HDF News

HSDS (Highly Scalable Data Service) is a REST-based service for reading and writing HDF data. Initially developed as a NASA Access 2015 project, the HDF Group has continued to invest in the project, and as we'll see, the latest version has a bevy of new and interesting features....

We are pleased to post this white paper from The HDF Group intern, Chen Wang. This paper looks at the steps of analyzing and tuning the HACC-IO benchmarks, the impact of different access patterns, stripe settings and HDF5 metadata. It also compares the five benchmarks on two different parallel file systems, Lustre and GPFS and shows that HDF5 with proper optimizations can catch up the pure MPI-IO implementations. An I/O Study of ECP Applications...

On Friday, July 31, The HDF Group employee Chen Wang presented a Study of HACC-IO Benchmarks. We wanted to share these presentations with our community. Slide Deck https://youtu.be/AkcOwg3qLZo   Additionally, Chen Wang also wrote the white paper, An I/O Study of ECP Applications....

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...