CISL Daily Bulletin

The Daily Bulletin delivers news about CISL’s high-performance computing environment, training opportunities, scheduled maintenance, and other events of interest to the user community. To get the Daily Bulletin by email, use this link to subscribe.

ISS 2026 Abstract Deadline is Now January 30th

January 22, 2026

The deadline is fast approaching to submit abstracts to the 2026 Improving Scientific Software Conference. The ISS Conference, hosted by the UCAR Software Engineering Assembly, will be held April 6-10, 2026 in Boulder, CO with the theme of Maintaining the Joy of Software Development. To give submitters a bit of extra time, we are extending the abstract submission deadline by one week to Friday ...

All HPC Resources Scheduled Outage: Tuesday, February 3rd

January 22, 2026

All HPC resources, including Derecho, Casper, and JupyterHub, will be unavailable on Tuesday, February 3rd from 6:00 AM – 6:00 PM MST. This downtime will facilitate power infrastructure work along with several software updates, including Bifrost (HPC network backbone) software updates, a PBS upgrade, and Casper image update. The storage systems, Campaign Storage and Destor (Derecho Scratch), ...

Find Teams or Mentor for 2026 NCAR / NOAA / NLR Open Hackathon

January 21, 2026

Are you interested in the hybrid 2026 NCAR / NOAA / NLR Open Hackathon May 5-7th? Are you a scientist or RSE looking for a team, an existing team looking for additional members, or would you like to mentor teams at the event? If so, please complete this form and indicate your interest in the event as either a potential team member, existing team planning to apply, or an enthusiastic mentor. T...

Upcoming SEA Tutorial and Discussion: Fortran Unit Testing and pFUnit

January 21, 2026

Join the UCAR Software Engineering Assembly (SEA) at 2 pm on February 12th for a tutorial and open discussion on unit testing Fortran code with pFUnit, a Fortran testing framework developed by NASA’s Goddard Space Flight Center for testing high-performance Fortran libraries. In this session, NSF NCAR software engineer Andy Stokely will highlight how pFUnit simplifies the process of writing test...

2026 International HPC Summer School Applications Open

January 20, 2026

Applications for the 2026 International HPC Summer School in Perth, Australia are now open. The program will be held July 12- July 17 2026 and school fees, travel, meals, plus lodging support is provided to all successful applicants. The summer school will familiarize the best students in computational sciences with major state-of-the-art aspects of HPC and Big Data Analytics for a variety of ...

Call for Presentations: Chameleon User Meeting 2026

January 16, 2026

Submit your proposals to present in Boulder, CO at NSF NCAR's Mesa Lab! The Sixth Chameleon User Meeting will be held Wednesday, April 15 to Thursday, April 16, at the Mesa Lab in Boulder. This year's theme is computer science research and education in Artificial Intelligence (AI) and Machine Learning (ML). Researchers and educators using Chameleon are invited to submit presentation proposa...