Exercises (session 6)

Exercises on I/O optimizations.

Directory: Exercises/HPE/day2/VH1-io

I/O experiment with striping.

ALTERNATIVELY look again at MPI with Apprentice

• If you did not do this before, set PAT_RT_SUMMARY=0

• You get trace data per rank when you do this (huge file)

• Set only 2 cycles in the input file (indat)

• Use app2 on .ap2 file to see new displays (see help)

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