Sudden frame drop in VR

[Legs]

Greetings,

Ever since 2.9.6 dropped with Afghanistan, my VR FPS has gone downhill severely. My game will be running smooth for a few minutes and then suddenly, frames will drop and the game will be unplayable. I definitely notice it on Afghanistan (which is to be expected) but it still happens on other maps. I tried taking all my mods out, Clean and repair, and still cant figure this out. Anyone else experiencing this?  All in MT. For some reason, ST is nowhere near as bad. I can test in other aircraft too if needed.

 

Ryzen 5 3600X

32GB  RAM (XMP)

3070Super 

Quest 3

NvMe M.2

Hook Frame Drop.trk

[Maddaawg]

I think with each update, our systems are being tasked even harder and yours and mine are older and falling behind. How are you connecting to the game and what are those settings as well as the game settings?

The recommended Meta Link connection is 72hz and push the slider to the right to get 1.3 PD and leave the game at 1.0 PD.

Do you use QuadViews, as that can help reduce the demand on the GPU but does task the CPU. 

Click the preset for VR and try that, if that is fine then gradually increase settings.

Another helpful app is Process Lasso, you can assign DCS to a few cores and give it a high priority.

[Robi Hobby]

I have now updated my PC System.
From
i 7 7700K       to       i7 12700K
32GB DDR4  to        64GB DDR5
Win10 Pro      to        Win11 Pro

DSC is on M.2 Samsung 990 Pro 2TB
RTX 3090 and Rift S are in use.

Even in the DCS Menu the frame rate freezes brutally.
When I display the Multiplayer Server selection the fps goes down to 1-10 fps.  
The hourglass keeps coming up. And fps goes almost to zero.
The system now looks much worse on my old Win 10 Computer.  

[slughead]

14 hours ago, Robi Hobby said:

I have now updated my PC System.
From
i 7 7700K       to       i7 12700K
32GB DDR4  to        64GB DDR5
Win10 Pro      to        Win11 Pro

DSC is on M.2 Samsung 990 Pro 2TB
RTX 3090 and Rift S are in use.

Even in the DCS Menu the frame rate freezes brutally.
When I display the Multiplayer Server selection the fps goes down to 1-10 fps.  
The hourglass keeps coming up. And fps goes almost to zero.
The system now looks much worse on my old Win 10 Computer.  

This sounds like the core parking issue. Disable core parking and try again. You can enable core parking again when you finish with DCS. This tool will help:

https://m.majorgeeks.com/files/details/cpu_unpark.html

[Robi Hobby]

 

[Robi Hobby]

Unfortunately, no big improvement. I start DCS MT in VR and go to Options, Controls. In Controls the fps drops from 80 to 5, everything freezes. After a few seconds it gets better again and then the fps crash comes back.

[Legs]

Tried downgrading my GPU driver to 560.70 and really no change. Most recent trk attached

Hook Frame Drop2.trk

[The_Nephilim]

1 hour ago, Legs said:

Tried downgrading my GPU driver to 560.70 and really no change. Most recent trk attached

Hook Frame Drop2.trk 6.24 MB · 0 downloads

Hey could you please post your DCS.Log file in saved games.. also you should mention that your trk file requires the Chinook.. I dont have that module so I am unable to check your trk file thnx..

Edited August 14, 2024 by The_Nephilim

[Phantom711]

@Legs

Try with a different module! Might be the Chinook‘s fault. Friend of mine reported performance problems with it as well.

[Hempstead]

5 hours ago, Phantom711 said:

@Legs

Try with a different module! Might be the Chinook‘s fault. Friend of mine reported performance problems with it as well.

I have very bad fps with Chinooks, F-4, and OH-58 too... all in in the 10fps range. As soon as I switch back to F-16, after restart of Quest Link, I get 45 fps stable.

[Robi Hobby]

For my RTX 3090 i use now 552.44.   And i have change the Language from German to English.  

I'm not having any uncontrolled FPS drops at the moment. But I'll have to keep an eye on it.

Edited August 16, 2024 by Robi Hobby

[Legs]

On 8/13/2024 at 7:57 PM, The_Nephilim said:

Hey could you please post your DCS.Log file in saved games.. also you should mention that your trk file requires the Chinook.. I dont have that module so I am unable to check your trk file thnx..

 

dcs.log

[The_Nephilim]

2024-08-16 22:26:28.441 WARNING WORLD (Main): ModelTimeQuantizer: ANTIFREEZE ENABLED

 

that seemed to relate too the Scratchpad mod. do you run any other mods besides Scratchpad?? also have you tried a clean and slow repair and remove the FXO and Mestashader folders??