Parallel HDF5: Try fixing strict collective requirements of HDF5 >= 2.0 - #1862

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franzpoeschel wants to merge 36 commits into

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franzpoeschel:fix-parallel-hdf5

Commits on Jul 20, 2026

Flush structural info of resetDataset() to backend immediately
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b58d44a
Erase flushMeshes/ParticlesPath
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874e8e1
Move flushing from storeChunk to resetDataset
franzpoeschel
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a350eb0
Hmm, move CREATE_DATASET task back to storeChunk
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7fa990d
Fix attribute flushing logic
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3f1db50
flush mode helpers
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3f8aa71
Fix dirty handling
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724c098
Add TODO comment
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e6ca360
WIP Runtime verification of flush level
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50d0214
dont flush to IO handler yet in resetDataset
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fd97745
Revert "dont flush to IO handler yet in resetDataset"
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c30b278
Continue fixing and breaking things..
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426a8de
Fix API call after rebase
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9bf742f
Fix dirty handling filebased
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78ed217
TMP REVERT ME: deactivate span table tests
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3406ad9
TMP REVERT ME take out hanging parallel test
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931e9e9
Fix ranktable logic
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769965d
Take out the next hanging parallel test
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f94d882
Separate MPI tests by MPI barriers
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a572f33
Fix wrong MPI_COMM_WORLD
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3dd8d66
wip: debugging state
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665a3b1
deactivate malicious tests
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5eb80e5
Revert "deactivate malicious tests"
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300506f
Revert "wip: debugging state"
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99be82c
Revert "TMP REVERT ME take out hanging parallel test"
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f24fcdb
Revert some WIPs
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e6d81c7
Use an Attributable per Iteration for rankTable in filebased encoding
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8d72468
fix nompi builds
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a67f869
CI fixes
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257949e
Activate test again
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503e53a
Guard against any internal unsetDirty operation
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e248ab8
Span API: more precise written and error checks
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e1c2670
Revert the defer stuff
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000bee6
dont enforce flush upon reset dataset
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c06caf5
keep only the false branch
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cea11c9
docs
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bc00986