TimeCommunication - returns average time taken for MPI_Allgather over n
calls with m byte
n m TimeCommunication -> time
The function allows a user to test how much time a call the Allgather costs
NEST 2.0
Abigail Morrison
August 2009
/var/www/debian/nest/nest-simulator-2.18.0/nestkernel/nestmodule.cpp