NO improvement using MT version of DCS

[Chad Vader]

I play in 4k, max settings (generally) get 40 ish fps..

With MT I still get 40k ish FPS, so no improvement at all.  Working on track files

Looking for input.  Thanks

 

DxDiag.txt

Edited March 10, 2023 by Chad Vader

[zildac]

Likely based on your spec you are GPU limited. Especially based on max settings at 4K

[Chad Vader]

Yea my GPU is a bottleneck, was hoping I would see some improvement from MT, but..nothing at all?

[Vakarian]

Well, yeah. Your GPU is already working as hard as it can. Throwing more stuff at it won't make it run faster

[=OPS=Slider]

MT is for CPU, not GPU...

[Chad Vader]

Yes I know....

[NineLine]

Have you thought about coming down from 4K at all? At least to try it. 

[Chad Vader]

I always have issues on my monitor downscaling the resolution to 1440 windowed... I get screen flickering and when i click on my second monitor the monitor refreshes the entire display.  I'll give it another whirl though

[NineLine]

try going 1440 full screen, see if that helps at all. In your case when DLSS comes out it might help some as well. 

[=OPS=Slider]

10 minutes ago, Chad Vader said:

Yes I know....

So what kind of performance increase were you expecting? You said it yourself that you know you are GPU bound, so more CPU is not gonna do anything, lol

[Chad Vader]

So whats the point of multi threading at all then?  If people are not GPU bound, and not CPU bound?  If I get a new GPU then MT isnt going to help me either because neither will be bottlenecked?  Whats the point?

[zildac]

1 minute ago, Chad Vader said:

So whats the point of multi threading at all then?  If people are not GPU bound, and not CPU bound?  If I get a new GPU then MT isnt going to help me either because neither will be bottlenecked?  Whats the point?

I think the point is that many of the AI assets, scripts and so forth are heavily reliant on the CPU, so by introducing MT, missions where those elements would usually cause slowdowns etc are significantly improved.

Edited March 10, 2023 by zildac

[NineLine]

2 minutes ago, Chad Vader said:

So whats the point of multi threading at all then?  If people are not GPU bound, and not CPU bound?  If I get a new GPU then MT isnt going to help me either because neither will be bottlenecked?  Whats the point?

As an example, I have an i9 11900K and a 2080TI, I saw a big increase as DCS took advantage of my CPU better. Now I will start running up against my GPU, but the fact that I get over 100+ easily in most cases puts me in a place I can relax for a while. 

[=OPS=Slider]

Also, if you get a new, more powerful GPU, CPU will also wake up because there's gonna be more stuff to compute. At the moment since your GPU is maxed out, CPU is doing only as much as it needs to keep up in line with your GPU.

Another way to look at it. Your CPU is a personal trainer. CPU went for a run with a fat GPU. It was a walk in a park for your CPU. The next day, same scenario, CPU goes for a run, but this time with a skinny GPU, so it has to give a bit more output to keep up the pace with faster GPU. Makes sense? lol

[steveman]

Fantastic improvement on my old pc.

I7 980X . GTX 1070 . RAM GT dominator DDR3......!!!!!

From 40-60 FPS to 90-100 FPS

Single player.  Soft as butter..

[Eldur]

3 minutes ago, NineLine said:

As an example, I have an i9 11900K and a 2080TI, I saw a big increase as DCS took advantage of my CPU better. Now I will start running up against my GPU, but the fact that I get over 100+ easily in most cases puts me in a place I can relax for a while. 

On my old 3570k with the 1080 I could fly in VR offline well enough with mostly rock stable 45fps in the CV1. Not the ideal 90fps, but it was great still. Going to multiplayer or playing excessively scripted missions would dump me down into the single digits even in pancake, because the CPU just couldn't handle all at the same time - guess there it would alleviate that drop a lot. In other words: I wouldn't expect better fps in rather clean test scenarios at all, but less violent performance drops due to AI or scripts activity or maybe, ideally, none of them at all anymore.

[MARLAN_]

13 minutes ago, Chad Vader said:

So whats the point of multi threading at all then?  If people are not GPU bound, and not CPU bound?  If I get a new GPU then MT isnt going to help me either because neither will be bottlenecked?  Whats the point?

You before MT:

CPU max perf:

xxxx

GPU max perf:

xxx

Total perf:

xxx

 

After MT:

CPU max perf:

xxxxxxxxxx

GPU max perf:

xxx

Total perf:

xxx

 

If you got a new GPU

CPU max perf:

xxxxxxxxxx

GPU max perf:

xxxxxxxxxx

Total perf:

xxxxxxxxxx

[fjacobsen]

With the new MT update I get the following in VR with Meta Quest 2 using OpenXR and OpenXR Toolkit:

AH-64D Apache on Syria Map:

Before MT: ~41-46 FPS

After MT: ~52-56 FPS

 

F-14B on Super Carrier Caucasus of the coast of Batumi:

Before MT: ~40-45 FPS

After MT: ~52-56 FPS

 

F-16 On Caucasus Map:

Before MT: ~44-48 FPS

After MT: ~57-60 FPS

 

 

Edited March 10, 2023 by fjacobsen

[doclucio]

hi guys, just a stupid question, i launch vr directly from the new .exe file and everiything starts with open xr as always. I did not understand where should i write "--force_enable_VR"

Can you help please?!?

[Chad Vader]

Thanks all for the input, I understand the situation a lot clearer now, but my wife doesnt! lol

[Chad Vader]

Any idea how to play in windowed mode in 1440 on a 4k monitor?  The screen game stretch to fill the display.  i Cant play in full screen because I cant click off the main window..

[Tobur]

Sadly also no improvement for me. Theoretical 170 fps though.. Time for an update. 5600x with 3070. And I thought I was actually cpu bottlenecked and not gpu..