Dear developers of Intel-MPI,
I found, that the helpful option -prepend-rank does not work when launching a parallelized Ftn-code with mpirun when using INTEL MPI-5.0 :
mpirun -binding -prepend-rank -ordered-output -np 4 ./a.out
The option actually has no effect with INTEL MPI-5.0 (with INTEL MPI-4.1 it worked). No rank-numbers are prepended on the display to the output lines of the program.
By the way: Can anyone tell me what the other option -ordered-output actually does? I included it, hoping for a less confuse output from the different ranks on the display, but I have never seen an effect. The mpirun –help info is too short. Are there somewhere more detailed explanations of the options?
Can you fix that –prepend-rank bug soon? It is a really valuable option for debugging.