You can turn on event logging in MPICH so you can get a detailed log of how MPI is executed. https://wiki.mpich.org/mpich/index.php/Event_Logging Of course, you can add printf anywhere in the source code, too. -- Huiwei On Mon, Mar 23, 2015 at 6:27 AM, Nikhil Sambhus <[email protected]> wrote:

Hello, I am currently learning MPI source code. I would like to add a few printf statements in the source code. Could anyone let me know how to go about with it?

-- Regards, Nikhil Sambhus, B Tech Computer Engineering, COEP.

*"To bug is human, to debug is divine"*

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