HDF5 Library

VOLs and VFDs Post your questions regarding specific VFDs and VOLs as well as developing for the VFD and VOL layer here. C++ Users' Group This category is for discussing the use of C++ with HDF5. HDF5 Ancillary Tools Post here with questions relating to HDF5 ancillary tools. Library Development VFD SWMR VFD SWMR is designed to be a more flexible, more modular, better-performing replacement for the existing Single-Writer/Multiple Reader (SWMR) feature. Discussion, comments, questions, and suggestions are welcome here. HDFql Posts questions regarding HDFql here. h5py h5py is a Python wrapper of HDF5. It offers both a Pythonic high-level API and a low-level API which is more similar to the HDF5 C API.

Topic	Replies	Views	Activity
HDF5 Working Group meeting HDF5 Library The HDF5 Working Group meets weekly, on Thursdays at 10 am Central time. This meeting is for HDF5 library developers and anyone is welcome to attend. The purpose of this meeting is to discuss HDF5 library development. It…	5	421	November 15, 2024
What do you want to see in "HDF5 2.0"? HDF5 Library After HDF5 1.14.0 releases later this year, we’d like to make some more extensive changes to the library and API than we have in the past. HDF5 has been around for 25 years now and the API has not changed much. We’ve nev…	69	5629	May 12, 2025
Read Before Posting: Welcome to The HDF Forum HDF5 Library Welcome to The HDF Forum. This forum is maintained by The HDF Group, the developers and maintainers of HDF technologies. It is a community-driven forum first, and HDF Group staff will help find answers to questions on a …	1	950	March 14, 2023
About the HDF5 Library category HDF5 Library	0	1868	February 7, 2018
Can i Multithread reading over different datasets or different chunks of a dataset? HDF5 Library	16	94	June 17, 2025
How to build (properly) static (fortran and parllel enabled) HDF5 library HDF5 Library	11	43	June 17, 2025
Merging a 3D array on the second axis h5py	9	71	June 17, 2025
Allow other metadata hashes (crc32c) as an alternative to Bob Jenkins' lookup3 HDF5 Library	4	42	June 17, 2025
Reading dataset from h5 with low level API h5py	1	19	June 16, 2025
Improving efficiecy of VDS mappings with repeated source dataset/file names HDF5 Library	0	14	June 10, 2025
HDF5 CMake SZLIB path? HDF5 Library	14	1279	June 10, 2025
Issues with Importing Large Datasets in HDF5 - Need Help HDF5 Library	1	32	June 10, 2025
h5py read operation occasionally hangs when reading a bunch of files continually h5py	1	23	May 28, 2025
Using c++ 1.8 API but CommonFG->openGroup not defined HDF5 Library	7	55	May 16, 2025
When CVEs will be fixed HDF5 Library	1	44	May 7, 2025
Compile HDF5 Library in MultiThreadedDebug, doubts about libaec HDF5 Library	6	59	May 5, 2025
Optimize compression performance C++ Users' Group	2	47	May 2, 2025
RFC on extending VOL connector capability reporting HDF5 Library	1	37	April 30, 2025
Naming of HDF5 datatypes: looking for feedback Library Development	4	56	April 30, 2025
We've reached 700 stars! HDF5 Library	3	540	April 25, 2025
Hdf5 on Rust as a Cargo crate HDF5 Library	10	982	April 21, 2025
Missing libhdf5_fortran in 1.12.1 version HDF5 Library	1	38	April 19, 2025
Compile with Intel oneAPI 2024 - errors at CMake configuration HDF5 Library	10	105	April 18, 2025
Seeking guidance on C++ wrappers C++ Users' Group	4	57	April 11, 2025
Trouble linking and using HDF5 C++ API with Visual Studio 2022 (version 1.14.6) C++ Users' Group	2	65	April 10, 2025
Error when testing t_bigio with OpenMPI in "make check" HDF5 Library	2	1427	April 9, 2025
Improving Parallel I/O performance C++ Users' Group	4	60	April 9, 2025
How to find out which features were enabled when HDF5 was built? HDF5 Library	6	45	April 4, 2025
How to compile a self-contained static libhdf5.a with CMake? HDF5 Library	1	30	April 4, 2025
Undefined references when building GDAL with HDF5 with VCPKG C++ Users' Group	3	36	April 4, 2025

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HDF5 Library