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docs: first conformance report and baseline (42b81d9, tank)
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467 of 697 files read identically to h5py 3.16 / HDF5 2.0, 123 our-error,
15 mismatch (2 an h5py big-endian VL bug), 92 libhdf5 cannot read; no
panics, hangs, crashes or OOM.

Co-Authored-By: Claude Opus 5.5 (1M context) <[email protected]>
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osobh
2026-09-25 22:06:00 -05:00
co-authored by Claude Opus 5.5
parent 945b13a1f1
commit 5c2f656fe7
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docs/known-issues.md
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@@ -57,6 +57,16 @@ After it, 448 read correctly and 23 differ. Of those 23:
byte-swapped in h5py, and h5dump agrees with us.
- The rest are object or attribute listing differences.
**Update 2026-09-25:** the sweep is now in the repo (`conformance/run.sh`,
corpora pinned by commit) and its current numbers are in `CONFORMANCE.md`,
regenerated nightly by `.gitea/workflows/conformance.yml`. The probe now
compares N-Bit floats as the values libhdf5 converts them to, so the N-Bit
files above count as identical. Its file list is defined by
`conformance/list_files.py` (697 files: netCDF classic files are left out,
and 11 HDF5 files the ad-hoc sweep missed are in). On 42b81d9: 467 identical,
123 our-error, 15 mismatch (2 are the h5py bug above), 92 that libhdf5 cannot
read, and no panics, hangs or crashes.
There were no panics, hangs or crashes before or after, including on all 147
CVE and fuzzer files. On some of those files, h5dump 1.14.6 and h5py/HDF5 2.0
segfault or abort.