NVIDIA has 2 OBS profiles with a slightly different setting

[ciinTri]

I was looking through various profiles in NVIDIA Profile Inspector, only to discover that there are 2 different OBS profiles.

One is called "OBS Studio", it gets detected in NVIDIA Control Panel's Program Settings if "Show only programs found in this computer" is ticked.

And the other one is called "Open Broadcaster Software", which has 1 NVIDIA Pre-defined setting that "OBS Studio" Profile does not, being "CUDA - Force P2 State". You can only see this profile in NVCP if you untick "Show only programs found in this computer".

As you can see, both Profiles have slightly different settings. "Open Broadcaster Software" has a Pre-defined setting on CUDA - Force P2 State, while the other OBS Profile "OBS Studio" does not.

Wouldn't this create conflict since both NVIDIA Profiles are utilizing "obs64.exe" and have settings that differ?

 

[koala]

My understanding is that whatever nvcpl detects as found on this computer, is also used by the driver. So if you find 4 profiles and one of them is displayed as found on this computer, this profile is being used and the others not.

 

[ciinTri]

Good to know, however it is still weird that there are 2 profiles reading the same executable file, and having different settings which would probably be worth looking into.

Also I forgot to include that there is another NVIDIA Pre-defined setting in "Open Broadcaster Software" profile.

I'm well aware Optimus only applies on NVIDIA laptops.

From how I see it , I'm guessing there's a possibility that "Open Broadcaster Software" could've been made for older versions for OBS.
Even if this was the case, the question is why was it kept in the future drivers? Why would they include 2 OBS profiles in there with different Pre-defined settings? There's no way NVIDIA did this on purpose no?

I looked into other Live Streaming softwares and so far, most of them have a Pre-defined setting on "CUDA - Force P2 State" being turned off. This includes XSplit, vMix, and even Streamlabs OBS. I think it would be important to know that "OBS Studio" profile (the one being read in NVCP) doesn't have this Pre-defined setting, which "Open Broadcaster Software" profile has. There are also other live streaming softwares but they simply don't even have an NVIDIA profile.

 

[ciinTri]

Found something on how CUDA - Force P2 State affects performance

TL;DR based on thesword53's statement, having it turned on means
- More GPU power consumption
- Slightly less performance in gaming when users streams or record games with NVENC encoder

We can disable Force P2 State with Profile Inspector, however it would still reset to default setting when updating the driver, even if you do express installation. Best you can do is save your setting in Profile Inspector then import your saved setting every driver update, or delete "OBS Studio" profile so that the other profile "Open Broadcaster Studio" will be used instead.

 

[ciinTri]

It seems R1CH also has come across this years prior, even he explicitly said that P2 States should be turned off by default.
This has been going on for years now, with "OBS Studio" and "Open Broadcaster Software" having different settings.

Starting obs makes my vram clock below average..

I need help. This is a weird situation where before I start a recording, my gpu vram clock is around 7425. But, when I start recording my memory falls below even stock clocks. This fewer memory clock causes some stuttering in games, weirdly only rythm games other competitive games is alright...

obsproject.com