Well, there are three easy ways to do this:
1. put OMPI_MCA_mpi_warn_on_fork=0 in your environ (you can even do that within
your code prior to calling MPI_Init)
2. put mpi_warn_on_fork=0 in your default MCA param file
3. add -mca mpi_warn_on_fork 0 to your mpirun cmd line
On May 24, 2010, at
Our project is fork / exec'ing in some cases to provide a service for
some of the processes within our MPI job. Open MPI spews big warnings
to the terminal about this. It explains how to disable the message,
but I'd really like it to not pop up regardless.
The child process does not perform any
