Matlab HIGH cpu usage even when idle

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ondrej
ondrej on 11 May 2012
Commented: Brett Schmidt on 18 Feb 2019
The CPU load is very high all the time. Even fresh after starting matlab with no variables and no programs running.
Its about 35%-45% all the time. Here you can see the trace in time of Matlabs cpu load:
Setup: r2012a on win7 64bit, 8gb ram, 200gb free disk space,intel U9400 2core cpu(laptop),java Version 6 Update 31.
What can be causing this?
thx
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Pief
Pief on 17 Jan 2019
2019 and still have this problem. matlab_R2017b using a lot of energy/memory (it's always 'using significant energy' according to the battery dropdown) even when not running any code. macbookpro 2.7ghz, 8gb ram, macos mojave 10.14.2. Any solutions?
Brett Schmidt
Brett Schmidt on 18 Feb 2019
I am also suffering this issue right now. I can't even use the text editor.

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