7800x3d MT VR performance

[DanWolo4]

I recently "upgraded" my rig from i9-10850k to 7800x3d and I am under impression that performance dropped in VR. The FPS counter mostly says CPU bound and I am having threads utilization as attached. Is it normal with one core almost 100% and others oscillating?

Edited December 4, 2023 by DanWolo4

[Spectre VCAW-1]

This is exactly the issue I am having. While I was using a different example, it appears that in DCS AMD processor perform far worse than Intel.

[DanWolo4]

This is very disappointing. Even in 2D I see few frames less on Ryzen in some scenarios. On the other hand I am having significant performance improvement in BMS.

[Nevyn]

Same issue, same CPU, although I use 2D not VR.

Edited December 4, 2023 by Nevyn

[Spectre VCAW-1]

I could be wrong, but it appears that DCS is not playing well with AMD processors, since I got a massive performance increase on other games and applications, but DCS does not seem to like AMD based processors.

[motoadve]

Same here AMD 7800X 3D and 4090, always CPU bound

[Dragzor]

Did u tried that mt.lua ? It mainly helps intel different cores design to fix stutters... but maybe it will help u 2, as it allows more then 1 thread for render core which usually is the most utilized.

You may also test unparking ur cores.

 

 

 

 

[DanWolo4]

Just tried the mt.lua. Looks like some threads have swapped and there is some improvement but still worse than on Intel.

 

Edited December 5, 2023 by DanWolo4

[Lee Dove]

Which VR headset are you using. I had this issue with the Occulus app.

[DanWolo4]

Quest 2 with link cable.

On 12/8/2023 at 3:46 PM, Lee Dove said:

Which VR headset are you using. I had this issue with the Occulus app.

 

Edited December 11, 2023 by DanWolo4

[Lee Dove]

44 minutes ago, DanWolo4 said:

Quest 2 with link cable.

 

 

Ok. I got this problem with MT while using Quest 2 and Occulus, ST was fine. When I got a Quest 3 I had problems with the Link disconnecting AND still had the MT problem. To solve the link issue I got Virtual Desktop, that solved both issues. It seems that there is a conflict between Occulus app and DCS MT when it come to thread usage . The VD setup is miles better in terms of quality and speed in both DCS and MSFS. Best thing I ever did.

 

You do have to pay for VD and have a 5ghz wifi repeater. I use one of the powerline ones so not a big expense given the quality increase.

Edited December 11, 2023 by Lee Dove

[DanWolo4]

Will need a new router then..

Edited December 11, 2023 by DanWolo4