Unlike cached approach, this is simpler but takes much longer to setup on each run.
Intel APT repo is used.
Last active
June 24, 2025 20:07
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Intel oneAPI GitHub Actions with MKL and MPI (C, C++, Fortran) and CMake
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| # this method does not use Github Actions cache--good for infrequent simple runs | |
| jobs: | |
| linux-intel-oneapi: | |
| runs-on: ubuntu-latest | |
| strategy: | |
| matrix: | |
| oneapi: [2025.1] | |
| steps: | |
| - name: Intel Apt repository | |
| timeout-minutes: 5 | |
| run: | | |
| curl -sS -L https://apt.repos.intel.com/intel-gpg-keys/GPG-PUB-KEY-INTEL-SW-PRODUCTS.PUB | gpg --dearmor | sudo tee /usr/share/keyrings/oneapi-archive-keyring.gpg > /dev/null | |
| echo "deb [signed-by=/usr/share/keyrings/oneapi-archive-keyring.gpg] https://apt.repos.intel.com/oneapi all main" | sudo tee /etc/apt/sources.list.d/oneAPI.list | |
| sudo apt-get update -o Dir::Etc::sourcelist="sources.list.d/oneAPI.list" -o APT::Get::List-Cleanup="0" | |
| - name: Install Intel oneAPI compilers | |
| timeout-minutes: 5 | |
| run: sudo apt-get install --no-install-recommends intel-oneapi-compiler-fortran-${{ matrix.oneapi}} intel-oneapi-compiler-dpcpp-cpp-${{ matrix.oneapi }} | |
| - name: Setup Intel oneAPI environment | |
| run: | | |
| source /opt/intel/oneapi/${{ matrix.oneapi }}/oneapi-vars.sh | |
| printenv >> $GITHUB_ENV | |
| - name: checkout project code | |
| uses: actions/checkout@v4 | |
| - name: CMake Configure | |
| run: cmake -B build | |
| - name: CMake build | |
| run: cmake --build build | |
| - name: CMake test | |
| run: ctest --test-dir build |
Author
https://github.com/scivision/fortran-filesystem/blob/main/.github/workflows/oneapi-linux.yml
This uses auxiliary scripts and cache still takes a couple minutes to setup. I didn't switch to cached in other projects as a result of not much time savings and additional setup hassle
I was using the exact same Install Intel oneAPI step (without the ninja_build) and the apt installation takes almost 3 and half minutes, whereas the cache setup took 50 sec.
@scivision Does all this still work for you? For some reason now it's like intel oneAPI's setvars.sh isn't adding to PATH where ifort is and I need to do:
FC: /opt/intel/oneapi/compiler/2024.0/bin/ifort
Do you know if there is some extra things now needed to get ifort out of an intel-oneapi apt install?
Author
I don't know, I don't use "ifort" anymore. Here is what I'm updating this Gist with, that has recently run (November 2023): https://github.com/scivision/fortran2018-examples/blob/main/.github/workflows/oneapi-linux.yml
Author
@Koushikphy here is the cached version https://gist.github.com/scivision/b22455e3322826a1c385d5d4b1a8d25e
I don't know, I don't use "ifort" anymore. Here is what I'm updating this Gist with, that has recently run (November 2023): https://github.com/scivision/fortran2018-examples/blob/main/.github/workflows/oneapi-linux.yml
So I just made my workflow file look like this gist:
https://github.com/Goddard-Fortran-Ecosystem/pFUnit/actions/runs/7048495483/workflow
(fixing the install for Intel MPI) but the run dies:
https://github.com/Goddard-Fortran-Ecosystem/pFUnit/actions/runs/7048495483/job/19184779771
I have:
env:
FC: ifx
CC: icxand then:
- name: Versions
run: |
${FC} --version
${CC} --version
mpirun --version
cmake --versionand it's failing with:
/home/runner/work/_temp/cb650a95-20a2-4f19-8de3-453e0635ddd4.sh: line 1: ifx: command not found
Author
changes to $GITHUB_ENV persist across steps in a job per https://docs.github.com/en/actions/learn-github-actions/variables
On my Linux workstation, "ifx" is at /opt/intel/oneapi/compiler/2023.2.0/linux/bin/ifx which is on your runner's PATH
Maybe it's a GA YAML syntax issue? Should that command be
${{ env.FC }} --versionOtherwise try temporarily commenting out that "Versions" step and see if CMake detects oneAPI as expected.
Sigh. Nope, unhappy:
https://github.com/Goddard-Fortran-Ecosystem/pFUnit/actions/runs/7051576623/job/19194785582
It's obviously seeing FC as CMake tried to use ifx but ifx is just not in the path. It's like setvars.sh isn't...setting all the vars.
Hi @mathomp4, I have exactly the same problem with ifort that you are reporting. Any ideas on how to solve it?
I found this, https://fortran-lang.discourse.group/t/oneapi-on-ubuntu23010/6878/21. It would seem like the problem is with oneAPI.
I found this, https://fortran-lang.discourse.group/t/oneapi-on-ubuntu23010/6878/21. It would seem like the problem is with oneAPI.
Ooh. Let me give that a try!
Yep. That seems to have worked!
https://github.com/Goddard-Fortran-Ecosystem/pFUnit/actions/runs/7397692487/job/20125281071
Now to start bringing back all my other CI that I commented out! Thanks!
Good! I'll try to do the same in my ifort CIs.
Author
Thanks I've corrected this example. I'm going to make it a repo so it will run in Github Actions.
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Can you update this with caching the installation step?