When you log in, the GNU prgenv with GCC would be loaded by default, but can be easily changed. For example, to use the Intel Programming Environment or toolchain:
No Format |
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module load prgenv/intel |
See HPC2020: Compilers and The prgenv module for more details on how to customise your build environment and toolchains
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Compiler default versions for each family are:
Compiler | Version |
---|---|
GCC | 8.4.1 |
Intel | 2021.4.0 |
AOCC | 3.1.0 |
For MPI, Vendor OpenMPI, intel MPI and HPCX OpenMPI are available. The default version for each family are:
MPI flavour | Version |
---|---|
Atos OpenMPI | 4.1.1.1 |
Intel MPI | 2021.4.0 |
HPCX OpenMPI | 2.9.0 |
Tip | ||
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The recommended toolchain for performance at this stage is:
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