FrameRate Drop with Two Standalone Networked Instances

[ADigitalCrusader]

So, I have two standalone games running in networked mode in Unreal. For some reason, whenever I focus the mouse on one window vs. the other the framerate of the window with the mouse focus increases, and the other drops significantly. I can’t properly test the networked multiplayer with this issue occuring.

I don’t have any CPU or GPU bottlenecking. Not sure what might be causing this issue in the project or editor settings?

Thanks,
Tim

[Mind-Brain]

Hey @ADigitalCrusader!

I found another thread talking about this, see if you might find a solution there!

FPS drop when using multiple windows

I recently noticed, I get 30 fps in editor, but 60 when I run the project as standalone. I’m using two monitors. On the 1st I got the editor (game-view, content browser, etc). On the second monitor is a separate window with the blueprints. When both windows are visible, I get 30 fps. When only the 1st one is visible and the second is hidden, I get 60 fps. I guess It’s not a performance problem, I’m at 30% CPU and 50% GPU usage. I also noticed, it caps pretty much exactly at 30 fps, not just some…

Let us know how it goes!

[ADigitalCrusader]

None of the solutions posted on there work. I’m using Unreal 5.3. I have tried switching from Direct X to Vulkan.,turning off Use Less CPU in background, and changing the value of t.IdleWhenNotForeground.

None of this has solved the issue.

[ADigitalCrusader]

Bump. This is still broken. It completely prevents me from testing networked play properly.