how can we debug parfor loop

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Mallikarjun Bangi
Mallikarjun Bangi 2017-7-25
编辑： Abhishek 2025-7-1
when i am working using "parfor" condition, i am not able to put a breakpoints for debugging.

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Abhishek
Abhishek 2025-7-1
编辑：Abhishek 2025-7-1
Hi @Mallikarjun Bangi,
While working with 'parfor' loop, the best way to debug is to implement and test the loop logic first with a standard 'for' loop. This enables you to set breakpoints, examine variables, and execute the code step-by-step. After logic is debugged, and the code is properly test, the loop can be changed to 'parfor' to leverage parallel execution.
For advanced use cases, options like 'spmd' or 'parfeval' provide more control and flexibility in parallel programming and may suit situations that require finer-grained debugging or communication between workers.
You can check the official documentation of MATLAB for more information:

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