Why "Initializing" step during code generation from Simulink model takes so long?

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Bartlomiej Stanczyk
评论： Mark McBroom 2023-10-21
There is a big Simulink model. Due to the fact that I am not able to make External Mode running in referenced models, I have merged the referenced models into one big top model. During code generation there is a step "Initializing" that takes very long. For example, the whole compilation and building takes 1 min, while Initialization takes 2 min. Why does it take so long? Is it possible to reduce this time (I am interested in code generation only)?
If this is not possible, I would be grateful for looking at my other question:
Is it possible to autmaticly switch between referenced model and subsystem in Simulink? - MATLAB Answers - MATLAB Central (mathworks.com)
  1 个评论
Mark McBroom
Mark McBroom 2023-10-21
Why are you trying to run a referenced model in external mode... why not run the entire model in external model.
You can use the sldiagnostics function to narrow down the cause of the long initialization time: https://www.mathworks.com/help/simulink/slref/sldiagnostics.html

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