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content/applications/user_software/using_anaconda_package_manager.md
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@@ -253,7 +253,8 @@ Some conda packages available on `conda-forge` and `bioconda` support MPI (via `
@@ -253,7 +253,8 @@ Some conda packages available on `conda-forge` and `bioconda` support MPI (via `
In order to be able to correctly use these MPI packages with the MPI libraries installed on our clusters, two steps need to be performed.
In order to be able to correctly use these MPI packages with the MPI libraries installed on our clusters, two steps need to be performed.
First, at install time, besides the package, the package `openmpi=4.1.*=external_*` or `mpich=4.0.*=external_*` needs to be installed for `openmpi` or `mpich` respectively.
First, at install time, besides the package, the "dummy" package `openmpi=4.1.*=external_*` or `mpich=4.0.*=external_*` needs to be installed for `openmpi` or `mpich` respectively.
 
These "dummy" packages are empty, but allow the solver to create correct environments and use the system-wide modules when the environment is activated.
Secondly, when activating the conda environment and using the package, the system-wide `openmpi/4.1` or `mpich/4.0` module needs to be loaded depending on the MPI library used.
Secondly, when activating the conda environment and using the package, the system-wide `openmpi/4.1` or `mpich/4.0` module needs to be loaded depending on the MPI library used.