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Add example LocalPreferences.toml file to parallelization.md #1660

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Oct 22, 2023
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Add example LocalPreferences.toml file to parallelization.md #1660

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Add example LocalPreferences.toml file to parallelization.md
jlchan Oct 5, 2023
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Merge branch 'main' into jlchan-patch-2
jlchan Oct 9, 2023
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Update docs/src/parallelization.md
jlchan Oct 21, 2023
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Merge branch 'main' into jlchan-patch-2
jlchan Oct 21, 2023
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sloede Oct 22, 2023
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27 changes: 26 additions & 1 deletion docs/src/parallelization.md
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Expand Up @@ -70,7 +70,32 @@ the same for P4est.jl and T8code.jl. This could e.g. be `libp4est.so` that usual
in `lib/` or `local/lib/` in the installation directory of `t8code`.
In total, in your active Julia project you should have a LocalPreferences.toml file with sections
`[MPIPreferences]`, `[T8code]` and `[P4est]` as well as an entry `MPIPreferences` in your
Project.toml to use a custom MPI installation.
Project.toml to use a custom MPI installation. A `LocalPreferences.toml` file
created as described above might look something like the following:
```toml
[HDF5]
libhdf5 = "/usr/lib/x86_64-linux-gnu/hdf5/openmpi/libhdf5.so"
libhdf5_hl = "/usr/lib/x86_64-linux-gnu/hdf5/openmpi/libhdf5_hl.so"

[MPIPreferences]
__clear__ = ["preloads_env_switch"]
_format = "1.0"
abi = "OpenMPI"
binary = "system"
cclibs = []
libmpi = "/lib/x86_64-linux-gnu/libmpi.so"
mpiexec = "mpiexec"
preloads = []

[P4est]
libp4est = "/home/mschlott/hackathon/libtrixi/t8code/install/lib/libp4est.so"
libsc = "/home/mschlott/hackathon/libtrixi/t8code/install/lib/libsc.so"

[T8code]
libp4est = "/home/mschlott/hackathon/libtrixi/t8code/install/lib/libp4est.so"
libsc = "/home/mschlott/hackathon/libtrixi/t8code/install/lib/libsc.so"
libt8 = "/home/mschlott/hackathon/libtrixi/t8code/install/lib/libt8.so"
```


### [Usage](@id parallel_usage)
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