Add HDF5 2.2.0 container image and CI workflow - #166
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jeanbez
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Aug 12, 2026
Wave D item 18, minimal-scope variant. The five workflow files that
run the identical SYNC+ASYNC suite against different HDF5 versions
(1.14.0, 1.14.1, 2.0.0, 2.1.1, 2.2.0) collapse into a single matrix
workflow. The four older SYNC-only files (1.10.4, 1.10.7, 1.10.8,
1.12.0) stay as-is because their test set is a strict subset and
they don't run the ASYNC leg; collapsing them would require
conditional gates that make the matrix noisier than the win.
## New file
.github/workflows/h5bench-hdf5-matrix.yml
- strategy.fail-fast: false so one bad version does not cancel
the others
- strategy.matrix.hdf5_version: [1.14.0, 1.14.1, 2.0.0, 2.1.1, 2.2.0]
- container.image: hpcio/hdf5-${{ matrix.hdf5_version }}
- job name: "h5bench (HDF5 ${{ matrix.hdf5_version }})" so each
matrix leg reports as e.g. "h5bench (HDF5 2.0.0)", matching the
old per-version workflow's job name as closely as possible.
## Deleted
.github/workflows/h5bench-hdf5-1.14.0.yml
.github/workflows/h5bench-hdf5-1.14.1.yml
.github/workflows/h5bench-hdf5-2.0.0.yml
.github/workflows/h5bench-hdf5-2.1.1.yml
## Branch protection
Required-check names WILL shift. The old checks appeared as
"h5bench (HDF5 X.X.X) / h5bench"; the new ones appear as
"h5bench / h5bench (HDF5 X.X.X)". Any required-check rules on
develop/master that name the old paths must be updated before
this merges, or the required checks will hang.
## Coordination with #166 (2.2.0)
If #166 lands first, its h5bench-hdf5-2.2.0.yml must be deleted on
rebase of this PR (it is redundant with the matrix leg). If this PR
lands first, #166 should drop the per-version file and just push the
image.
Mirrors the 2.0.0 and 2.1.1 setups. New ubuntu-24.04-hdf5-2.2.0
Dockerfile based on Ubuntu 24.04, building HDF5 2.2.0 from the GitHub
release tarball with the same parallel + threadsafe +
allow-unsupported flags. New h5bench-hdf5-2.2.0.yml workflow consumes
hpcio/hdf5-2.2.0 and runs the same SYNC + ASYNC suite as 2.0.0 and
2.1.1.
The image needs to be built and pushed to hpcio/hdf5-2.2.0 before the
workflow can go green:
docker buildx build --platform linux/amd64 \\
-t hpcio/hdf5-2.2.0 docker/ubuntu-24.04-hdf5-2.2.0 --push
jeanbez
marked this pull request as ready for review
August 22, 2026 00:03
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Adds a HDF5 2.2.0 image and matching CI job, mirroring the 2.0.0 and 2.1.1 setups.
Summary
Prerequisite
The image must be built and pushed to `hpcio/hdf5-2.2.0` for the workflow to pass. Build for linux/amd64 explicitly if pushing from an Apple Silicon Mac:
```
docker buildx build --platform linux/amd64 \
-t hpcio/hdf5-2.2.0 docker/ubuntu-24.04-hdf5-2.2.0 --push
```
Test plan