Measuring communications is a very tricky process; there's a lot of
factors involved. Check out this FAQ item:
http://www.open-mpi.org/faq/?category=tuning#running-perf-numbers
You might want to use a well-known benchmark program (e.g., NetPIPE,
link checker, etc.) to run pair-wise comm
Hi,
I'm new to this list and wonder if anyone can help. I'm trying to
measure communication time between parallel processes using openmpi. As
an example I might be running on 4 dual core processors (8 processes in
total). I was hoping that communication using shared memory (comms
between dual
