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- Created by Lori Cooper, last modified by Mike McGreevy on Nov 30, 2017
Parallel HDF5
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Are serial HDF5 and Parallel HDF5 in the same source code?
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Build Issues
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Testing ph5diff ... Expected result differs from actual result
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Can you run Parallel HDF5 and the thread-safe feature together? What about Parallel HDF5 and C++?
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Problems installing Parallel HDF5 on IBM Regatta (with AIX5)
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MPI ... failed: array services not available
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What if Parallel HDF5 tests fail with a ROMIO error: File locking failed in ADIOI_Set_lock ... ?
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How do you build HDF5 on BlueGene/L?
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OpenMPI Build Issues
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Testing ph5diff ... Expected result differs from actual result
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Closing my HDF5 file, I get a segfault with an error "MPI_FILE_SET_SIZE(76): Inconsistent arguments to collective routine"
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Collective Calling Requirements of Parallel HDF5
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Dataset gets filtered twice when creating filtered chunk dataset
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Does HDF5 support compression with parallel HDF5
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Does Parallel HDF5 support chunking?
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Does Parallel HDF5 support shared libraries?
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Does Parallel HDF5 support variable length datatypes?
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Error: "The MPI_Comm_free() function was called after MPI_FINALIZE was invoked"
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How can I read/write a dataset greater than 2GB?
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How do you set up HDF5 so only one MPI rank 0 process does I/O?
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How do you write data when one process doesn't have or need to write data?
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How do you write to a single file in parallel in which different processes write to separate datasets?
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How should you write attributes in Parallel HDF5?
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How to write and NOT to write compound datasets using F90 in Parallel HDF5
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How would you create separate files for each compute node in a cluster using HDF5?
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Is there a limit on the number of processes that can access a single HDF5 file at once?
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Performance Issues
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How to improve performance with Parallel HDF5
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GPFS Optimizations
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How to pass hints to MPI from HDF5
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Tuning HDF5 for Lustre File Systems
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Taming Parallel I/O Complexity with Auto-Tuning
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Hints to using Parallel HDF5
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What performance can you expect from Parallel HDF5?
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Performance: Parallel I/O with Chunking Storage
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Parameter-Space Scalability Study: hdf5-iotest on Summit (ORNL)
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How to improve performance with Parallel HDF5
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The parallel tests fail on a login node
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What do you need to run Parallel HDF5?
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What happens if a process crashes when writing data in parallel?
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What is the best way to write metadata for each process?
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Why must attributes be written collectively