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.

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...

Register for the 2025 Space Weather Workshop in March!

February 5, 2025

The 2025 Space Weather Workshop brings together Federal agencies, the academic community, the private sector, and international partners to focus on the diverse impacts of space weather, on forecasting techniques, and on recent scientific advances in understanding and predicting conditions in the space environment This meeting will be held in person along with a virtual component, March 17 to ...

New JupyterHub Kernels Available

February 5, 2025

New versions of data analysis language kernels are now available on our HPC JupyterHub service, including NPL 2025a (Python), R 4.4, Julia 1.11.2, IDL 9.1.0, and Matlab R2024b. The libraries included in the NPL and R environments also provide the latest compatible package versions as determined by the Conda package manager. Because we are using newer language versions in these environments (3.1...

HPC System Maintenance - February 11-12

January 29, 2025

Derecho, Casper, JupyterHub and the /glade/derecho/scratch file system will be unavailable Tuesday-Wednesday February 11-12. The primary objective for this outage is to apply necessary software updates to Destor, the storage subsystem serving /glade/derecho/scratch. This maintenance requires disconnecting compute clients as well. During the entirety of the outage compute nodes will be down ...

Register for Feb. 6 info session: 2025 Argonne Training Program on Extreme-Scale Computing (ATPESC)

January 27, 2025

Doctoral students, postdocs, and early career scientists interested in conducting computational science and engineering research on large-scale computers are invited to apply for the 13th annual ATPESC program. ATPESC provides intensive, two-week training on the key skills, approaches, and tools to design, implement, and execute computational science and engineering applications on current hig...