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HLRS Software Stacks
HLRS Software Stacks
A new software stack hlrs-software-stack/next on Hawk is available.
You can switch from the default software stack hlrs-software-stack/current to the hlrs-software-stack/next with:
The supported compiler and mpi versions are listed in the table below:
| Stack | gcc | intel | aocc | mpt | openmpi |
|---|---|---|---|---|---|
| previous | 9.2.0 | 19.1.0 | 2.1.0 | 2.23 | 4.0.4 |
| current | 10.2.0 | 19.1.3 | 3.0.0 | 2.26 | 4.1.4 |
| next | 12.3.0 | 2021.9.0 | 4.1.0 | 2.30 | 5.0.5 |
The default Open MPI version was updated to Open MPI 5.0.5. Open MPI supports MPI 4 and brings also many performance improvements, especially for collective operations.
Note: If you encounter issues with the parsing of your program arguments, please make sure that you provide the number of MPI processes to the mpirun command using the "-n" option explicitly.