R2022b Excessive Runtimes (MacOS)

Question

Kayson 2023-3-10

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https://ww2.mathworks.cn/matlabcentral/answers/1926710-r2022b-excessive-runtimes-macos

回答： Vinayak Gupta 2023-4-4

I am attempting to run a small script that utilizes a few methods from a class in my working directory.

The entire script is maybe 10 lines, but will not terminate despite letting the machine run upwards of 3 minutes (with no other apps running in the background). My machine specs and software are as follows:

macOS: Ventura 13.1

Chip: M1

Model: MacBook Pro, 13-inch, 2020, 8 GB Memory

MATLAB Software: R2022b, Update 3 (64-bit) for academic use

I am incredibly new to MATLAB and have not really coded in any Java based language before, so non-technical terms would be appreciated very much.

The script is attempting to do image processing on a single image, which, while somewhat of a hefty operation, I don't think should be maxing out my CPU at >700%.

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Rik 2023-3-10

Without the code it is impossible to really help you.

The number of lines is also a poor indication of the complexity, as a small number of lines can still call an intensive process. It is trivial to write a single line that results in days of work for your CPU.

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Answer 1

Vinayak Gupta 2023-4-4

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Hi Kayson

It is very difficult to help without code. ALso, MATLAB for M1 is in open beta right now so, there can be some unexpected behaviours.

General troubleshooting can include:

Checking your hardware meets the minimum requirements for MATLAB.
Disabling unneccessary toolboxes and features in matlab.
Update your code to use built-in functions and vectorized operations wherever possible.
Also, you can use matlab profiler to figure out what is slowing down your code.

Read more about Image Processing Toolbox