Starting from July 24th 2023, Setonix will count with compute nodes with the new Cray Programming Environment (CPE) 23.02. This update to CPE will result in better performance of the supercomputer, but will also imply a series of modifications/updates in the whole working environment to users. The purpose of this page is to consolidate in one place all the important points that users will need to pay attention, together with the recommended actions/changes to take.

What is the CPE, what is new in 23.02 and consequences for users

• MPICH has changed

The provided software stack has changed

Updated software that now has new versions

Recompiled software that kept previous version

GPU capable tools

Spack installations now use version tags

Users own software will need to be recompiled

For own software installed with Spack, do this:

New ROCm 5.5

Use of HIP

...

Detailed changes, actions and recommendations