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  1. Parallel HDF5 Information

    Information about Parallel HDF5 can be found here: Documentation Questions about Parallel HDF5 Source code releasedocs/INSTALLparallel file parallel
    HDF Knowledge BaseJan 23, 2020
  2. Collective Calling Requirements of Parallel HDF5

    See Collective Calling Requirements in Parallel HDF5 Applications for information on how Parallel HDF5 APIs should be called. hdf5 kbarticle parallel api faq
    HDF Knowledge BaseJan 22, 2020
  3. Are serial HDF5 and Parallel HDF5 in the same source code?

    Yes, serial HDF5 and Parallel HDF5 (PHDF5) are part of the same HDF5 source code. Parallel HDF5 is a configure option that you can specify to build HDF5 with: ./configure enableparallel HDF5 "knows" certain parallel compilers and will automatically enable Parallel HDF5 if one of those compilers is specified in the CC
    HDF Knowledge BaseDec 14, 2017
  4. Can you run Parallel HDF5 and the thread-safe feature together? What about Parallel HDF5 and C++?

    By default, you cannot build either Parallel HDF5 with C or Parallel HDF5 with the threadsafe feature. You will receive a configure error if you try either … .) If the build completes properly and the tests pass, then the installation should be okay. faq hdf5 kbarticle parallel
    HDF Knowledge BaseAug 24, 2017
  5. How to write and NOT to write compound datasets using F90 in Parallel HDF5

    Here are two examples of writing compound datatypes using F90 in Parallel HDF5: compoundpall.f90 … a compound dataset in parallel. hdf5 kbarticle parallel compounddatatypes howto
    HDF Knowledge BaseJul 10, 2019
  6. How to improve performance with Parallel HDF5

    Tuning parallel HDF5 for a specific application on a specific system requires playing with a lot of tunable parameters many of which are specific to certain … : faq hdf5 kbarticle parallel
    HDF Knowledge BaseDec 14, 2017
  7. What performance can you expect from Parallel HDF5?

    HDF5 cannot do better than MPI I/O on your system. Usually HDF5 parallel applications have little overhead over MPI I/O applications on the same system. If MPI I/O performs well, then you should expect good performance from Parallel HDF5. If you want to compare the performance of MPI I/O and Parallel HDF5 on your
    HDF Knowledge BaseJul 14, 2017
  8. Does HDF5 support compression with parallel HDF5?

    As of HDF5 1.6.3, you can read compressed data but cannot write in parallel. Why do we not support writing of compressed data in parallel? Compression uses … /free space in the file) when performing parallel I/O. faq hdf5 kbarticle parallel compression
    HDF Knowledge BaseNov 30, 2017
  9. How should you write attributes in Parallel HDF5?

    You must write attributes collectively in Parallel HDF5. faq hdf5 kbarticle parallel attributes
    HDF Knowledge BaseJul 13, 2017
  10. Hints to using Parallel HDF5

    faq hdf5 kbarticle parallel
    HDF Knowledge BaseJul 13, 2017