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 <nikhilsambhus@gmail.com> 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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