30% performance loss while OBS is running (not even recording)
Hi! I have an issue with my OBS which is very resource consuming
I know that I have complex overlays with filters and animated elements, however my gaming scene is very minimalistic
The issue is that whenever OBS is running, I lose around 30% of FPS on games i'm playing
A 120 FPS game would run at 90 FPS most of the time with unstable framerate where a 60 FPS game would run around 40 FPS
I don't even need to have a stream or recording running to have that by the way
Here is an example log where I was just recording gameplay on Helldivers 2, and went from 60 FPS average to 40 FPS average
So I did a few tests and some files were quite heavy on OBS, however I still lose 10 to 20 FPS with OBS running (not even recording or streaming)
The curious thing is that my GPU is not 100% nor my CPU so I don't understand why I'm losing performance if they are not running to their max
49 Replies
So I don't understand, the setup shouldn't lose performance?
Obviously I tried running a portable version of OBS without my overlay and I wasn't losing any performance
The issue comes from my overlay i know it, but what? and how can I optimize it?
Here's a log file from a session playing Helldivers 2 where my performances were 30% lower than without OBS running
Moreover some softwares using hardware acceleration like Chrome are running way slower when OBS is running
The PC feels like it's running 100% even though it's clearly not
OBS loses less than 0.1% frames by the way
reduce the complexity of the overlays, remove things you dont need, change mp4 and mov files to webm (see if that helps), have files shutdown when not active (in the properties of the source), reduce the use of gpu resources like the background removal etc.
Epos probly even has a video on this if I had to guess. but you identified the issue already just need to change/try what was mentioned
Yes but most of that items are used regularly
I can’t just get rid of them
How can i optimize them better?
Background removal plugin for exmaple
just a side that I thought of. to test to make sure its not the plugins you have like the vertical plugin causing the issues. so you could duplicate your scene colleciton strip it down to the bare to make sure the key parts of what the plugins use are still there and test again
start with what I mentioned, the parts about not removing. I would also search Epos yt as I am pretty sure he has a video on this and gives more ideas/options
instead of the vitural removal I wonder if a physical green screen would be less intesive, that could be tested too. but thats probly a option after what I mentioned
No i use it as a "fake green screen" to be in front of elements of my overlay
It’s to split me from my background
Yeah youre right i think ill continue doing that
Seems like the best approach
so you are using it as a greenscreen though right
Yes but still keeping my background