docker: add ARM64 base image support using GitHub runners #2751
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mloubout
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Oct 1, 2025
Codecov Report❌ Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## main #2751 +/- ##
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- Coverage 83.05% 83.05% -0.01%
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Files 248 248
Lines 50294 50284 -10
Branches 4426 4423 -3
==========================================
- Hits 41773 41762 -11
+ Misses 7763 7762 -1
- Partials 758 760 +2
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You are right. Will fix and push again. |
ggorman
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mloubout
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Oct 1, 2025
.github/workflows/docker-bases.yml
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| tags: "devitocodes/bases:cpu-gcc${{ matrix.gcc }}" | ||
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| ####################################################### | ||
| ############## GCC ARM64 Base ######################### |
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this can me berged with the GCC above with a matrix
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ggorman
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Add comprehensive ARM64 (linux/arm64) support for Devito's Docker images
and CI/CD pipeline, enabling deployment on AWS Graviton, Apple Silicon,
and other ARM64 platforms.
Architecture & Build Strategy:
- Native ARM64 builds on GitHub's free ubuntu-24.04-arm runners
- Separate runners for each architecture (no cross-compilation)
- x86_64 builds on ubuntu-22.04 (pinned to avoid ubuntu-latest migration)
- Multi-platform Docker image support with proper manifest lists
Workflow Improvements:
- Refactor docker-bases.yml to use matrix strategy for GCC builds
- Consolidate x86_64 and ARM64 base image builds into single job
- Remove QEMU setup (not needed for native builds)
- Add arm64 workflow dispatch input parameter
- Conditional execution based on input flags to run only requested builds
- ARM64 GCC limited to default version (building from source too slow)
CI Test Coverage:
- Add ARM64 test configurations to pytest-core-nompi.yml:
- pytest-ubuntu-py312-gcc14-omp-arm64
- pytest-ubuntu-py311-gcc13-omp-arm64
- Add ARM64 MPI tests to pytest-core-mpi.yml (gcc-arm64)
- Add ARM64 smoke test to docker-devito.yml
- Pin x86_64 tests to ubuntu-22.04 for stability
Bug Fixes:
- Fix OpenMPI parallel build: change ${nproc} to $(nproc) in Dockerfile.cpu
(reduces build time from ~15-20 mins to ~5-8 mins)
- Add actionlint.yaml config for self-hosted runner label validation
Documentation:
- Add ARM64 section to docker/README.md
- Document supported ARM64 platforms (AWS Graviton, Apple Silicon, etc.)
- Add usage examples for ARM64 images
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Replace rank-specific hardcoded assertions with ownership-based verification using _dist_datamap. The test now validates sparse point interpolation values based on actual point ownership rather than assuming a specific MPI topology, ensuring consistent results across different decompositions.
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Having a different image for ARM doesn't make sense, it should be a single cpu image with multiple platform support. You can have a look at the 
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Done in #2773 |
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Adds ARM64 (Graviton/Apple Silicon) support to Docker infrastructure:
Single ARM64 base image supports all Graviton variants (2/3/4) and Apple Silicon via runtime detection through Devito's JIT compiler.