- Use a persistent variable to store the class instance.
- This avoids the overhead of creating the class every time a method is called.
- If your class inherits from 'handle', it can be modified without needing to recreate it, which can be more efficient.
- Utilize directives like 'coder.varsize' and 'coder.inline' to help MATLAB optimize the code generation process.
Generate Code for classes methods
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Hi.
This is more of a clarification question than a "how to", because I got the MATLAB answer and it works, but I have a question about it.
I have a class with several properties and methods. I would like to use code generation to make my script, which uses the class, run faster (specifically for now - using the .mex function). I saw that the solution for generating code from a class method is creating a function that constructs the class, and then calls the method, as described here.
My question is - doesn't it make things much less efficient? the code now, instead of calling just the method itself each time, the function needs to create the class just to call it - every time I want to use it. It becomes even more of a problem if I want to use several methods of the same class, each creating the class every time I call it.
Am I missing something? Is there a more efficient way to do this?
Thank you very much!
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Pratyush
il 11 Lug 2024
Hi,
Creating a class instance every time you want to call a method can indeed introduce overhead and reduce efficiency. You can try out the following to optimize the process:
Hope this helps.
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