX 4090 24 GB GDDR6X, 2 x SSD 990 PRO 2 TB (M.2), Corsair 5000D Airflow, HX1500i, H150i RGB Elite, Acer X28, TM HOTAS Warthog (Grip@WarBRD Base), MS SW FFB2, Thrustmaster TFRP, TrackIR 5 & TrackClip Pro
[Checklists] A-10C, F-16C, F/A-18C, AH-64D, Ka-50, UH-1H

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Sorry about that.

I have reproduced the issue this morning. Attached are the log and track files.

If you are wondering why I seem to be regularly glancing up to the top left corner of the screen it is because I was looking at the FPS counter which doesn't seem to be captured by the track file.

 

LastMissionTrack.trk dcs.log dcs.log.old DCS-SimpleRadioStandalone.log DCS-SRS-GameGUI.log DCS-SRS-InGameRadio.log debrief.log

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I'm unable to watch the track because I don't have the UH-60L mod installed. You should remove all mods to exclude a mod as source of your issue and try again.

[Modules] A-10C, A-10C II, AH-64D, F-14A/B, F-16C, F/A-18C, FC3, Ka-50, P-51D, UH-1H, CA, SC
[Maps] PG, NTTR, Normandy, Sinai, Syria, TC

[OS] Windows 11 Pro
[PC] MSI Pro Z790-A, i9-13900K, 64 GB DDR5-5200, RTX 4090 24 GB GDDR6X, 2 x SSD 990 PRO 2 TB (M.2), Corsair 5000D Airflow, HX1500i, H150i RGB Elite, Acer X28, TM HOTAS Warthog (Grip@WarBRD Base), MS SW FFB2, Thrustmaster TFRP, TrackIR 5 & TrackClip Pro
[Checklists] A-10C, F-16C, F/A-18C, AH-64D, Ka-50, UH-1H

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  • ED Team

please try a mission without any user mods, I wont be able to test them. 

thanks

smallCATPILOT.PNG.04bbece1b27ff1b2c193b174ec410fc0.PNG

Forum rules - DCS Crashing? Try this first - Cleanup and Repair - Discord BIGNEWY#8703 - Youtube - Patch Status

Windows 11, NVIDIA MSI RTX 3090, Intel® i9-10900K 3.70GHz, 5.30GHz Turbo, Corsair Hydro Series H150i Pro, 64GB DDR @3200, ASUS ROG Strix Z490-F Gaming, HP Reverb G2

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I removed the UH-60s from the mission. I then removed all user mods from my DCS Openbeta and closed down the game and ran repair. I then booted up the game; went into the mission and still experienced a massive fps drop after about 6 or 7 minutes flying.

Attached are the log and track files.

Hope this helps

Cheers

dcs.log DCS-SimpleRadioStandalone.log DCS-SRS-GameGUI.log DCS-SRS-InGameRadio.log debrief.log LastMissionTrack.trk

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1 hour ago, 450Devil said:

went into the mission and still experienced a massive fps drop after about 6 or 7 minutes flying.

I watched your track and had the frame rate drop as well. My FPS rate went down to ~5 in the last minute of your replay. For HW specs see my signature.

Edit #1: I flew your mission once with the AH-64D and once with the UH-1H Huey. The issue occured in both flights, so it's not AH-64D specific. As I observed, the frame rate drop started both times as soon as you get close to the SPH M109 Paladins.

Edit #2: I flew once again using the Huey. This time I did an airstart near the Paladins. As I could pass the paladins without a frame rate drop the problem doesn't seem to be position or unit related. I continued my flight and after a flight time of > 6 minutes the problem appeared again. Track of this last flight: SY UH-1H FrameRateDrop.trk


Edited by AstonMartinDBS

[Modules] A-10C, A-10C II, AH-64D, F-14A/B, F-16C, F/A-18C, FC3, Ka-50, P-51D, UH-1H, CA, SC
[Maps] PG, NTTR, Normandy, Sinai, Syria, TC

[OS] Windows 11 Pro
[PC] MSI Pro Z790-A, i9-13900K, 64 GB DDR5-5200, RTX 4090 24 GB GDDR6X, 2 x SSD 990 PRO 2 TB (M.2), Corsair 5000D Airflow, HX1500i, H150i RGB Elite, Acer X28, TM HOTAS Warthog (Grip@WarBRD Base), MS SW FFB2, Thrustmaster TFRP, TrackIR 5 & TrackClip Pro
[Checklists] A-10C, F-16C, F/A-18C, AH-64D, Ka-50, UH-1H

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  • 2 weeks later...

Since this bug obviously isn't caused by the Apache, it should be moved out of the AH-64D forum.

would fit better for this issue.

 

[Modules] A-10C, A-10C II, AH-64D, F-14A/B, F-16C, F/A-18C, FC3, Ka-50, P-51D, UH-1H, CA, SC
[Maps] PG, NTTR, Normandy, Sinai, Syria, TC

[OS] Windows 11 Pro
[PC] MSI Pro Z790-A, i9-13900K, 64 GB DDR5-5200, RTX 4090 24 GB GDDR6X, 2 x SSD 990 PRO 2 TB (M.2), Corsair 5000D Airflow, HX1500i, H150i RGB Elite, Acer X28, TM HOTAS Warthog (Grip@WarBRD Base), MS SW FFB2, Thrustmaster TFRP, TrackIR 5 & TrackClip Pro
[Checklists] A-10C, F-16C, F/A-18C, AH-64D, Ka-50, UH-1H

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