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Question by triple3apple · Nov 10, 2018 at 09:27 PM · 2deditorrenderingperformancelag

Really High CPU usage On empty scenes/new projects (ApplicationTickTimer problem) profiler pics

I recently started using unity after a while/hiatus, but there has been a problem with my fps in editor. The fps is always now around 20-30 fps and the game window lags horribly, where before it was around 300-500 since I am making only simple 2d projects and following tutorials. My old 2d projects I created 5 months ago has great fps and does not lag even after I updated Unity to 2018.2.15f1 (newest version as of now). Even when I create a new scene with absolutely nothing in it except for a camera, the frames are still around 20fps (picture below showing this). Profiler picture: alt text

As you see from the picture when I press play the preview the empty scene in game view, the CPU usage increases drastically and only stopping once I exit game view. Also ApplicationTickTimer seems like the issue as it uses most of the CPU during rendering (idk what) and I don't know why. Also note that GPU usage is also very low. I have tried reinstalling Unity and Unity hub and even reinstalled my NVIDIA drivers via GeForce Experience to no avail. I have been stuck with this problem for a few days now, so I have no idea what to do now. My System Info:

  • CPU: i5 6500k

  • GPU: GEFORCE GTX 1060

  • Windows 10

Thanks for reading

unity-problem-profiler.png (157.0 kB)
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