GitHub CI Action: install-intel-toolkit

This repository provides a GitHub Action for downloading and caching the Intel Classic and oneAPI compilers for Linux, as well as OpenMP, MPI, and MKL. It is only intended to work with Ubuntu runners.

This repository supports NCEPLIBS CI workflows.

To submit bug reports, feature requests, or other code-related issues including usage questions, please create a GitHub issue. For general NCEPLIBS inquiries, contact Alex Richert (secondary point of contact Hang Lei).

Authors

Alex Richert

Usage

To use this Action, include the following step in your GitHub Actions workflow:

      - name: "Install Intel compilers & MPI"
        uses: NOAA-EMC/ci-install-intel-toolkit@develop
        with:
          install-mpi: true
          mpi-wrapper-setup: oneapi

Inputs

name	description	required	default
install-classic	Install Intel Classic compilers (icc/icpc/ifort)	false	true
classic-version	Set Intel Classic version	false	2023.2.1
install-oneapi	Install Intel oneAPI compilers (icx/icpx/ifx)	false	true
oneapi-version	Set Intel oneAPI version	false	2025.3
install-mpi	Install Intel MPI libraries	false	false
mpi-version	Set Intel MPI version	false	2021.10.0
mpi-wrapper-setup	Choose compilers for MPI wrappers (options: classic, oneapi, none)	false	none
install-openmp	Install Intel OpenMP libraries	false	false
openmp-version	Set Intel OpenMP library version	false	2023.2.1
install-mkl	Install Intel MKL	false	false
mkl-version	Set Intel MKL version	false	2023.2.0
env-update	Apply environment modifications to $GITHUB_ENV	false	true
cache	Cache to repository cache with actions/cache	false	true
shell	Which shell to use/setup	false	bash
compiler-setup	Set CC, CXX, FC as part of environment setup ("env-update"); choose "oneapi" or "classic"	false	""
oneapi-fortran-compiler	Set FC to ifx or ifort for oneAPI compilers (options: ifx, ifort; ifort only available 2023.x & 2024.x)	false	ifx
force-cache-save	Save cache as long as toolkit installation is successful (i.e., do not wait for whole workflow to finish)	false	true

Disclaimer

The United States Department of Commerce (DOC) GitHub project code is provided on an "as is" basis and the user assumes responsibility for its use. DOC has relinquished control of the information and no longer has responsibility to protect the integrity, confidentiality, or availability of the information. Any claims against the Department of Commerce stemming from the use of its GitHub project will be governed by all applicable Federal law. Any reference to specific commercial products, processes, or services by service mark, trademark, manufacturer, or otherwise, does not constitute or imply their endorsement, recommendation or favoring by the Department of Commerce. The Department of Commerce seal and logo, or the seal and logo of a DOC bureau, shall not be used in any manner to imply endorsement of any commercial product or activity by DOC or the United States Government.