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.

Registration is now open for ISS 2025 Conference

February 19, 2025

The Improving Scientific Software (ISS) Conference committee is pleased to announce that registration is now open for our 2025 Conference, taking place April 7-10 in Boulder, Colorado. ISS brings together software engineers, scientists, developers - any individuals with an interest in scientific software design - to share novel experiences and best practices, develop connections across division...

All NCAR HPC users are invited to join the February 19th NHUG meeting!

February 18, 2025

The next NHUG meeting is scheduled for Wednesday, February 19, 2025, at 11 AM MT, and we invite all NCAR HPC users to attend. In this month's meeting, Dr. John Schreck will introduce the CREDIT model and share his experience in scaling AI/ML applications on Derecho GPUs. Additionally, Dr. Brian Vanderwende will talk about upcoming software changes on Derecho and Casper and we will provide upd...

UCAR and NSF NCAR’s Duo login experience will change on February 28, 2025

February 13, 2025

In order to comply with upcoming Multi-Factor Authentication (MFA) requirements from Microsoft, UCAR and NSF NCAR are enhancing their MFA system to provide improved security. This may affect applications that you access through Secure Sign On (SSO) with your CIT user ID and password—including Advanced Research Computing (ARC) login, the help ticket portal, and Derecho and command-line logins. ...

Take the 2025 HPC User Survey!

February 12, 2025

Please share your feedback through CISL’s annual HPC User Survey! This survey is designed to gather feedback from users to improve services, infrastructure, and support. Through this survey, we aim to understand user satisfaction, identify areas for growth, and prioritize improvements to better meet the needs of our broad user community. Your input will help shape future HPC developments and...

Upcoming Software Changes on Derecho and Casper

February 10, 2025

CISL is planning to update the default environment module stack on both Derecho and Casper on February 25th. On Derecho, the default version will be incremented from ncarenv/23.09 to ncarenv/24.12 and on Casper it will be incremented from ncarenv/23.10 to ncarenv/24.12. These newer ncarenv versions are already available on both systems; users are encouraged to migrate and test workflows ahead o...

Join a seminar on Freva, the science gateway for the Earth system community

February 5, 2025

On Tuesday, February 18, from 1:00 to 2:00 pm MST, join Dr. Christopher Kadow of the German Client Computing Center (DKRZ) for a seminar entitled “Freva: the Science gateway for the Earth system community—from data to analysis to AI/ML.” Freva—the Free Evaluation System Framework for Earth system modeling—is a modern science gateway designed to streamline climate science research. By integrat...