Hello,
in C i used an own variable MPI_Comm comm;
How can i do this in C++ ? I try something like MPI::COMM_WORLD comm;
But this does not work.
Am i able to define an own Communicator? Or is it slower if i use in every MPI-routine call something like
MPI::COMM_WORLD.<routine> ?
What i wanted was this:
MPI::COMM_WOLRD comm;
function(comm);
//somewhere in function:
comm.Send(...);
Is this possible?
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