Hey guys!
I tried to ask this question on Answerhub but without success. My frame rate drops whenever I use Material Editor,Static mesh viewer or just toolbar menu. This happens even with a blank map. For example:
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Turn on realtime rendering in viewport
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Click on "File" menu in the main toolbar
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Move the cursor on the "Edit" menu (or to any other menu in toolbar) then back on "File"
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Right click on the perspective viewport and rotate the camera view
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Check fps
I have to repeat step 3 and 4 a few times to make this happen. Right after I close menu clicking on viewport my framerate drops from 30 to 15. Turns out that UE4 process also drops CPU usage from 30% to 10-15%.
I run UE4 on laptop and use optimus (high performance adapter using by default). It doesn’t look like an overheating as my graphics card temperature is 50-55C and CPU is 60-70C. My system specs:
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Windows 7 64bit
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Intel Core i5-520M
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8 GB DDR3
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1GB GTX 560ti
P.S. I didn’t find any power management settings related to CPU or GPU, just a battery manager and few settings in BIOS that do not help.
Thanks.