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35 lines
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888 B
Markdown
35 lines
No EOL
888 B
Markdown
---
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title: "OpenMPI on Fedora"
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date: 2022-05-03T00:52:38-04:00
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draft: false
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tags: []
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math: false
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---
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To use use the OpenMPI compilers (mpicc, mpic++, etc.) and mpirun
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on Fedora, you'll need to install the openmpi package as well
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as set up the envionrment paths correctly.
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To install:
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```bash
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sudo dnf install openmpi
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```
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Then to set up the environmental variables correctly
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so that PATH is set. You'll need to use the
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[environment modules](https://modules.readthedocs.io/en/latest/)
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program installed by default on Fedora. First, you'll
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need to source it:
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```bash
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source /etc/profile.d/modules.sh
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```
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Now you can load in the OpenMPI module
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```bash
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module load mpi/openmpi-x86_64
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```
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Finally, with these changes you can use the compiler
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tools and runner. Do note that you'll have to source
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and load the OpenMPI module for every shell you open
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unless you add it within `$HOME/.bashrc`. |