https://github.com/scivision/fortran-parallel-examples

https://github.com/scivision/fortran-parallel-examples

Last synced: 3 months ago
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• Host: GitHub
• URL: https://github.com/scivision/fortran-parallel-examples
• Owner: scivision
• License: mit
• Created: 2023-07-19T19:27:16.000Z (almost 2 years ago)
• Default Branch: main
• Last Pushed: 2024-12-19T01:04:11.000Z (6 months ago)
• Last Synced: 2025-02-11T17:59:42.805Z (5 months ago)
• Language: Fortran
• Size: 17.6 KB
• Stars: 0
• Watchers: 2
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# Fortran Parallel Examples

[![cmake](https://github.com/scivision/fortran-parallel-examples/actions/workflows/cmake.yml/badge.svg)](https://github.com/scivision/fortran-parallel-examples/actions/workflows/cmake.yml)

[![oneapi-linux](https://github.com/scivision/fortran-parallel-examples/actions/workflows/oneapi-linux.yml/badge.svg)](https://github.com/scivision/fortran-parallel-examples/actions/workflows/oneapi-linux.yml)

Examples of parallel runtimes from native Fortran syntax.

[Fortran coarrays or direct MPI operations](https://github.com/scivision/fortran-coarray-mpi-examples)

are in a separate repo.

Examples include:

* do concurrent: including Fortran 202x "reduce" syntax supported by NVIDIA HPC SDK and Intel oneAPI

* OpenACC: directive for Fortran

* openmp: OpenMP threading examples

## OpenMP

macOS users may need to install OpenMP libraries:

```sh

brew install libomp

```

For such a macOS install, tell CMake where OpenMP libraries are by setting environment variable:

```sh

export OpenMP_ROOT=/opt/homebrew/opt/libomp

```

## OpenACC

Not every compiler supports OpenACC.

For example, Intel oneAPI does not support OpenACC, but provides a

[migration tool](https://www.intel.com/content/www/us/en/developer/articles/technical/migration-of-openacc-api-to-openmp-api.html)

from OpenACC to OpenMP.