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Test cases with 0-sized reads & writes #135

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C0nsultant opened this issue Apr 17, 2018 · 2 comments
Open

Test cases with 0-sized reads & writes #135

C0nsultant opened this issue Apr 17, 2018 · 2 comments
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backend: ADIOS1 backend: HDF5 MPI tests

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@C0nsultant
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To verify the desired parallel behaviour, we should add tests where multiple participants from an MPI-communicator contribute 0-sized chunks to a collective IO operation.

A minimal example would consist of 3 ranks with multiple tested combinations of empty/non-empty chunks.
@ax3l
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ax3l commented Apr 23, 2018 •
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In case storeChunk/loadChunk are (not) always collective: a test where the zero-writers do/do not participate should also be added.

(I fear this is probably backed-dependent...)

This was referenced Aug 16, 2018
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ax3l commented Aug 27, 2018

To do: read-back written data in tests #309 (comment)

@C0nsultant C0nsultant self-assigned this Aug 28, 2018
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