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.

NSF NAIRR Hackathon Readiness Virtual Bootcamp

May 21, 2025

Application deadline: May 25, 2025. Register Here The OpenACC Organization is offering a series of Open Hackathons with NSF NAIRR resource partners to support the NSF National Artificial Intelligence Research Resource (NAIRR) Pilot projects. To help prepare researchers to apply to the Open Hackathons, we are co-hosting the NAIRR Hackathon Readiness Bootcamp on June 5, 2025. Held jointly with...

All NCAR HPC users are invited to join the May NHUG meeting!

May 20, 2025

The next NHUG meeting is scheduled for Tuesday, May 20th, 2025, at 1 PM MT, and we invite all NCAR HPC users to attend. This month’s agenda will include: • Upcoming opportunities and upcoming extended outage • Casper System Changes: DNS transition & swap space deactivation for HTC jobs • Asynchronous I/O and optimized data compression workflow for running weather models – Haying Xu To add this...

Reminder: Major HPC Maintenance Beginning June 2

May 19, 2025

As previously announced, CISL staff will be performing necessary facility maintenance at the NCAR-Wyoming Supercomputing Center (NWSC) beginning on June 2 to replace critical power and cooling systems which have reached their end service life. Because of the nature of this work, it will be necessary to shut down all Derecho compute nodes, the Quasar tape archive, and a portion of the Casper com...

Join a seminar about innovative ionospheric sensing techniques

May 15, 2025

On Wednesday, May 28, from 2:00 pm to 3:00 pm MT, NSF NCAR’s High Altitude Observatory (HAO) will host a seminar entitled "Ionospheric Sensing Using High-Rate GNSS Reflectometry and Occultation Measurements from Low Earth Orbit." The speaker will be Dr. Yang Wang, a visiting faculty member in the Ann and H. J. Smead Aerospace Engineering Sciences Department at the University of Colorado Boulder...

5/14/25 - Upcoming Casper Changes: DNS and Job Swap Space

May 15, 2025

Two user-visible changes are planned for the Casper cluster in the coming month. The first change will be the removal of the deprecated casper.ucar.edu domain name for SSH login usage. The current recommended domain name for accessing Casper is casper.hpc.ucar.edu. The old address will be retired as early as May 21, so now is the time to switch to the casper.hpc.ucar.edu domain when using ssh/s...

Apply for Training Cohort—Use of HPC and CyberInfrastructure

May 9, 2025

Join CI Pathways (NSF award 2417789) to elevate your research with cutting-edge cyberinfrastructure tools! This cohort-based training program offers a guided approach to using CI with expert mentorship and peer learning. Participants will have opportunities to build relationships lasting beyond the CI Pathways program. Three Learning Pathways will be available: - Machine Learning & AI - Data ...