OBS cause in game fps drops

Archillect · May 16, 2017

My games drop massive fps drops when i open up OBS studio it hasn't done it before not sure why its doing it now. Anyone ideas? My setup is i7-4790k and gtx 1080 32 gb ram ddr3 1866mhz

James Mason · May 16, 2017

You can try OBS since it's free:
https://obsproject.com/
And here's how to set it up for local recordings, as well as use multiple audio tracks if you desire.
https://obsproject.com/forum/resources/obs-studio-high-quality-recording-and-multiple-audio-tracks.221/
And to set it up for Twitch:
http://help.twitch.tv/customer/portal/articles/1262922-open-broadcaster-software
And to get it setup for Youtube streaming:
https://support.google.com/youtube/answer/2853700?hl=en&authuser=1&ref_topic=6136989
And optimizing it for Youtube:
https://support.google.com/youtube/answer/2853702?authuser=1

Archillect · May 16, 2017

James Mason :

Already got obs im just wondering why all of sudden making my system lag or fps lag my games because it never did it before.

James Mason · May 16, 2017

Archillect :

Did you install any new software? Or get a virus?

Archillect · May 16, 2017

James Mason :

Not really ? I always got windows defender running so im sure that would notify me no ?

James Mason · May 16, 2017

Archillect :

James Mason :

Not really ? I always got windows defender running so im sure that would notify me no ?

Windows Defender is pretty bad.
https://www.malwarebytes.com/

Archillect · May 16, 2017

James Mason :

Archillect :

Windows Defender is pretty bad.
https://www.malwarebytes.com/

Safe link ??

James Mason · May 16, 2017

yes, it's for an antimalware scanner that actually works.

Archillect · May 16, 2017

James Mason :

Just ran it and found 0 threats so what could be causing it to make my game lag ? only when i have obs open it lags but when i close it. I get my stable fps back.

James Mason · May 16, 2017

Well make sure your OBS settings are good. Check the 2nd link I posted.
You can also try a software like Process Lasso to manually assign programs to specific CPU cores:
https://bitsum.com/

You can try it out first with task manager, but task manager doesn't do permanent assignments.

There's no reason OBS should be causing your games to lag, unless thy're all trying to use the same CPU core.

Archillect · May 16, 2017

James Mason :

I will try that in a bit Hopefully this works

Archillect · May 16, 2017

James Mason :

Now what should i do I ran the program

James Mason · May 16, 2017

Start OBS, find the obs.exe/obsstudio.exe process, right click it, CPU Affinity > Always > Select CPU Affinity, uncheck all of the boxes except CPUs 3 and 7.

Save/apply, try using OBS again.

Also maybe get some temp monitor software like HWMonitor. It's possible OBS + a game is overheating your CPU. But OBS should only use like 2-10% of your CPU if configured right.

Archillect · May 16, 2017

James Mason :

By save and apply you mean close lasso or ? Cause i dont see a save or apply option

James Mason · May 16, 2017

Archillect :

I meant click the ok button for the CPU affinity window. leave process lasso running. If you minimize it should minimize to the system tray. (where the audio and network icons are)

Archillect · May 16, 2017

Thanks this actually worked! Thank you very much! I appreciate it alot! HOPE YOU FIND 50 DOLLAR BILL

hope this helps others as well

Carnaxus · May 16, 2017

Tip for at least slightly improving any game: Set the affinity of your game .exe's to not use CPU0; Windows uses that core almost exclusively, so by telling your games not to use it you avoid having your games compete with Windows. If you set steam.exe to not use CPU0, no game you launch from Steam, including from desktop shortcuts, will use CPU0 either; the same should apply to Origin, Arc, uPlay, etc.

OBS cause in game fps drops

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