How to use multiple cores for simulink

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Lucky
Lucky il 19 Mar 2021
Commentato: Lucky il 26 Mar 2021
I am trying to use multiple cores to run thiis file. For this I have to create different atomic subsystems in order for the processor to access each subsystem separately so I have created different atomic subsystems viz. 1 2 3 4 &5. Now since these blocks interact with each other so I am getting algebraic loop error. Also I have a few questions regarding parallelization of the cores:
  1. It says ignored and I have already tried unchecking (Select Code Generation > Interface > Advanced parameters, clear the MAT-file logging check box.), but this doesn't go away. So what should I do about this?
  2. I need to read a file from workspace, is it possible while using parallel cores or should I think of other ways to do it.?
Thanks in advance for your time and response

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Kiran Felix Robert
Kiran Felix Robert il 22 Mar 2021
Hi Lucky
I understand that you get an algebraic loop warning when trying to simulate your Simulink model in multiple cores. This is because the subsystems which you run in parallel have a data dependency. This can be resolved when you use unit-delay blocks to break the direct dependence. Refer this documentation for more details on that, Run Co-Simulation Components on Multiple Cores.
When you run simulations in parallel, you need load the data from workspace on every worker. Refer the parfevalOnAllor the spmdto learn more about these.
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Lucky
Lucky il 26 Mar 2021
Putting a delay solve the algebraic loop problem. Thanks a lot Kiran.

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