How can I clear the RAM memory used by MATLAB without closing the window?
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André Brás
el 28 de Nov. de 2017
Comentada: Matthew Creek
el 24 de Ag. de 2023
Hello everybody, I need your help!
I am using MATLAB and the Kinect for Windows to acquire the skeletal data and everything is going fine. However, after a while, I get an error due to insufficient free RAM memory. The acquisition is stopped and I try everything to clear the memory: clear, clear all, clearvars -global, close all, but nothing works - the memory is not cleared and I can't acquire more data.
Can anybody tell me a command to clear the RAM memory without closing the window?
Thank for your attention. Best regards.
2 comentarios
Juan Reyes
el 12 de Jun. de 2018
Hello André, Did you find the solution? I'm having kind of the same problem here. Thank you!
Adhiti Raman
el 21 de Jul. de 2018
I'm having the same issue. Did either one of you find out how to fix this?
Respuesta aceptada
Jan
el 21 de Jul. de 2018
There are 2 causes for an exhausted RAM:
- The code requires more RAM than you have.
- There is a memory leak in the code. While this is very rare in Matlab code, it can happen in C code very easily. Posting the used code would help to identify the problem.
In the case 1., the standard solutions are:
- Install more RAM
- Use 64 bit versions of Matlab and OS
- Close other applications
- Use the smallest suitable data type. If you store a list of data, which has integer values from 0 to 255, using a double requires 8 byte per element, while an uint8 needs 1 byte only.
- Increase the virtual memory of the operating system
- But the most powerful solution is point 1: Install more physical RAM. More more more.
For case 2.: We cannot guess the reasons without seeing the code or at least the names and versions of the used libraries and Matlab.
2 comentarios
Adhiti Raman
el 23 de Jul. de 2018
In this case, I don't think more RAM was the answer. I have 16 GB RAM, which should have been more than enough. I don't know why the error showed up, but deleting the imaq object with imaqreset before running my code again worked.
Matthew Creek
el 24 de Ag. de 2023
Here are some links to related documentation:
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Adhiti Raman
el 23 de Jul. de 2018
Editada: Adhiti Raman
el 23 de Jul. de 2018
So I fixed this error by running imaqreset at the start of my code.
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