Can I run two or more Simulink test cases in parallel using Parallel Computing Toolbox?

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MathWorks Support Team 2024-10-31

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回答： MathWorks Support Team 2025-3-18

I have a test runner, which is part of the 'matlab.unittest.testrunner' class. The test suite that is being passed in contains multiple Simulink test cases, which is part of the 'sltest.testcase' class.
Is it possible to run multiple Simulink test cases in parallel using 'parsim' or any other Parallel Computing Toolbox functionality?

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Answer 1

MathWorks Support Team 2024-10-31

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Yes, you are able to run multiple Simulink test cases in parallel using 'parsim'.

'parsim' simulates a model using the inputs specified in the 'SimulationInput' object, in. The 'parsim' function uses an array of 'SimulationInput' objects to run multiple simulations. Therefore, if you call the 'parsim' function with an array of 'SimulationInput' objects, you can run multiple simulations.

You can define your Simulink test cases using 'slstest.testmanager.TestCase', create a 'Simulink.SimulationInput' object for each test case, add all of the 'Simulink.SimulationInput' objects to an array, and then pass in the array to 'parsim' to execute the test cases in parallel.

Below are some documentation links on how to use 'parsim', 'slstest.testmanager.TestCase', and 'Simulink.SimulationInput':

https://www.mathworks.com/help/simulink/slref/parsim.html

https://www.mathworks.com/help/simulink/slref/simulink.simulationinput.html

https://www.mathworks.com/help/sltest/ref/sltest.testmanager.testcase-class.html

Please note that the 'parsim' function requires the Parallel Computing Toolbox license to run the simulations in parallel.