Memory not released from closed figures, also not by closing Matlab. Only by end process tree.

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Garrett Good 2017-5-5

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https://ww2.mathworks.cn/matlabcentral/answers/338874-memory-not-released-from-closed-figures-also-not-by-closing-matlab-only-by-end-process-tree

评论： Ritesh Chandna 2017-5-10

I have some code and generate figures with a decent amount of data but nothing that overwhelms normal machines (using windows xp). e.g. 2 contour plots and a 1000 line plot. If I close figures and plot some new ones, after a few times things slow to a crawl and 95+% of my ram is tied up in matlab. Closing matlab doesn't release it. It remains as a process in task manager and only an "end process tree" releases it.

I'd note that this computer has integrated graphics. I wondered if figures typically take up GPU memory on a dedicated card and this is managed there, or however that works? (I'm also curious to know if gpu memory is the limiting factor on slow plots, e.g. scatter plots with >1e5 points).