Exercises (session 5)

Exercises on MPI optimizations.

Exercises are in Exercises/HPE/day2/ProgrammingModels.

Test the Pi example with MPI or MPI/OpenMP on 4 nodes and 4 tasks.

Show where the ranks/threads are running by using the appropriate MPICH environment variable.

Use environment variables to change this order (rank-reordering)

Materials

Archived materials on LUMI:

• Exercise assignments in /appl/local/training/paow-20251022/files/LUMI-paow-20251022-Exercises_HPE.pdf

• Exercises as bizp2-compressed tar file in /appl/local/training/paow-20251022/files/LUMI-paow-20251022-Exercises_HPE.tar.bz2

• Exercises as uncompressed tar file in /appl/local/training/paow-20251022/files/LUMI-paow-20251022-Exercises_HPE.tar