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Dear HDF Community, Nothing is more important than the need to protect the health and safety of those most vulnerable to COVID-19. The HDF Group is taking steps to minimize health risks to our teammates and their families, our clients, and our communities by closing our Champaign office and asking all employees to work remotely. As always, The HDF Group remains available for our user community. You can continue to reach the help desk at https://help.hdfgroup.org (registration required) or by email at help@hdfgroup.org. The community forum (https://forum.hdfgroup.org) is also an excellent source of assistance from both The HDF Group employees and the community. If you have any other questions, please do not hesitate to reach out to us through the above means. We...

March 16, 2020

On February 6, 2020, the members of the ECP ExaIO project, Elena Pourmal and Scot Breitenfeld (The HDF Group), Quincey Koziol (NERSC), and Suren Byna (LBNL), presented HDF5 Tutorial at the ECP Annual Meeting. We've posted the slide deck and Q&A for your convenience....

February 20, 2020

The HDF5 European workshop, co-organized with ESRF, and sponsored by OpenIO and Omnibond took place on September 17-18, 2019. This event covered the latest HDF5 developments, HDF5 use cases from science and industry, and HDF5 Applications and Tools. This post is an archive of the recorded presentations of this event. ...

September 27, 2019

Champaign, IL—Scot Breitenfeld, a 10-year employee of The HDF Group has been named co-chair of the CFD General Notation System (CGNS) Steering Committee. The CGNS provides a portable and extensible standard for the storage and retrieval of computational fluid dynamics (CFD) analysis data. The CGNS Steering Committee is responsible for the development, evolution, support, and promotion of the CGNS standard and its members include representatives from government and private industry. “The HDF Group prides itself in the domain-specific knowledge and expertise of its employees. Scot’s participation in the CGNS steering committee is a great example of the involvement of our employees in their respective fields,” said Elena Pourmal, Director of Technical Services and Operations. Scot started with The HDF Group in 2008 as...

September 12, 2019

Why do we use HDF5? We moved to HDF5 for our simulation data in 2016 from using our own proprietary file format. HDF5 had been on our radar for some time and we spent a couple of years investigating it and other file formats before deciding which we should switch to. HDF5 met all the criteria we had at the time. Amongst the criteria were: performance in speed and size, an accepted standard for scientific data, being open source, providing additional tools....

August 14, 2019
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