Facilitating collaboration and information exchange in the high-performance computing community.

With the acquisition of Cray by HPE, CUG welcomes HPE Apollo customers to join
the organization and participate in the upcoming CUG 2022 conference.

CUG 2022 “Ecosystem of Discovery” May 2 – May 5

The National Energy Research Scientific Computing Centre (NERSC) is delighted to host CUG 2022 in Monterey, CA,  from 2 May to 5 May 2022. Our theme, “Ecosystem of Discovery”, highlights our mission of enabling science through high performance computing while also calling attention to one of the animals Monterey is most known for – the sea otter.

CUG 2021 Virtual Conference May 3 – May 5

The Cray User Group will be hosting the annual CUG conference virtually the first two weeks of May. BoFs, Tutorials and SIGs May 6 – 14. Featured will be a technical program with papers, presentations, BoFs, Q&As and more.  We look forward to helping you share your valuable insights and findings with the broader CUG community.

CUG 2020 “Sailing into the Future of HPC” Cancelled

CUG 2019 “Memory Bound, Je me souviens” May 5 – 9th

Shared Services Canada, Integrated HPC Management Directorate, invites you to join us for CUG 2019 in Montreal, Canada from 5 May to 9 May 2019.

“Memory Bound, Je me souviens” is the theme of CUG 2019, a play on words that embodies issues often faced with HPC workloads and combines it with the beautiful poetic and patriotic motto of the Province of Quebec, Canada.

CUG 2018 Visionary Computing May 20 – May 24th

The PDC Center for High Performance Computing at the KTH Royal Institute of Technology invites you to join us for CUG 2018 in Stockholm, Sweden from 20-24 May 2018.

“Visionary Computing” is the theme of CUG 2018. The many challenges in our field need visionary approaches to push our boundaries and our infrastructure enables visionary research. Sweden and the Stockholm region is the home of great and visionary minds such as Carl Linnaeus, Anders Celsius and Ander Jonas Ångström, to name a few…

Join Today

An Invitation

As an owner or user of a Cray computer system, you are already part of an elite computing community. It’s time to make the most of it. The Cray User Group invites you to become a member of the Cray User Group (CUG), and to discover the benefits of professional relationships with other Cray users around the world. Join us today and discover how collaboration among Cray users can lead to increased effectiveness, surprising solutions, and exciting innovations.

Click HERE to subscribe to the CUG announcement email list.


We assist our members in achieving their business and research objectives by providing opportunities to share and discover ideas, solutions, and developments in the effective use of computational tools.